IcomメーカーIC-7700の使用説明書/サービス説明書
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HF/50 MHz TRANSCEIVER i7700 Instruction Manual A-6612H-1EX Printed in Japan © 2007 Icom Inc..
i FOREWORD Thank you for making the IC-7700 your radio of choice. We hope you agree with Icom’s philosophy of “technology first.” Many hours of research and development went into the design of your IC-7700.
ii PRECAUTIONS R W ARNING HIGH RF VOL T AGE! NEVER attach an antenna or internal antenna connector during transmission. This may result in an electrical shock or burn. R W ARNING! NEVER operate the transceiver with a headset or other audio accessories at high vol- ume levels.
q AC power cable* ………………………………… 1 w Feet …………………………………………… 1 pair e Spare fuse (FGB 2 A) …………………………… 1 r RCA plugs ….
iv Section 1 P ANEL DESCRIPTION ■ Front panel ……………………………………………………………… 1-2 ■ Rear panel …………………………………………………….
■ Meter indication selection …………………………………………… 3-10 D Multi-function digital meter ………………………………………… 3-10 D Meter type selection ….
vi ■ Repeater operation …………………………………………………… 4-32 D Repeater tone frequency setting …………………………………4-33 ■ T one squelch operation .
Section 7 VOICE RECORDER FUNCTIONS ■ About digital voice recorder …………………………………………… 7-2 ■ Recording a received audio ……………………………………….
viii ■ Setting select memory channels ……………………………………… 9-7 D Setting in scan screen ……………………………………………… 9-7 D Setting in memory list s.
■ Fuse replacement …………………………………………………… 13-7 ■ Resetting the CPU …………………………………………………… 13-7 ■ About protection indi.
1-1 P ANEL DESCRIPTION Section 1 ■ Front panel ……………………………………………………………… 1-2 ■ Rear panel ………………………………………………….
1-2 q POWER SWITCH (p. 3-2) ➥ Push to turn the transceiver power ON. • The [POWER] indicator above this switch lights green when powered ON. ➥ Push and hold for 1 sec. to turn the transceiver power OFF . • The [POWER] indicator lights orange when the trans- ceiver is OFF when the internal power supply is switched ON.
1-3 u MICROPHONE CONNECTOR [MIC] Accepts an optional microphone. • See p. 15-4 for appropriate microphones. • See p. 2-10 for microphone connector information. i MIC GAIN CONTROL [MIC] (p. 3-12) Adjusts microphone input gain. • The transmit audio tone in SSB, AM and FM modes can be adjusted independently in set mode.
1-4 !7 NOISE REDUCTION LEVEL CONTROL [NR] (inner control; p. 5-17) Adjusts the DSP noise reduction level when the noise reduction function is in use. Set for maximum readability . •T o use this control, push . !8 NOISE BLANKER CONTROL [NB] (outer control; p.
1-5 @3 RF GAIN CONTROL [RF] (outer control; p. 3-9) Adjusts the RF gain level. While rotating the RF gain control, you may hear noise. This comes from the DSP unit and does not indicate a malfunction. @4 NOISE BLANKER SWITCH (p. 5-16) ➥ Switches the noise blanker ON and OFF when pushed.
1-6 #3 MUL TI-FUNCTION SWITCHES Push to select the functions indicated in the LCD display to the right of these switches. • Functions vary depending on the operating condition. MF1 (MUL TI-FUNCTION 1 SWITCH) ➥ Selects the antenna connector from ANT1, ANT2, ANT3 and ANT4 when pushed.
1-7 MF5 (MUL TI-FUNCTION 5 SWITCH) ➥ Activates and selects fast, mid-range or slow AGC time constant when pushed. (p. 5-1 1) • In FM mode, only “F AST” is available. ➥ Enters the AGC set mode when pushed and held for 1 sec. (p. 5-1 1) AGC time constant can be set between 0.
1-8 $3 MODE SWITCHES Selects the desired mode. (p. 3-8) • Announces selected mode via the speech synthesizer . (p. 12-15) Selects USB and LSB modes alter- nately . Selects CW and CW-R (CW reverse) modes alternately . ➥ Switches between RTTY and PSK mode.
1-9 $7 MEMO P AD-WRITE SWITCH (p. 8-7) Programs the displayed readout frequency and op- erating mode into a memo pad. • The 5 most recent entries remain in memo pads. • The memo pad capacity can be expanded from 5 to 10 in set mode. (p. 12-15) $8 MEMO P AD-READ SWITCH (p.
1-10 ^1 P ASSBAND TUNING CONTROLS [TWIN-PBT] (p. 5-12) Adjusts the receiver ’s IF filter “passband width” via the DSP . • Passband width and shift frequency are displayed in the multi-function display . • Push and hold for 1 sec. to clear the PBT settings.
1-11 ^5 MANUAL NOTCH FIL TER CONTROL [NOTCH] (outer control; p. 5-18) V aries the “valley” frequency of the manual notch fil- ter to reject an interfering signal while the manual notch function is ON. • Notch filter center frequency: SSB : –1060 Hz to 4040 Hz CW : CW pitch freq.
q ANTENNA CONNECTOR 1 [ANT 1] (p. 2-5) w ANTENNA CONNECTOR 2 [ANT 2] (p. 2-5) e ANTENNA CONNECTOR 3 [ANT 3] (p. 2-5) r ANTENNA CONNECTOR 4 [ANT 4] (p. 2-5) Accept a 50 Ω antenna with a PL-259 plug connec- tor . t GROUND TERMINAL [GND] (p. 2-4) Connect this terminal to a ground to prevent electri- cal shocks, TVI, BCI and other problems.
1-13 !5 S/P DIF INPUT TERMINAL [S/P DIF– IN] (p. 2-7) !6 S/P DIF OUTPUT TERMINAL [S/P DIF– OUT] (p. 2-7) Connects external equipment that supports S/P DIF input/output. !7 ALC LEVEL ADJUSTMENT POT [ALC ADJ] Adjusts the ALC levels. No adjustment is required when the ALC output level of a connected non-Icom linear amplifier is 0 to –4 V a DC.
q S/RF METER (pgs. 3-10, 3-1 1) Shows the signal strength while receiving. Shows the relative output power , SWR, ALC or compres- sion levels while transmitting. •A total of 3 meter types are available. w SHIFT FREQUENCY INDICA TOR (p. 5-12) Shows the shift frequency of the IF filter .
1-15 1 P ANEL DESCRIPTION i APF/TPF INDICA TOR ➥ “” appears when the audio peak filter func- tion is in use. This function is available in CW mode. (p. 4-6) ➥ “” appears when the twin peak filter function is in use. This function is available in R TTY mode.
1-16 1 P ANEL DESCRIPTION The following screens can be selected from the start up screen. Choose the desired screen using the fol- lowing chart. Pushing several times returns to the start up screen. See p. 12-3 for set mode arrangement. EXIT/SET • Spectrum scope screen (p.
