JVCメーカーLYT0193-001Bの使用説明書/サービス説明書
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G R-D V3 DIGITAL VIDEO CAMERA LYT0193-001B INSTRUCTIONS CONTENTS Please visit our CyberCam Homepage on the World Wide Web and answer our Consumer Survey (in English only): http://www .jvc-victor.co.jp/index-e.html ABOUT DV 5 PROVIDED ACCESSORIES 6 GETTING ST ARTED 8 Charging The Battery Pack .
2 EN Connection to the mains supply in the United Kingdom. DO NOT cut off the mains plug from this equipment. If the plug fitted is not suitable for the power points in your home or the cable is too short to reach a power point, then obtain an appropriate safety approved extension lead or consult your dealer .
EN 3 This unit is produced to comply with Standard IEC Publ. 65. CAUTION (applies to the AC Charger Station): T O REDUCE THE RISK OF FIRE, DO NOT REMOVE COVER (OR BACK). NO USER– SER VICEABLE PAR TS INSIDE. REFER SERVIC- ING T O QUALIFIED SER VICE PERSONNEL.
4 EN About Batteries DANGER! Do not attempt to take the batteries apart, or expose them to flame or excessive heat, as there is a risk of fire or explosion. W ARNING! Do not allow the battery terminals, or the battery itself, to come in contact with metals, as this can result in a short cir cuit and possibly start a fire.
EN 5 The digital video camera converts incoming audio and video signals into digital form for recording. A video signal is composed of a luminance signal (Y) and colour signals (R-Y and B-Y). These signals are identified and recorded digitally (Digital Component Recording).
6 EN PROVIDED ACCESSORIES Grip/Hand strap S-VIDEO cable DC cord VIDEO/AUDIO cable (AC Charger Station to TV or VCR, RCA plug 4 RCA plug) AC Charger Station AA-V60EK Battery pack BN-V607U VIDEO/AUDIO cable (camcorder to TV or VCR, ø3.5 mini-plug 4 RCA plug) Editing cable (ø3.
EN 7 TW Remote control unit RM-V712U MiniDV Cassette T ape 30 min (DVM-30) M-DV30ME Lithium battery CR2025 (for remote control unit) Cable adapter.
8 EN Char ging The Battery Pack The battery pack has not been charged at the factory . Before using it, be sure to char ge it with the AC Charger Station. GETTING ST ARTED NOTES: ● If you connect the camcorder’s DC cord to the AC Char ger Station during battery charging, power is supplied to the camcorder and charging stops ( Z pg.
EN 9 Charging Environment Perform charging where the temperature is between 10° and 30°C. 20° to 25°C is the ideal temperature range for charging. If the environment is too cold, charging may be incomplete.
10 EN 1 INSER T CHARGED BATTER Y T o insert a battery pack, slide the battery lock switch to the release position and insert the battery end first. T o prevent the battery pack from falling out, be sure to slide the battery lock switch to the lock position.
EN 11 Date/Time Settings Date and time will automatically be recorded on tape at all times. It is your choice to display it or not during playback ( Z pg. 51). 1 SELECT OPERA TION MODE Set the Power Dial to “ M ” while pressing down the lock button located on the dial, and pull out the viewfinder fully .
12 EN GETTING ST ARTED (Cont.) Loading/Unloading A Cassette The camcorder needs to be powered up to load or eject a cassette. 1 OPEN CASSETTE COVER T urn the power on, then slide the OPEN/EJECT switch in the direction of the arrow . The cassette cover releases.
EN 13 Recording Mode Setting Set depending on your preference. OFF P L A Y A M 5S SP SP LP REC MODE WIDE MODE OFF AGC 40X SP ZOOM DIS GAIN UP TO DATE / TIME MENU TO SYSTEM MENU 4 END ON REC MODE WIDE .
14 EN GETTING ST ARTED (Cont.) Grip Strap Attachment 1 A TT ACH GRIP STRAP TO HAND STRAP EYELET Open the pad and pull the grip strap in the direction of the arrow to remove the grip strap from the pad. Thread the end of the grip strap through the hand strap eyelet, then thread the other end of the grip through the loop.
