Cobraメーカー25 NW STの使用説明書/サービス説明書
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How to Use Y our Co br a 25 NW ST Contents Features ...........................................................................................1 The CB Story ..................................................................................A1 FCC Regulations FCC W arnings Included Accessories Controls & Indicators .
Installation Installation Location 3 2 Mounting and Connection Mounting and Connection H old the radio with the mounting bracket in the exact desired lo cation. If there is no in ter- ference , remov e the bracket and use it as a template to mark the lo cation for the moun t- ing screws.
Installation Installation 5 4 Note Before installing the CB radio , visually check the vehicle’s battery connection to deter - mine which terminal, positive or negative, is grounded (pos- itive is the larger of the t wo) to the engine block (or chas - sis).
Ignition Noise Interference Antennas U se of a mobile receiver at low signal le vels is normally limited by the presence of electrical noise. The primary sour ce of noise in automobiles is from the alterna tor and ignition system. T ypically , when signal level is adequa te, the back - ground noise does not present a serious problem.
T he CB/PA button should be in the CB position. Operation 9 Operation T urning On Setting Channel Selector 8 T urning On Make sure the p ower cord, antenna and micro- phone are connec ted to their proper connec tors before starting. Setting Channel Selec t or 2 1 R o t a t e the On/Of f V o lume knob c l oc kw i s e to a normal listening level.
Rotat e the On/Off V olume knob clockwise the green RT/TX LED will be illiumina ted. Operation 11 Operation 10 S-Meter S-Meter Swings proportionately to strength of incoming signal when receiving.
Operation Operation 13 12 Activating SoundTracker ™ Push and release the ST button. R ed LED is illuminated when SoundTracker™ is turned on. 1 The SoundT rack e r TM System While previous systems .
Operation Operation 15 14 RF Gain Control Dimmer Control RF Gain Control T he RF Gain is used to optimize reception in strong or weak signal areas . Dimmer Control Note The RF Gain is used to optimiz e reception in weak signal areas . Rotate the DIM knob clockwise for maximum brightness; counter-clockwise for minimum.
T o achiev e the Desired Squelch Setting (DSS), turn the Squelch control counterclockwise until you hear noise. Now turn the control clockwise just until the noise stops .
Setting Dynamike This controls the microphone sensitivit y (outgoing audio le v el). 19 18 Setting Dynamike Operation Operation 1 Initially , set fully clockwise so that maxi - mum voice volume is available. D ynamike may hav e to be reduced in some conditions .
Set CB PA switch to PA position. 2 21 20 Operation Operation External Speaker External Speaker The external S peaker jack is used for remot e receiver monitoring. Note The external speaker should have 8-ohm impedance and b e r ated to handle at least 4.
Operation Operation 23 22 Push and hold microphone button and speak in a normal voic e. Y our voice will sound on the P A speaker . Adjust P A speaker volume with the Dynamike control. 3 4 ANL (Automatic Noise Limiter) Switch ANL (Automatic Noise Limiter) Switch When switched t o ANL the Automatic Noise Limiter is activ a ted.
Home And Office Set-Up T emporary Mobile Set-Up 25 24 T emporary Mobile Set-Up T emporary Mobile Operation F or temporary mobile oper ation you may want t o purchase an optional cigarette ligh ter adapter from your COBRA dealer. This adapter and a mag - netic mount an t enna allow you to quickly “install” your transceiver for temporary use .
How Y our CB Can Serve Y ou 27 Home And Office Set-Up 26 C onnect properly installed and ma tched base station antenna. Plug power cable into back of unit mar k ed “Pow er ” . Be sure to obser ve polarity mar kings. 2 3 1. S et to channel 9 for emergencies Be sure an tenna is properly connec ted.
How Y our CB Can Serve Y ou How Y our CB Can Serve Y ou 29 28 T he FCC gives these examples of permitted and prohibited messages for channel 9. These are only guidelines and not all-inclusive: P ermitted Example Message Y es “ T ornado sigh t ed six miles north of town.
Frequency Ranges How Y our CB Can Serve Y ou 31 30 Code Meaning 10-29 Time is up for contac t 10-30 Does not conform to FCC rules 10-33 Emergency traffic 10-34 Trouble at this station 10-35 Confidenti.
Limited Two Y ear W arranty 25 NW ST Specifications 33 32 GENERAL CHANNELS. . . . . . . . . . . . . . . . . . . . . . . CB - 40 CH FREQUENCY RANGE. . . . . . . . . . . . . . . CB - 26.965 TO 27.405 MHZ FREQUENCY T OLERANCE. . . . . . . . . . 0.005 % FREQUENCY CONTROL .
Y ou Can Find These Fine Accessories At Y our Local C obra CB Dealer If you wish, you can order directly from Cobra. Order by phone Call 1.773.889.3087 (Pr ess 1 from the main menu) 8 a.m.-8 p.m. M-F CST . Order by mail or fax Please fill out order form on ne xt page , and mail/fax directly to Cobra.
Accessory Order Form 36 Tax Table Illinois residents add 7% Cook Co. residents add .75% (7.75% total) Chicago residents add 1% (8.75% total) Indiana residents add 5% For credit card orders fill out order for m and fax to: 1.773.622.2269 or call 1.773.
2 5 N W S T Cobra Electronics Corporation 6500 W est Cortland Street Chicago, IL60707 Cobra Electronics Corp.© 1999 Printed in China Part No. 480-205-P-001 CB Radio “Ing eniou s P ro d u c ts for Easier C o m m u n i c a t i o n .
The Citizens Band lies bet ween the shor twave broadcast and 10-meter Amateur radio bands , and was established by law in 1949. The Class D two-way communica tions service was opened in 1959.(CB also includes a Class A citizens band and Class C remote control frequencies.
T hank you for purchasing the Cobra 25 NW ST CB Radio. Properly used, this Cobra product will give y ou many years of reliable service. SoundT racke r TM “C uts noise coming in...strengthens signals going out.” This Pat ent pending technolo gy dramatically improv es transmission and reception of CB signals.
デバイスCobra Cobra 25 NW ST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:
Cobra Cobra 25 NW ST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Cobra Cobra 25 NW ST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。Cobra Cobra 25 NW ST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。Cobra Cobra 25 NW ST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。
Cobra Cobra 25 NW ST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Cobra Cobra 25 NW ST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、Cobra Cobra 25 NW ST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Cobra Cobra 25 NW ST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。