2-1 INST ALLA TION AND CONNECTIONS Section 2 ■ Unpacking ……………………………………………………………… 2-2 ■ Main dial attachment ………………………………….
2-2 ■ Unpacking After unpacking, immediately report any damage to the delivering carrier or dealer . Keep the shipping cartons. For a description and a diagram of accessory equip- ment included with the IC-7700, see ‘Supplied acces- sories’ on p.
2-3 2 INST ALLA TION AND CONNECTIONS ■ Rack mounting handle detachment The rack mounting handles are supplied attached to the transceiver to stabilize the transceiver in the shock absorber material in the box. If you want to remove them, use the supplied screws as described below .
2-4 2 INST ALLA TION AND CONNECTIONS ■ Grounding To prevent electrical shock, television interference (TVI), broadcast interference (BCI) and other prob- lems, ground the transceiver through the GROUND terminal on the rear panel. For best results, connect a heavy gauge wire or strap to a long earth-sunk copper rod.
2-5 2 INST ALLA TION AND CONNECTIONS ■ Required connections D D Front panel POWER TUNER TIMER VOX SSB CW RTTY/PS VOX GAIN MONI GAIN COMP DRIVE BK-IN MONITOR TRANSMIT MIC ELEC-KEY PHONES AF RF MIC RF PWR KEY SPEED DELAY F-1 F-2 F-3 TX RX AGC VR NR NB i7700 HF/50MHz TRANSCEIVER AGC SQL NR NB Microphones (p.
2-6 2 INST ALLA TION AND CONNECTIONS ■ Advanced connections D D Front panel ALC ADJ ALC RELAY CW KEY EXT KEYPAD M ETER DC OUT 15V MAX1A REF I/O 10 MHz - 1 0dBm IN OU T R EMOTE RS - 232C EXT - DISPLA.
2-7 2 INST ALLA TION AND CONNECTIONS D D Rear panel— 2 ALC ADJ ALC RELAY CW KEY EXT KEYPAD M ETER DC OUT 15V MAX1A REF I/O 10 MHz - 1 0dBm IN OU T R EMOTE RS - 232C EXT - DISPL AY RX AN T IN OUT S/P.
D D Connecting a non-Icom linear amplifier R W ARNING: Set the transceiver output power and linear ampli- fier ALC output level after referring to the linear am- plifier instruction manual. The ALC input level must be in the range 0 V to –4 V . The transceiver does not accept positive volt- age.
2-9 2 INST ALLA TION AND CONNECTIONS ■ T ransverter jack information When 2 to 13.8 V is applied to pin 6 of [ACC 2], the [X- VERTER] connector is activated for transverter oper- ation and the antenna connectors do not receive or transmit any signals.
■ Microphone connector information (Front panel view) CAUTION: DO NOT short pin 2 to ground as this can damage the internal 8 V regulator . NOTE: DC voltage is applied to pin 1 for micro- phone operation. Use caution when using a non- Icom microphone.
2-11 2 INST ALLA TION AND CONNECTIONS ■ Accessory connector information ACC 2 PIN No. NAME DESCRIPTION SPECIFICA TIONS ACC 1 PIN No. NAME DESCRIPTION SPECIFICA TIONS NOTE: If the CW side tone level .
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3-1 BASIC OPERA TIONS Section 3 ■ When first applying power (CPU resetting) ………………………… 3-2 ■ Initial settings ………………………………………………………….
3-2 ■ When first applying power (CPU resetting) Before first applying power , make sure all connections required for your system are complete by referring to Section 2.
■ VFO selection VFO is an abbreviation of V ariable Frequency Oscilla- tor , and is commonly referred to as a main tuning func- tion. The main dial is often called the “VFO knob.” D D Selecting VFO-A/VFO-B ➥ In VFO mode, push to toggle VFO-A and VFO-B.
3-4 ■ Selecting an operating band The triple band stacking register provides 3 memories for each band key , storing frequency and mode infor- mation. This function is convenient when you operate 3 modes on one band. For example, one register is used for a CW frequency , another for an SSB frequency and the other one for an RTTY frequency .
3-5 ■ Frequency setting The transceiver has several tuning methods for conve- nient frequency tuning. D D T uning with the main dial q Push the desired band key on the keypad 1–3 times. •3 different frequencies can be selected on each band with the band key .
3-6 D D Quick tuning step The operating frequency can be changed in larger steps (0.1, 1, 5, 9, 10, 12.5, 20 or 25 kHz selectable) for quick tuning. q Push [TS] to turn the quick tuning function ON. •“ Z ” appears when the quick tuning function is ON.
3-7 D D Selecting 1 Hz step A minimum tuning step of 1 Hz can be used for fine tuning. q Push [TS] to turn the quick tuning function OFF . w Push and hold [TS] for 1 sec. to turn the 1 Hz tuning step ON and OFF . 3 BASIC OPERA TIONS D D Band edge warning beep When you tune outside of an amateur band’s frequency range, a warning beep sounds.
3-8 ■ Operating mode selection SSB (USB/LSB), SSB data (USB data/LSB data), CW , CW reverse (CW-R), R TTY , RTTY reverse (RTTY -R), PSK, PSK reverse (PSK-R), AM, AM data, FM and FM data modes are available in the IC-7700. Select the desired operation mode as follows.
3-9 ■ V olume setting ➥ Rotate [AF] control clockwise to increase, counter- clockwise to decrease the audio output level. • Set a suitable audio level. 3 BASIC OPERA TIONS ■ RF gain adjustment ➥ Rotate [RF] control clockwise to increase, counter- clockwise to decrease the receiver sensitivity .
D D Multi-function digital meter The IC-7700 can display the multi-function digital meter on the LCD display . This meter displays all transmit parameters simultaneously . q Push and hold [METER] for 1 sec. to turn the multi- function digital meter ON.
3-11 D D Meter type selection A total of 3 meter types are available in the IC-7700— Standard, Edgewise and Bar meters. Follow the instructions below for the meter type selec- tion. q Push several times to return to normal screen, if necessary . w Push [F-7•SET], then push [F-3•DISP] to select dis- play set mode.
3-12 ■ Basic transmit operation 3 BASIC OPERA TIONS D D Microphone gain adjustment Before transmitting, monitor your selected operating frequency to make sure transmitting won’t cause inter- ference to other stations on the same frequency . q Push [METER] (MF2) to select the ALC meter .
3-13 D D Drive gain adjustment The drive gain is active for all modes other than SSB mode with speech compressor OFF . The [DRIVE] con- trol adjusts the amplifying gain at the driver stage. Before transmitting, monitor your selected operating frequency to make sure transmitting won’t cause inter- ference to other stations on the same frequency .