EN 15 Dioptre Adjustment Adjust the viewfinder display for best viewing. 1 SELECT OPERA TION MODE Set the Power Dial to “ A ” or “ M ”. 2 TURN ON CAMCORDER Pull out the viewfinder fully . 3 ADJUST DIOPTRE Slide the Dioptre Adjust Lever located on the bottom of the viewfinder .
16 EN TW Remote Control Unit Y ou can use the RM-V712U to control the camcorder . When using the remote control, be sure to point it at the remote sensor .
EN 17 Power Dial Position Function Allows you to record using NO special effects or manual adjustments. Suitable for standard recording. Allows you to set various recording functions using the Menus. If you want more creative capabilities than Full Auto recording, try this mode.
18 EN Y ou should already have performed the necessary preparations ( Z pg. 8 – 17). Set the Power Dial to “ A ” and try recording that way before attempting to use more advanced features. NOTE: Before starting recording, make sure you set the date and time ( Z pg.
EN 19 NOTES: ● Be careful not to cover the camera sensor; built-in here is the sensor necessary for shooting. ● If 5 minutes elapse in the Record-Standby mode, power shuts off automatically to conserve ener gy and protect the heads. T o turn the camcorder on again, push back and pull out the viewfinder again.
20 EN 1 SELECT OPERA TION MODE T urn the Power Dial to “PLAY” while pressing down the lock button located on the dial. • The power lamp comes on. 2 PULL OUT VIEWFINDER Pull out the viewfinder fully . 3 ST ART SEARCH Press 6 / 4 , then press 2 or 3 .
EN 21 T ime Code During recording, a time code is recorded on the tape. This code is to confirm the location of the recorded scene on the tape during playback. If recording starts from a blank portion, the time code begins counting from “00:00:00” (minute:second:frame).
22 EN Zoom Select any one of the three powers of magnification and get “closer” to the subject ( Z pg. 30). Simply set the zoom switch to either zoom in (towards “T”) or zoom out (towards “W”). The zoom speed is variable — the quicker you set the zoom switch, the quicker the zoom action.
EN 23 Displaying The Date And Time During Recording When the Power Dial is set to “ M ”, “5S” or “ ”, you can choose whether to display the date and time during recording or not. Y ou must first set the date and time (see “Date/T ime Settings” Z pg.
24 EN Scene (5-second recording) Record a vacation or an important event in 5-second clips to keep the action moving. The 5-Second function may also be activated during Full Auto operation. But the White Balance remains in the previously adjusted condition.
EN 25 Self-Timer Once the camcorder is set, the camcorder operator can become part of the scene in a more natural way adding the final touch to a memorable picture. OFF P L A Y A M 5S MANUAL PAUSE – – – MANUAL REC 444 1 SELECT OPERA TION MODE T urn the Power Dial to “ ” while pressing down the lock button located on the dial.
26 EN RECORDING Advanced Features (Cont.) 1 SELECT OPERA TION MODE First turn the Power Dial to “ M ” while pressing down the lock button located on the dial. Make sure the viewfinder is pulled out. 2 ACCESS RECORDING MENU Press MENU . The Recording Menu appears.
EN 27 Motor Drive mode: Keeping the SNAPSHOT Button pressed provides an effect similar to serial photography. (The interval between the still pictures: approx. 0.7 seconds.) NOTES: ● In Full Auto mode, all Snapshot modes are available. However , the Snapshot mode cannot be changed.
28 EN Menus The Recording Menu allows you to set these functions: Recording Mode, W ide Mode, Zoom Magnification, Digital Image Stabilizer , Gain Up, Date/T ime Menu, System Menu . The following selection procedure applies to Recording Mode, W ide Mode, Zoom Magnifica- tion, Stabilization and Gain Up .
EN 29 REC MODE (Recording mode) Y ou can change the tape recording speed. LP tape speed is slower than SP , allowing LP to record 1.5 times longer than SP . If you have shot in SP mode, Audio Dubbing will be possible later . NOTES: ● T apes shot in LP mode are recommended to be played back on this unit.