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4-1 RECEIVE AND TRANSMIT Section 4 ■ Operating SSB ………………………………………………………… 4-2 D Convenient functions for receive ………………………………….
4-2 ■ Operating SSB q Push a band key to select the desired band. w Push to select LSB or USB. • “USB” or “LSB” appears. • Below 10 MHz LSB is automatically selected; above 10 MHz USB is automatically selected. e Rotate the main dial to tune a desired signal.
D D About 5 MHz band operation (USA version only) Operation on the 5 MHz band is allowed on 5 discrete frequencies and must adhere to the following: • USB mode • Maximum of 50 watts ERP (Effective Radiated Power) • 2.
4-4 ■ Operating CW q Push a band key to select the desired band. w Push to select CW . • After CW mode is selected, push to toggle be- tween CW and CW-R modes. • “CW” or “CW-R” appears. e Rotate the main dial to tune a desired signal. •T ry to match the specified signal’s tone to the side tone frequency .
4-5 D D About CW reverse mode CW-R (CW Reverse) mode uses the opposite side band to receive CW signals. Use when interfering signals are near a desired signal and you want to use CW-R to reduce the interference. ➥ During CW mode, push to select CW and CW-R mode.
4-6 D D APF (Audio Peak Filter) operation The APF changes the audio frequency response by boosting a particular frequency to enhance a desired CW signal. The peak frequency can be adjusted with [DIGI-SEL] control when “APF” is selected for “DIGI-SEL VR Op- eration” in Others set mode (p.
4-7 ■ Electronic keyer functions The IC-7700 has a number of convenient functions for the built-in electronic keyer . q During CW mode, push several times to normal screen, if necessary . w Push [F-3•KEYER] to select memory keyer screen. e Push to select memory keyer menu screen.
4-8 D D Memory keyer screen Pre-set characters can be sent using the keyer send menu. Contents of the memory keyer are set using the edit menu. •T ransmitting q During CW mode operation, push [F-3•KEYER] to select memory keyer screen. w Push to set the transceiver to transmit, or set the break-in function ON (p.
4-9 D D Editing a memory keyer The contents of the memory keyer memories can be set using the memory keyer edit menu. The memory keyer can memorize and re-transmit 4 CW key codes for often-used CW sentences, contest serial numbers, etc. T otal capacity of the memory keyer is 70 charac- ters per memory channel.
4-10 D D Contest number set mode This menu is used to set the contest (serial) number and count-up trigger , etc. • Setting contents q During CW mode operation, push [F-3•KEYER] to select memory keyer screen. w Push to select memory keyer menu, then push [F-3•001] to select contest serial number set mode.
4-11 D D Keyer set mode This set mode is used to set the memory keyer repeat time, dash weight, paddle specifications, keyer type, etc. • Setting contents q During CW mode operation, push [F-3•KEYER] to select memory keyer screen. w Push to select memory keyer menu, then push [F-4•CW KEY] to select keyer set mode.
4-12 D D Keyer set mode (continued) 4 RECEIVE AND TRANSMIT This item sets the paddle polarity . • Normal and reverse polarity can be selected. This item selects the keyer type for [ELEC-KEY] con- nector on the front panel. • ELEC-KEY , BUG-KEY and Straight key can be se- lected.
4-13 ■ Operating RTTY (FSK) AD SP-based high-quality Baudot RTTY encoder/de- coder is built-in to the IC-7700. When connecting a PC keyboard (p. 2-6), RTTY operation can be performed without an external RTTY terminal, TNC or PC. If you would rather use your RTTY terminal or TNC, consult the manual that comes with the RTTY terminal or TNC.
4-14 D D About RTTY reverse mode Received characters are occasionally garbled when the received signal has Mark and Space tones re- versed. This reversal can be caused by incorrect TNC connections, setting, commands, etc. T o receive re- versed RTTY signals correctly , select RTTY -R mode.
4-15 D D Functions for the RTTY decoder indication q Push a band key to select the desired band. w Push to select RTTY . • After RTTY mode is selected, push and hold for 1 sec. to toggle between RTTY and R TTY -R modes. •“ R TTY” or “RTTY -R” appears.
4-16 D D RTTY memory transmission Pre-set characters can be sent using the R TTY mem- ory . Contents of the memory are set using the edit menu. q During RTTY mode operation, push [F-3•DECODE] to select RTTY decode screen. w Push [F-4•TX MEM] to select RTTY memory screen.
4-17 D D Editing RTTY memory The contents of the RTTY memories can be set using the memory edit menu. The memory can store and re- transmit 8 RTTY message for often-used RTTY infor- mation. T otal capacity of the memory is 70 characters per memory channel.
4-18 D D RTTY decode set mode This set mode is used to set the decode USOS func- tion, time stamp setting, etc. • Setting contents q During RTTY mode operation, push [F-3•DECODE] to select RTTY decode screen. w Push [F-1•<MENU1>] to select the second RTTY decode menu, then push [F-6•SET] to select RTTY decode set mode.
4-19 D D RTTY decode set mode (continued) 4 RECEIVE AND TRANSMIT Explicitly inserts the FIGS character even though it is not required by the receiving station. •O N: Inserts FIGS. • OFF : Does not insert FIGS. RTTY TX USOS ON T urn the time stamp (date, transmission or reception time) indication ON and OFF .
4-20 D D Data saving The contents of the RTTY memory and received sig- nal can be saved into the USB-Memory . q During RTTY decode screen indication, push [F-1•<MENU1>] to select the RTTY decode second menu. w Push [F-5•SA VE] to select decode file save screen.
4-21 ■ Operating PSK A high-quality DSP-based PSK31 encoder/decoder is built-in to the IC-7700. When connecting a PC key- board (p. 2-6), PSK31 operation can be performed without PSK software installed on your PC. If desired, you can also use your PSK software; con- sult the manual that comes with the software.
4-22 D D About BPSK and QPSK modes BPSK and QPSK modes are available for PSK31. • BPSK (Binary Phase Shift Keying) mode is the most commonly used mode. • QPSK (Quadrature Phase Shift Keying) mode has error correction capability to provide better decoding than BPSK mode in marginal condition.
4-23 D D Functions for the PSK decoder indication q Push a band key to select the desired band. w Push to select PSK. • After PSK mode is selected, push and hold for 1 sec. to toggle between PSK and PSK-R modes. • “PSK” or “PSK-R” appears.
4-24 D D PSK memory transmission Pre-set characters can be sent using the PSK memo- ry . Contents of the memory are set using the edit menu. q During PSK mode operation, push [F-3•DECODE] to select PSK decode screen. w Push [F-4•TX MEM] to select PSK memory screen.
4-25 D D Editing PSK memory The contents of the PSK memories can be set using the memory edit menu. The memory can store 8 PSK messages for often-used PSK information. T otal capacity of the memory is 70 characters per memory channel. • Programming contents q During PSK mode operation, push [F-3•DECODE] to select PSK decode screen.