30 EN ZOOM (Zoom magnification) Y ou can select 10X, 40X, or 100X maximum zoom magnifications. 10X –Optical zoom that does not degrade the quality of the recording. 40X –Electronic processing (Digital zoom) that lets you get closer up. 100X –Electronically-processed images at 100-times magnification.
EN 31 1 SELECT OPERA TION MODE First turn the Power Dial to “ M ” while pressing down the lock button located on the dial, make sure the viewfinder is pulled out.
32 EN ON OFF 32kHz 06 5S SCENE BEEP / TALLY FRAME PHOTO MODE WIND CUT SOUND MODE ID NUMBER OFF DEMO. MODE RETURN 4 32kHz 48kHz 5S ANIM. ON OFF ON OFF ON OFF 5SD FRAME MULTI 4 MULTI 9 PIN-UP FULL PHOTO MODE See pages 26 and 27. SCENE (5-Second Mode) ( Z pg.
EN 33 F ADE/WIPE Effects IMPORT ANT : If certain P .AE/Effects ( Z pg. 40) are activated, some Fade/Wipe Effects cannot be used. If you select a Fade/ Wipe Effect that is unusable in the current situation, the indication blinks. Use these to spice up the transition from one scene to the next.
34 EN Fades and Wipes A scene gradually appears on a black or white screen (Fade In/W ipe In), or disappears, leaving a black or white screen (Fade Out/Wipe Out). Select Fade or W ipe at the Fader/W ipe Menu ( Z pg. 33). Select any one effect from W H , B K , , B W , , , , , and of the Fader/Wipe Menu.
EN 35 Picture Wipe/Dissolve Combine the Picture Wipe and Dissolve functions for a professional transition effect. There are 6 Picture Wipe effects and 1 Dissolve effect. Select the Picture Wipe effect at the Fader/W ipe Menu ( Z pg. 33). Select any one effect from P , P , P , P , P , P and P of the Fader/Wipe Menu.
36 EN Random V ariations When R ? is selected, the camcorder chooses one of the fades/wipes at random. 1 ST ART RECORDING Press ST ART/STOP . The camcorder does the rest, selecting an effect at random. • The recording starts with a Fade In or W ipe In.
EN 37 MENU EFFECT Fade in or out with a white screen. Fade in or out with a black screen. Fade in or out with a full-screen mosaic effect. Fade in to a colour screen from a black and white screen, or fade out from colour to black and white.
38 EN RECORDING Advanced Features (Cont.) MENU EFFECT The new scene gradually appears as the old one gradually disappears. The new scene wipes in over the previous one from the upper right corner to the lower left corner . The next scene gradually wipes in from the centre of the screen toward the corners, covering the previous scene.
EN 39 4 SELECT EFFECT Move the pointer and highlight bar to the desired effect by rotating the Select Dial, then press it. • The P .AE/Effect Menu disappears and the selected mode is activated. The symbol of the selected mode appears. 5 ST ART RECORDING Press ST ART/STOP .
40 EN Gives recorded scenes a strobe effect. Y our recording looks like a series of consecutive snapshots. SLOW (Slow Shutter) Y ou can light dark subjects or areas even brighter than they would be under good natural lighting. SLOW X4 The Shutter Speed is set to 1/12.
EN 41 Manual Focus Adjustment The camcorder , in most cases, adjusts the focus from approx. 5 cm to infinity automatically . However , when focusing is difficult or when the subject is not in the middle of the viewfinder , adjust the focus manually . Factory preset is “AUT O”.
42 EN 1 SELECT OPERA TION MODE First turn the Power Dial to “ M ” while pressing down the lock button located on the dial, make sure the viewfinder is pulled out. 2 ACCESS MANUAL MODE ITEM MENU Press the Select Dial. The Manual Mode Item Menu appears.
EN 43 1 SELECT OPERA TION MODE First turn the Power Dial to “ M ” while pressing down the lock button located on the dial, make sure the viewfinder is pulled out. 2 ACCESS MANUAL MODE ITEM MENU Press the Select Dial. The Manual Mode Item Menu appears.
44 EN White Balance Adjustment A term that refers to the correctness of colour reproduction under various lighting. If the white balance is correct, all other colours will be accurately reproduced. The white balance is usually adjusted automatically .