4-26 D D PSK decode set mode This set mode is used to set the decode USOS func- tion, time stamp setting, etc. • Setting contents q During PSK mode operation, push [F-3•DECODE] to select PSK decode screen. w Push [F-1•<MENU1>] to select PSK decode second menu, then push [F-6•SET] to select PSK decode set mode.
4-27 D D PSK decode set mode (continued) 4 RECEIVE AND TRANSMIT Selects the operating frequency display for time stamp usage. NOTE: The frequency won’t be displayed when “OFF” is selected in “PSK T ime Stamp” as below left. •O N: Displays the operating frequency .
4-28 D D Data saving The contents of the PSK memory and received signal can be saved into the USB-Memory . q During PSK decode screen indication, push [F-1•<MENU1>] to select PSK decode second menu. w Push [F-5•SA VE] to select decode file save screen.
4-29 ■ Operating AM q Push a band key to select the desired band. w Push to select AM. • “AM” indicator appears. • After AM mode is selected, push to toggle be- tween AM and FM modes. e Rotate the main dial to tune to the desired fre- quency .
4-30 4 RECEIVE AND TRANSMIT • VOX (voice operated transmit) (p. 6-2) ➥ Push to turn the VOX function ON and OFF . •“ ” appears when the VOX function is ON. •T ransmit quality monitor (p. 6-4) ➥ Push to turn the monitor function ON and OFF .
4-31 ■ Operating FM q Push a band key to select the desired band. w Push to select FM. • “FM” indicator appears. • After FM mode is selected, push to toggle be- tween FM and AM modes. e Rotate the main dial to tune to the desired fre- quency .
4-32 ■ Repeater operation A repeater amplifies received signals and retransmits them at a different frequency . When using a repeater , the transmit frequency is shifted from the receive fre- quency by an offset frequency .
4-33 4 RECEIVE AND TRANSMIT D D Repeater tone frequency setting Some repeaters require subaudible tones to be ac- cessed. Subaudible tones are superimposed on your normal signal and must be set in advance. The trans- ceiver has 50 tones from 67.0 Hz to 254.
4-34 ■ T one squelch operation The tone squelch opens only when receiving a signal containing a matching subaudible tone. Y ou can silently wait for calls from group members using the same tone. q Set the desired frequency band and select FM mode. w Push [TONE] to turn the tone squelch function ON.
4-35 4 RECEIVE AND TRANSMIT ■ Data mode (AFSK) operation When operating AMTOR or P ACKET with your TNC and/or PC software, consult the manual that comes with the TNC and/or the software. q Connect a PC and TNC to the transceiver . (p. 2-9) w Push a band key to select the desired band.
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5-1 FUNCTIONS FOR RECEIVE Section 5 ■ Spectrum scope screen ……………………………………………… 5-2 D Center mode ……………………………………………………….
5-2 ■ Spectrum scope screen This DSP-based spectrum scope allows you to display the conditions on the selected band, as well as relative strengths of signals. The IC-7700 has two modes for the spectrum indication— one is center mode, and an- ther one is fixed mode.
5-3 D D Fixed mode Displays signals within the specified frequency range. The selected frequency band conditions can be ob- served at a glance when using this mode. q Push several times to close a multi-func- tion screen, if necessary . w Push [F-1•SCOPE] to select the scope screen.
5-4 D D Mini scope screen indication The mini scope screen can be displayed with another screen display , such as set mode menu, decode screen, memory list screen, etc. simultaneously . q Set the scope mode (center or fixed), marker , at- tenuator , span, etc.
5-5 D D Scope set mode (continued) 5 FUNCTIONS FOR RECEIVE T urn the transmitting signal waveform indication ON and OFF . NOTE: The transmitting signal waveform indica- tion is available for the center mode only . Scope during Tx (CENTER Type) ON T urn the peak level holding function ON and OFF .
5-6 D D Scope set mode (continued) 5 FUNCTIONS FOR RECEIVE Select the sweep speed for the ±50 kHz span selec- tion from SLOW , MID and F AST . ( ± 50k) FAST Select the sweep speed for the ± 100 kHz span selec- tion from SLOW , MID and F AST . ( ± 100k) FAST Select the sweep speed for the ±250 kHz span selec- tion from SLOW , MID and F AST .
5-7 D D Scope set mode (continued) 5 FUNCTIONS FOR RECEIVE Set the scope edge frequencies for fixed mode scope when the 8 to 1 1 MHz band is selected. • Set the frequencies within 8.
5-8 D D Scope set mode (continued) 5 FUNCTIONS FOR RECEIVE Set the scope edge frequencies for fixed mode scope when the 30 to 45 MHz band is selected. • Set the frequencies within 30.
5-9 ■ Preamplifier The preamp amplifies received signals in the receiver front end, to improve the S/N ratio and sensitivity . Set this to preamp 1 or preamp 2 when receiving weak sig- nals. ➥ Push [P .AMP] (MF3) several times to set the preamp OFF , preamp 1 ON or preamp 2 ON.
5-10 ■ RIT function The RIT (Receive Increment T uning) function com- pensates for off-frequency operation of the received station. The function shifts the receive frequency up to ±9.99 kHz in 10 Hz steps without moving the transmit frequency . q Push to turn the RIT function ON and OFF .
5-11 ■ AGC function The AGC (auto gain control) controls receiver gain to produce a constant audio output level even when the received signal strength varies greatly . The transceiver has 3 preset AGC characteristics (time constant: fast, mid, slow) for non-FM mode.
5-12 ■ T win PBT operation PBT (Passband T uning) electronically narrows the IF passband width by shifting the IF frequency slightly outside of the IF filter passband to reject interference. The IC-7700 uses DSP for the PBT function. Moving both [TWIN-PBT] controls to the same position shifts the IF for both high and low frequencies.
5-13 ■ IF filter selection The transceiver has 3 passband width IF filters for each mode. For SSB, CW and PSK modes, the passband width can be set within 50 to 3600 Hz in 50 or 100 Hz steps. A total of 41 passband widths are available. For RTTY mode, the passband width can be set within 50 to 2700 Hz in 50 or 100 Hz steps.
5-14 D D Roofing filter selection The IC-7700 has 3, 6 and 15 kHz roofing filters at the 1st IF frequency . The roofing filter provides interfer- ence reduction from nearby strong signals. q Push and hold for 1 sec. to enter filter set screen. w Select any mode except FM.
5-15 D D Filter shape set mode (continued) 5 FUNCTIONS FOR RECEIVE Select the filter shape for CW mode in HF bands. The set filter shape is automatically used only when the IF filter is set to 500 Hz or narrower . CW ( – 500Hz) SHARP Select the filter shape for CW mode in HF bands.
■ Noise blanker The noise blanker eliminates pulse-type noise such as the noise from car ignitions. The noise blanker is not available for FM mode. q Push to turn the noise blanker function ON and OFF . • [NB] indicator above this switch lights green.
5-17 5 FUNCTIONS FOR RECEIVE ■ Noise reduction The noise reduction function reduces random noise components and enhances desired signals which are buried in noise. The DSP performs the random noise reduction function. q Push to turn the noise reduction ON.
■ Notch function This transceiver has auto and manual notch functions. The auto notch function uses DSP to automatically at- tenuate more than 3 beat tones, tuning signals, etc., even if they are moving. The manual notch can be set to attenuate a frequency via the [NOTCH] control.
5-19 5 FUNCTIONS FOR RECEIVE ■ Autotune function The Automatic tuning function tunes the displayed fre- quency (max. CW: 500 Hz, AM: ±5 kHz) automatically when an off frequency signal is received. This function is active while in CW or AM mode is selected.
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6-1 FUNCTIONS FOR TRANSMIT Section 6 ■ VOX function …………………………………………………………… 6-2 D Using the VOX function ……………………………………….
6-2 ■ VOX function The VOX (V oice-Operated T ransmission) function switches between transmit and receive with your voice. This function provides “hands-free” operation. D D Using the VOX function q Select a phone mode (SSB, AM, FM). w Push to turn the VOX function ON or OFF .
6-3 ■ Break-in function The break-in function is used in CW mode to automat- ically toggle the transceiver between transmit and re- ceive when keying.
6-4 ■ ∂ ∂ TX function The ∂ TX function shifts the transmit frequency up to ±9.999 kHz in 1 Hz steps (10 Hz steps when cancelling the 1 Hz step readout) without moving the receive fre- quency . q Push . •“ ” appears. w Rotate [RIT/ ∂ TX].
6-5 ■ T ransmit filter width setting (SSB only) The transmit filter width for SSB mode can be selected from wide, middle and narrow . ➥ During USB or LSB mode selection, push and hold [COMP] (MF6) for 1 sec. several times to select the desired transmit filter width from wide, middle and narrow .
6-6 ■ Split frequency operation Split frequency operation allows you to transmit and receive in the same mode on two different frequencies. Split frequency operation is performed using 2 fre- quencies on the main and sub readouts. The following is an example of setting 21.
6-7 ■ Quick split function When you find a DX station, an important considera- tion is how to set the split frequency . When you push and hold the switch for 1 sec., split frequency operation is turned ON and the trans- mit frequency is equalized to the received frequency .
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7-1 V OICE RECORDER FUNCTIONS Section 7 ■ About digital voice recorder …………………………………………… 7-2 ■ Recording a received audio ………………………………….
7-2 ■ About digital voice recorder The IC-7700 has digital voice memories, up to 4 mes- sages for transmit, and up to 20 messages for receive. A maximum message length of 30 sec. can be recorded into receive memory (total message length for all channels of up to 209 sec.
7-3 ■ Recording a received audio Up to 20 receive voice memories are available in the IC-7700. A total audio length of up to 209 sec. can be recorded in receive messages.
7-4 ■ Playing the recorded audio D D Basic playing q Push several times to close a multi-func- tion screen, if necessary . w Push [F-2•VOICE] to call up the voice recorder screen. • Previously selected screen, TX or RX memory , is dis- played. If the TX memory message (T1–T4) appears, push [F-7•T/R] to select RX memory message.
7-5 ■ Protect the recorded contents The protect function is available to protect the recorded contents from accidental erasure, such as over-writing, etc. q Call up the voice recorder screen, RX memory . w Push [F-1• Y ] or [F-2• Z ] to select the desired voice message.
7-6 ■ Recording a message for transmit To transmit a message using the voice recorder , record the desired message in advance as described below . The IC-7700 has digital voice memories for transmis- sion, up to 4 messages and a total message length of up to 99 sec.
7-7 ■ Programming a memory name Memory messages can be tagged with alphanumeric names of up to 20 characters each. Capital letters, small letters, numerals, some symbols (! # $ % & ¥ ? “ ‘ ` ^ + – ✱ / . , : ; = < > ( ) [ ] { } | _ ~ @) and spaces can be used.
7-8 ■ Sending a recorded message q Push several times to close a multi-func- tion screen, if necessary . w Select a phone mode by pushing or . e Push [F-2•VOICE] to call up the voice recorder screen. • If the receive voice message appears, push [F-7•T/R] to select TX message (T1–T4).
7-9 ■ V oice set mode Sets the automatic monitor function, short play and normal recording times for voice recorder . q Push several times to close a multi-func- tion screen, if necessary . w Push [F-2•VOICE] to call up the voice recorder screen. e Push to select voice recorder menu.
7-10 ■ Saving a voice message into the USB-Memory D D Saving the received audio memory The recorded RX memory contents can be saved into the USB-Memory . q During voice recorder RX memory screen display , push [F-6•SA VE] to select voice file save screen.
8-1 MEMOR Y OPERA TION Section 8 ■ Memory channels ……………………………………………………… 8-2 ■ Memory channel selection ………………………………………….
8-2 ■ Memory channels The transceiver has 101 memory channels. Memory mode is very useful for quickly changing to often-used frequencies. All 101 memory channels are tunable which means the programmed frequency can be tuned temporarily with the main dial, etc.
8-3 8 MEMOR Y OPERA TION ■ Memory channel programming Memory channel programming can be preformed ei- ther in VFO mode or in memory mode. D D Programming in VFO mode q Set the desired frequency , operating mode and fil- ter width in VFO mode. w Push / several times to select the de- sired memory channel.
■ Frequency transferring The frequency and operating mode in a memory chan- nel can be transferred to the VFO. Frequency transfer- ring can be performed in either VFO mode or memory mode. D D T ransferring in VFO mode This is useful for transferring programmed contents to a VFO.
8-5 8 MEMOR Y OPERA TION ■ Memory list screen The memory list screen simultaneously shows 9 mem- ory channels and their programmed contents. 15 mem- ory channels can be displayed in the wide memory list screen. Y ou can select a desired memory channel from the memory list screen.
8-6 8 MEMOR Y OPERA TION ■ Memory names All memory channels (including scan edges) can be tagged with alphanumeric names of up to 10 charac- ters each. Capital letters, small letters, numerals, some symbols (! # $ % & ¥ ? " ’ ` ^ + – ✱ / .
8-7 8 MEMOR Y OPERA TION ■ Memo pads The transceiver has a memo pad function to store fre- quency and operating mode for easy write and recall. The memo pads are separate from memory channels. The default number of memo pads is 5, however , this can be increased to 10 in set mode if desired.
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9-1 SCANS Section 9 ■ Scan types ……………………………………………………………… 9-2 ■ Preparation ……………………………………………………………….