EN 45 T o Change The Tint For Recording . . . .... in step 2 , substitute coloured paper for white. The white balance is adjusted based on the colour , changing the tint. Red paper — deeper green; blue paper — orange; yellow paper — deeper purple.
46 EN Y ou can watch what you’ve recorded in the viewfinder . 1 SELECT OPERA TION MODE T urn the Power Dial to “PLAY” while pressing down the lock button located on the dial. The Power lamp comes on. 2 PULL OUT VIEWFINDER Pull out the viewfinder.
EN 47 T o Perform High-Speed Search . . . .... press 2 or 3 after pressing 6 / 4 . The tape will move at approximately 9 times the normal playback speed. W atch in the viewfinder and, when you reach the spot you want to see, press 6 / 4 and normal playback resumes.
48 EN 4 END ZOOM Press and hold W until magnification returns to normal. Or , press STOP and then press PLA Y . NOTES: ● Zoom can also be used during slow-motion and still playback. ● During digital image processing, the quality of the image may suffer .
EN 49 1 ST AR T PLA YBACK Press the Play button ( 4 ). 2 ACCESS PLA YBACK EFFECT SELECT MENU Point the remote control at the camcorder’ s remote sensor and press EFFECT . The PLA YBACK EFFECT Select Menu appears. 3 SELECT PLA YBACK EFFECT Move the pointer and highlight bar to the desired effect by pressing EFFECT .
50 EN PLA YBACK Advanced Features (Cont.) Playback Menu The Playback Menu allows you to set the following functions: Playback Sound (32 kHz, 48 kHz), Synchro Comp, Display and T ime Code . The following procedure applies to all except Synchro Comp ( Z pg.
EN 51 RECORDING SOUND DISPLAY OUTPUT SOUND 32 kHz FULL SOUND SOUND 1 Stereo sound SOUND 2 48 kHz FULL SOUND Stereo sound SOUND 1 “L” sound is output on both channels SOUND 2 “R” sound is output on both channels Playback Sound During playback, the camcorder detects the sound mode in which the recording was made, and plays the sound back.
52 EN PLA YBACK Basic Connections VCR/TV Connection (when connecting directly to the camcorder) Please refer to your VCR and/or TV instruction manual(s) when connecting. 1 CONFIRM POWER-OFF ST A TUS Make sure the camcorder ’s power is off. 2 CONNECT CAMCORDER TO TV OR VCR Pull out the connector cover and open it.
EN 53 VCR/TV Connection (using AC Charger Station) Attach the camcorder to the AC Charger Station, then connect the AC Char ger Station to a TV or VCR ( Z pg. 54, 55), as described in the following steps. Power lamp Lock lever (with the Release button) 1 CONFIRM POWER-OFF ST A TUS Make sure the camcorder ’s power is off.
54 EN PLA YBACK Basic Connections (Cont.) VCR/TV connection (using the AC Charger Station) (Cont.) Please refer to your VCR and/or TV instruction manual(s) when connecting.
EN 55 Red White Y ellow Yellow White Red VIDEO/AUDIO cable (provided) VCR Core filter T o S-VIDEO IN connector T o AUDIO OUT connectors (L/R) T o AUDIO IN connectors (L/R) To TV or VCR TV Core filter .
56 EN PLA YBACK Advanced Connections T o DV OUT connector T o PARALLEL (PRINTER) connector Connector is under the cover . T o DV IN connector DV cable (optional) Digital Printer T o PARALLEL connector.
EN 57 5 SUPPL Y POWER Plug the AC Char ger Station’s power cord into an AC outlet. 6 TURN ON POWER T urn the camcorder ’ s Power Dial to “PLA Y”, “ A ” or “ M ” while pressing down the lock button located on the dial and turn on the other units.
58 EN OFF P L A Y A M 5S TW Dubbing Y ou can copy recorded scenes from the camcorder onto a videotape. Refer to your VCR’ s instruction manual for details. NOTES: ● Y ou can use Playback Zoom ( Z pg. 48) or Playback Effects ( Z pg. 49) in step 2 .