9-2 ■ Scan types •T he scan function can be used on the main read- out only . •Y ou can operate a scan while operating on a fre- quency using the split functions. PROGRAMMED SCAN Repeatedly scans between two scan edge frequencies (scan edge memory channels P1 and P2).
9-3 ■ V oice squelch control function This function is useful when you don’t want unmodu- lated signals pausing or cancelling a scan. When the voice squelch control function is activated, the trans- ceiver checks received signals for voice components.
9-4 ■ Programmed scan operation q Push several times to close a multi-func- tion screen, if necessary . w Select VFO mode. e Select the desired operating mode. • The operating mode can also be changed while scan- ning. r Push [F-5•SCAN] to select the scan screen.
9-5 ■ Fine programmed scan/Fine ∂ F scan In fine scan (programmed or ∂ F), the scan speed de- creases when the squelch opens, but the transceiver keeps scanning. The scanning tuning step shifts from 50 Hz to 10 Hz when the squelch opens. q Push several times to close a multi-func- tion screen, if necessary .
9-6 ■ Memory scan operation q Push several times to close a multi-func- tion screen, if necessary . w Select memory mode. e Push [F-5•SCAN] to select the scan screen. r Set [SQL] open or closed. • See page 9-2 for squelch condition. t Push [F-1•MEMO] to start the memory scan.
9-7 ■ Setting select memory channels D D Setting in scan screen q Push several times to close a multi-func- tion screen, if necessary . w Select memory mode. e Push [F-5•SCAN] to select the scan screen. r Select the desired memory channel to set as a se- lect memory channel.
9-8 ■ T one scan The transceiver can detect subaudible tones in a re- ceived signal. By monitoring a signal that is being transmitted on a repeater input frequency , you can de- termine the tone frequency required to access the re- peater . q Set the desired frequency or memory channel to be checked for a tone frequency .
10-1 ANTENNA TUNER OPERA TION Section 10 ■ Antenna connection and selection ………………………………… 10-2 ■ Antenna memory settings ………………………………………….
10-2 ■ Antenna connection and selection The IC-7700 has 4 antenna connectors for the HF/50 MHz bands, [ANT1], [ANT2], [ANT3], and [ANT4]. For each operating band the IC-7700 covers, there is a band memory which can memorize the selected an- tenna.
10-3 ■ Antenna memory settings This function stores the antenna connector number for each frequency band. q Push several times to close multi-function screen, if necessary . w Push and hold [ANT] (MF1) for 1 sec. to select an- tenna set screen. e Select the desired frequency band with a band key .
10-4 ■ Antenna memory settings (continued) D D T emporary memory The antenna temporary memory memorizes the man- ually selected antenna. The selected antenna will be re-called even if frequency band has been changed. q Select the antenna set screen.
10-5 10 ANTENNA TUNER OPERA TION D D Receive antenna I/O setting In default setting, receive antenna connectors, [RX ANT -IN] and [RX ANT -OUT], on the rear panel are de- activated and are connected internally by the switch- ing relay .
10-6 10 ANTENNA TUNER OPERA TION ■ Antenna tuner operation The internal automatic antenna tuner matches the transceiver to the connected antenna automatically . After the tuner matches an antenna, the variable ca- pacitor settings are memorized as a preset point for each frequency range (100 kHz steps).
10-7 10 ANTENNA TUNER OPERA TION ■ Antenna tuner operation (continued) • PTT TUNER ST ART The tuner is always tuned when the PTT is pushed after the frequency is changed (more than 1% from last-tuned frequency). This function removes the “push and hold ” operation and activates for the first transmission on a new frequency .
11-1 CLOCK AND TIMERS Section 11 ■ T ime set mode ………………………………………………………… 1 1-2 ■ Daily timer setting …………………………………………….
11-2 ■ T ime set mode The IC-7700 has a built-in calendar and 24-hour clock (accuracy ±75 sec. per month) with daily power ON/OFF timer functions. Before operating these timer functions, set the current date and time. q Push to close multi-function screen, if necessary .
11-3 ■ Daily timer setting The transceiver turns power ON and/or OFF automat- ically on the specified day and time, with the specified frequency settings. q Push several times to close multi-function screen, if necessary . w Push and hold for 1 sec.
11-4 ■ Setting sleep timer The sleep timer turns the transceiver power OFF au- tomatically after passing the set period. The timer can be set to 5–120 min. in 5 min. steps. The sleep timer function counts the ‘minute’ units, and does not count the ‘second’ units.
12-1 SET MODE Section 12 ■ Set mode description ………………………………………………… 12-2 D Set mode operation ………………………………………………… 12-2 D S.
12-2 ■ Set mode description Set mode is used for programming infrequently changed values or conditions of functions. The IC- 7700 has a level set mode, display set mode, time set mode, accessory set mode, Others set mode and USB-Memory set menu. D D Set mode operation q Push several times to close a multi-func- tion screen, if necessary .
12-3 12 SET MODE D D Screen arrangement • Set mode menu screen (p. 12-2) • Level set mode (p. 12-4) • ACC set mode (p. 12-7) • Time set mode (p.
12-4 12 SET MODE ■ Level set mode Sets the bass level of the receive audio tone in SSB mode from –5 to +5. (default: 0) Tone (Bass) 0 Sets the treble level of the receive audio tone in SSB mode from –5 to +5. (default: 0) Tone (Treble) 0 Sets the bass level of the receive audio tone in AM mode from –5 to +5.
12-5 12 SET MODE ■ Level set mode (continued) Sets the bass level of the transmit audio tone in SSB mode from –5 to +5. (default: 0) SSB TX Tone (Bass) 0 Sets the treble level of the transmit audio tone in SSB mode from –5 to +5. (default: 0) Tone (Treble) 0 Sets the bass level of the transmit audio tone in AM mode from –5 to +5.
■ Level set mode (continued) 12-6 12 SET MODE Sets the voice synthesizer audio output level from 0 to 100% in 1% steps. (default: 50%) Speech Level 50 % Sets the side tone output level from 0 to 100% in 1% steps. (default: 50%) Side Tone Level 50 % T urns the side tone output level limiting capability from ON and OFF .
■ ACC set mode 12-7 12 SET MODE Sets the desired audio output level, output from [ACC1], within 0 to 100% in 1% steps. •O utputs approx. 200 mV at 50% (default) setting. ACC AF Output Level 50 % Sets the desired output level of [S/P DIF], within 0 to 100% in 1% steps.
12-8 12 SET MODE ■ ACC set mode (continued) Selects the switching relay type for [RELA Y] from Lead and MOSFET . Select the suitable relay type when connecting a non- Icom linear amplifier . • Lead : Use mechanical relay . (16 V DC/0.5 A max.; default) • MOS-FET : Use semiconductor type relay .
12-9 12 SET MODE ■ ACC set mode (continued) Selects the transceiver ’s reference signal condition from IN, OFF and OUT . •I N: Use an external reference signal for the IC- 7700. T urn the transceiver power OFF then ON to make the setting effective.
12-10 12 SET MODE ■ Display set mode (continued) Selects the desired S/RF meter type during normal screen indication from Standard, Edgewise and Bar . (default: Standard) Meter Type (Normal Screen) Standard Selects the desired S/RF meter type during wide screen or mini scope indication from Edgewise and Bar .
12-11 12 SET MODE Select “ON” when the external display is connected. (default: OFF) • At least 800 × 600 pixel resolution is required for the dis- play . External Display OFF Selects the suitable pulse level for the connected ex- ternal display from H and L.
12-12 12 SET MODE ■ Others set mode This item is used for a simple frequency check of the transceiver . (default: OFF) See p. 13-5 for calibration procedure. NOTE: T urn the calibration marker OFF after checking the frequency of the transceiver . Calibration Marker OFF A beep sounds each time a switch is pushed to con- firm it.
12-13 12 SET MODE ■ Others set mode (continued) Sets the offset (dif ference between transmit and re- ceive frequencies) for the quick split function. This set- ting is used for HF bands in FM mode only and is used to input the repeater offset for an HF band.
12-14 12 SET MODE Selects the transverter operation condition from Auto and ON. (default: Auto) •O N: T urn the transverter operation ON. • Auto : The transceiver turns into transverter opera- tion condition when 2 to 13.8 V DC is applied to [ACC2] pin 6.
12-15 12 SET MODE ■ Others set mode (continued) Sets the auto tuning step function for the main dial. When rotating the main dial rapidly , the tuning step automatically changes several times as selected. There are 2 type of auto tuning steps: HIGH (Fastest) and LOW (Faster).
■ Others set mode (continued) 12-16 12 SET MODE Selects [DIGI-SEL] control function from DIGI-SEL and APF . • DIGI-SEL : [DIGI-SEL] control functions as the digi- tal selector operation. (default) • APF : [DIGI-SEL] control functions as the audio peak filter adjustment.
12-17 12 SET MODE Sets the external keypad for voice message trans- mission capability ON and OFF . See page 2-7 for the equivalent circuit of an external keypad and connection. •O N: Pushing one of external keypad switches, transmits the desired voice message contents during a phone mode operation.
12-18 12 SET MODE ■ Others set mode (continued) Select [RS-232C] connector output data format from CI-V and Decode. • CI-V : Outputs data in CI-V format.
12-19 12 SET MODE ■ USB-Memory set menu D D USB-Memory set screen arrangement • USB-Memory set menu • Setting load screen (p. 12-23) • Load option set mode (p. 12-21) • Firmware update (p. 16-4) • Format menu (p. 12-26) • Setting save screen (p.
D D Save option set mode 12-20 12 SET MODE Selects file save condition from All and Select. (default: All) • All : Saves all the following contents. • Select : Saves the selected contents only . SAVE Contents All This setting is fixed “YES.” • YES : Saves memory channel contents and set- tings of set modes.
12-21 12 SET MODE D D Load option set mode Selects file load condition from All and Select. (default: Select) • All : Loads and sets the all following contents. • Select : Loads and sets the selected contents only . Load Contents Select Selects the antenna memory setting loading condition YES and NO.
12-22 12 SET MODE ■ File saving Memory channel contents, set mode settings, etc. can be saved into the USB-Memory for backup. q During set mode menu screen indication, push [F-7•USB] to select USB-Memory set menu screen. w Push [F-2•SA VE] to select setting save screen.
12-23 12 SET MODE ■ File loading By loading the saved setting file from the USB-Mem- ory , you can easily set up another IC-7700—several operators settings can easily be applied to one IC- 7700. q During set mode menu screen indication, push [F-7•USB] to select USB set menu screen.
■ Changing a file name The file name, saved in the USB-Memory , can be re- named from the transceiver as desired. q During setting save screen display , push [F-1•DIR/FILE] to select tree view screen. • Push [F-2• Y ] or [F-3• Z ] to select the desired folder .
12-25 12 SET MODE ■ Deleting a file RECOMMENDA TION! Deleting the setting file is ir- reversible. Confirm the contents before deleting a setting file! q During setting save screen display , push [F-1•DIR/FILE] to select tree view screen. • Push [F-2• Y ] or [F-3• Z ] to select the desired folder .
12-26 12 SET MODE ■ Formatting the USB-Memory Saved data in the USB-Memory can be erased. IMPORT ANT! Formatting erases all saved data in the USB-Memory . Making a backup file on your PC is recommended. q During USB-Memory set menu display , push and hold [F-4•FORMA T] for 1 sec.
13-1 MAINTENANCE Section 13 ■ T roubleshooting ……………………………………………………… 13-2 D T ransceiver power ………………………………………………… 13-.
■ T roubleshooting The following chart is designed to help you correct problems which are not equipment malfunctions. If you are unable to locate the cause of a problem or solve it through the use of this chart, contact you near- est Icom Dealer or Service Center .
13-3 D D Scanning D D Display D D Format USB-Memory 13 MAINTENANCE PROBLEM POSSIBLE CAUSE SOLUTION REF . Programmed scan does not stop. Programmed scan does not start. Memory scan does not start Select memory scan does not start • Squelch is open. • The same frequencies have been programmed in scan edge memory channels P1 and P2.
13-4 ■ SWR reading The SWR meter indicates the SWR over the transmis- sion line in all modes. q Push to turn the antenna tuner OFF . w Push and hold [METER] for 1 sec. to display multi- function meter . e Push once or twice to select R TTY mode. r Push .
13-5 ■ Frequency calibration (approximate) A very accurate frequency counter is required to cali- brate the frequency of the transceiver . However , a rough check may be performed by receiving radio sta- tion WWV , WWVH, or other standard frequency sig- nals.
13-6 ■ Opening the transceiver ’ s case Follow the case opening procedures shown here when you want to replace the clock backup battery or inter- nal fuse. CAUTION!: DISCONNECT the AC power cable from the transceiver before performing any work on the transceiver .
13-7 ■ Fuse replacement When no external DC output is available from [EXT DC] and ACC connectors, the internal fuse may be open. Replace the fuse in this case. W ARNING: DISCONNECT the AC power cable from the AC outlet before removing the transceiver ’s cover .
13-8 ■ About protection indications The IC-7700 has a 2-step protection function to protect the final power amplifiers. The protector monitors the power amplifier tempera- ture and activates when the temperature becomes ex- tremely high. • Power down transmission Reduces the transmit output power to 100 W .
14-1 CONTROL COMMAND Section 14 ■ Remote jack (CI-V) information ……………………………………… 14-2 D CI-V connection example ………………………………………… 14-2 D .