EN 59 TW Digital Dubbing It is also possible to copy recorded scenes from the camcorder onto other video unit equipped with a DV connector. Since a digital signal is sent, there is little if any image or sound deterioration.
60 EN TW 3 1 6 789` 5 4 2 VCR CODE LIST VCR BRAND NAME 6 2 6 4 7 7 MITSUBISHI 6 7 6 8 NEC 3 7 3 8 GRUNDIG 1 4 3 4 HITACHI 6 6 6 3 PANASONIC 1 3 1 7 1 1 9 4 1 8 JVC 9 1.
EN 61 TW Random Assemble Editing Using the remote control, you can use P .AE/Effects and make an original edited tape. 1 MAKE CONNECTIONS Make sure that the playback picture and sound are available on the connected TV ( Z pg. 54, 55). • Connections should be made while the power is off.
62 EN 4 SET EDIT -IN POINT At the beginning of the scene, press EDIT IN/ OUT on the remote control. The Edit-In position appears on the Random Assemble Editing Menu. 5 SET EDIT -OUT POINT At the end of the scene, press EDIT IN/OUT . The Edit-Out position appears on the Random Assemble Editing Menu.
EN 63 8 REGISTER ADDITIONAL SCENES Repeat steps 4 – 7 ( Z pg. 62). • T o change previously registered points, press CANCEL on the remote control. The registered points disappear , one at a time, from the most recently registered point. • If you're not using Fade/Wipe or P .
64 EN 3 PLA Y BACK DUBBED SCENE • If any images from the scene prior to the transition you chose for your Edit-In point were recorded, that means your VCR moves quickly from Record-Pause to Record mode. • If the scene you tried to dub starts in progress, the VCR is slow to start recording.
EN 65 7 CLOSE MENU Press the Select Dial twice. • Now perform Random Assemble Editing beginning with step 2 on page 61. NOTES: ● Before performing actual Random Assemble Editing, do a few Random Assemble Editing trial runs to check whether the value you have input is appropriate or not, and make adjustments accordingly .
66 EN TW OFF P L A Y A M 5S 6e Audio Dubbing The audio track can be customized only when recorded on the 32 kHz mode ( Z pg. 32). NOTES: ● Audio Dubbing is not possible on a tape recorded at 48 kHz, on a tape recorded in the LP mode or on a blank portion of a tape.
EN 67 RECORDING SOUND DISPLAY OUTPUT SOUND 32 kHz FULL SOUND Original and new tracks are combined and output in stereo. SOUND 2 New track is output on both “L” and “R” channels in stereo. SOUND 1 Original track is output on both “L” and “R” channels in stereo.
68 EN SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION 1. No power is supplied. 2. “SET DA TE/TIME!” appears. 3. Recording cannot be performed. 4. There is no playback picture. 5. Some functions are not available using the MENU button. 6. Some functions are not available using the Select Dial.
EN 69 SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION 10. The tape is moving, but there’s no picture. 11 . In the 5-Second mode, recording ends before 5 seconds have elapsed. 12. Snapshot mode cannot be used. 13. Digital Zoom doesn’t work. 14. P .AE/Effects and Fade/ Wipe Effects don’ t work.
70 EN SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION 18. • The last selected editing scene is ending. • At the end of the last selected scene for editing, the Power Dial was set to “OFF”. • The power is off. 19. • The Slow Shutter effect is activated.
EN 71 SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION 26. • The optional headphones are not connected to the head- phones connecto. 27. • “DISPLA Y” is set to “OFF” in the Date/T ime Menu. 28. • “ON SCREEN” is set to “OFF” in the Date/T ime Menu.
72 EN SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION 32. • During playback of the unrecorded portion, High- speed Sear ch and still playback, viewfinder indications appear distorted. This is not a defect. 33. ———— 34. • A malfunction of some kind has occurred.
EN 73 1 REMOVE POWER SUPPL Y Remove the battery pack or disconnect the AC Charger Station ( Z pg. 8 – 10). 2 CLEAN EXTERIOR Wipe gently with a soft cloth. • Put cloth in diluted mild soap and wring it well to wipe off heavy dirt. Then wipe again with a dry cloth.