14-2 ■ Remote jack (CI-V) information D D CI-V connection example The transceiver can be connected through an optional CT -17 CI - V LEVEL CONVERTER to a PC equipped with an RS-232C port. The Icom Communications Interface-V (CI-V) controls the transceiver .
14-3 D D Command table 14 CONTROL COMMAND 00 — Send frequency data 01 Same as Send mode data command 06 02 — Read band edge frequencies 03 — Read operating frequency 04 — Read operating mode 0.
14-4 D D Command table (continued) 14 CONTROL COMMAND 14 18 + Level data [CONTRAST] setting (0=max. CCW to 255=max. CW) 19 + Level data [BRIGHT] setting (0=max.
14-5 D D Command table (continued) 14 CONTROL COMMAND 1A 050023 Send/read CW side tone gain (0=min. to 255=max.) 050024 Send/read CW side tone gain limit (0=OFF , 1=ON) 050025 Send/read beep gain (0=min. to 255=max.) 050026 Send/read beep gain limit (0=OFF , 1=ON) 050027 Send/read headphones output ratio (0=0.
14-6 D D Command table (continued) 14 CONTROL COMMAND 1A 050077 Send/read R TTY keying polarity (0=Normal, 1=Reverse) 050078 Send/read PSK tone frequency (0=1000 Hz, 1=1500 Hz, 2=2000 Hz) 050079 Send/.
14-7 D D Command table (continued) 14 CONTROL COMMAND 1A 050124 Send/read scope edge frequen- cies for 26.00 to 30.00 MHz band (see p. 14-10 for details) 050125 Send/read scope edge frequen- cies for 30.00 to 45.00 MHz band (see p. 14-10 for details) 050126 Send/read scope edge frequen- cies for 45.
D D Command table (continued) 14-8 14 CONTROL COMMAND 1A 050176 Send/read antenna selection for 45.00 to 60.00 MHz band (see p. 14-10 for details) 050177 Send/read antenna temporary memory set (0=OFF .
14-9 14 CONTROL COMMAND D D To send/read memory contents When sending or reading memory contents, additional codes must be added to append the memory channel as follows.
14-10 14 CONTROL COMMAND D D Offset frequency setting The following data sequence is used when sending or reading the offset frequency setting. D D Repeater tone/tone squelch frequency setting The following data sequence is used when sending or reading the tone frequency setting.
15-1 SPECIFICA TIONS AND OPTIONS Section 15 ■ Specifications ………………………………………………………… 15-2 D General ……………………………………………….
15-2 ■ Specifications D D General • Frequency coverage (unit: MHz) : Receiver 0.030000–60.000000* 1 T ransmitter 1.800000–1.999999* 2 , 3.500000–3.999999* 2 , 5.330500* 3 , 5.346500* 3 , 5.366500* 3 , 5.371500* 3 , 5.403500* 3 , 7.000000–7.
15-3 D D Receiver • Receive system : Double conversion superheterodyne system • Intermediate frequencies : 1st 64.455 MHz 2nd 36 kHz • Sensitivity (typical) : SSB, CW , RTTY (BW=2.4 kHz, 10 dB S/N) 0.100000– 1.799999 MHz 0.5 µV (pre-amp 1 ON) 1.
15-4 ■ Options • IC-PW1/EURO HF /50 MH z ALL BAND 1k W LINEAR AMPLIFIER Full-duty-cycle 1 kW linear amplifier including an auto- matic antenna tuner . Has automatic tuning and band selection capability when used with an Icom trans- ceiver . Full break-in (QSK) operation.
16-1 UPDA TING THE FIRMW ARE Section 16 ■ General ………………………………………………………………… 16-2 ■ Caution ……………………………………………….
16-2 ■ General The IC-7700’s firmware can be updated if desired. By updating the firmware, new function(s) can be added and the improvement of performance parameters can be made. 2 methods of firmware update are available: one uses the USB-Memory , and the other uses a PC.
16-3 ■ Preparation D D Firmware and firm utility The latest firmware and the firm utility can be down- loaded from the Icom home page via the Internet. Ac- cess the following URL to download the firm utility and the latest firmware. http://www .icom.
16-4 ■ Firmware update— USB-Memory When updating the firmware with the USB-Memory , no IP address or subnet mask settings are necessary . q Copy the downloaded firmware data into the USB- Memory (“IC-7700” folder). • The USB-Memory must have been formatted by the IC- 7700.
16-5 !3 After the firmware loading is completed, the trans- ceiver starts the update automatically and the dia- log at left is displayed. R W ARNING!: NEVER turn the IC-7700 power OFF at this stage. The transceiver firmware will be corrupted. !4 When the dialog disappears, the precaution at left is displayed.
16-6 ■ Firmware update— PC D D Connections Connect the IC-7700 and the PC through a LAN (Local Area Network) as follows. = × × × × *Purchased separately to W AN /Internet network Ethernet cable* (Patch cable) to crossover port • IP address setting example Hub/Router* IC-7700 (192.
16-7 D D IP address setting IMPORT ANT!: A fixed (static) IP address is used for the IC-7700. When you connect the IC-7700 to a LAN, ask the network manager about a usable/assignable IP address and the subnet mask in advance. NEVER use an IP address that has already been used with another device in the network.
16-8 D D Updating from the PC q Start up the IC-7700 Firm Utility . • The window as at left appears. w Read the caution in the window carefully . e Click [Y es] if you agree and continue the firmware updating. r Select the firmware file, that has “dat” extension (e.
16-9 o The screen as at left is displayed. • The following dialog appears in the IC-7700 display . R W ARNING!: NEVER turn the IC-7700 power OFF at this stage. The transceiver firmware will be corrupted. !0 Click [OK] to finish the firmware update. • The “FIRMW ARE UPDA TING” dialog as above disap- pears.
INST ALLA TION NOTES For amateur base station installations it is recom- mended that the clearance in front of the antenna array is calculated relative to the EIRP (Effective Isotropic Radiated Power). The clearance height below the an- tenna array can be determined in most cases from the RF power at the antenna input terminals.
ABOUT CE DECLARA TION OF CONFORMITY Düsseldorf 16th Nov.2007 Place and date of issue Icom (Europe) GmbH Himmelgeister straße 100 D-40225 Düsseldorf Authorized representative name H.
Please record the serial number of your IC-7700 transceiver below for future servicing reference: Serial Number : Date of purchase : Place where purchased :.
1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan <Intended Country of Use> ■ ■ AT ■ ■ BE ■ ■ CY ■ ■ CZ ■ ■ DK ■ ■ EE ■ ■ FI ■ ■ FR ■ ■ DE ■ ■ GR ■ .
デバイスIcom IC-7700の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Icom IC-7700をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはIcom IC-7700の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Icom IC-7700の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Icom IC-7700で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Icom IC-7700を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はIcom IC-7700の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Icom IC-7700に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちIcom IC-7700デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