74 EN CONTROLS, INDICA TIONS AND CONNECTORS 1 2 3 5 6 4 # % $ 8 9 0 ! @ 7 Connector cover Pull this out to open. Camcorder 1 Stereo microphone For use when recording. 2 Lens hood T urn this counterclockwise to release. 3 Lens cover Opens when the viewfinder is pulled out with the Power Dial set to any position except “PLA Y” or “OFF”.
EN 75 ^ * ) q w e ( & t r y u Bottom of camcorder w Battery cover open switch (BA TTERY) ( Z pg. 9) Slide down to open the battery cover. e Function Navigator Dial (Select Dial) ( Z pg. 19, 28) Adjusts the brightness of the display or selects the Menu etc.
76 EN CONTROLS, INDICA TIONS AND CONNECTORS (Cont.) 1 DC charger ( Z pg. 8) Attach the battery pack to char ge. 2 Camcorder attachment part ( Z pg. 53) Attach the camcorder to this part when charging the battery installed in the camcorder or when editing.
EN 77 No. FUNCTION 1 * Displays the operation mode position. ( Z pg. 17) 2 * Appears when taking a Snapshot. ( Z pg. 26) 3 Appears when in the Squeeze or Cinema mode. ( Z pg. 29) 4 * Appears when in the Record-Standby mode. ( Z pg. 18) 5 Appears when Digital Image Stabilizer is engaged.
78 EN 6e SOUND1 32kHz LP 25 . 12 . 98 17 : 30 – – – – – – – – – – TC 01 : 28 : 15 6 4 BRIGHT 1 2 3 4 6 5 Indications During Playback No. FUNCTION 1 Displays the sound mode. ( Z pg. 51) 2 Displays the recording mode. 3 Appears while a tape is running.
EN 79 INDICA TIONS FUNCTION Displays the battery remaining power . Remaining power level: high Remaining power level: exhausted As the battery power comes close to nil, the battery indicator blinks. When the battery power is exhausted, power turns of f automatically .
80 EN CAUTIONS Cassettes T o properly use and store your cassettes, be sure to read the following cautions: 1. During use . . . .... make sure the cassette bears the Mini DV mark. .... be aware that recording onto prerecorded tapes automatically erases the previously recorded video and audio signals.
EN 81 Main Unit 1. For safety , DO NOT . . . .... open the camcorder ’ s chassis. .... disassemble or modify the unit. .... short-circuit the terminals of the battery pack. Keep it away from metallic objects when not in use. .... allow inflammables, water or metallic objects to enter the unit.
82 EN SPECIFICA TIONS Camcorder General Power : DC 6.3 V (using AC Char ger Station) DC 7.2 V (using Battery) Power consumption : Approx. 6 W Format : DV Format (SD mode) Signal format : PAL Standard V ideo signal recording format : Digital Component Recording Cassette : MINI DV Cassette T ape Speed : SP: 18.
EN 83 AC Charger Station General Power : AC 1 10 to 240 V ` , 50/60 Hz Power consumption : 20 W Output power : DC 7.2 V , 0.77 A (char ge) DC 6.3 V , 1.8 A (VTR) Operating temperature : 0°C to 40°C (when charging, 10°C to 35°C) Dimensions : 80 mm (W) x 39 mm (H) x 146 mm (D) Weight : Approx.
84 EN GLOSSARY OF TERMS Iris W orks like the pupil of the human eye. In a well-lit environment, the human pupil contracts to keep too much light from entering.
EN 85 INDEX O On-Screen Menus ......... Z pg. 28 – 33, 39, 49, 50 Operation Mode ..................................... Z pg. 17 P P .AE/Effects .................................. Z pg. 39, 40, 49 Picture Wipe/Dissolve ............................. Z pg.
MEMO.
MEMO.
G R-D V3 COPYRIGHT© 1998 VICTOR COMPANY OF JAPAN, LTD. EK Printed in Japan 0598HOV * UN * VP VICTOR COMP ANY OF JAPAN, LIMITED.
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JVC LYT0193-001B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JVC LYT0193-001B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。JVC LYT0193-001B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。JVC LYT0193-001B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。
JVC LYT0193-001B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JVC LYT0193-001B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。
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