Instruction/ maintenance manual of the product 25 NW ST Cobra
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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.
An important point after buying a device Cobra Cobra 25 NW ST (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Cobra Cobra 25 NW ST yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Cobra Cobra 25 NW ST - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cobra Cobra 25 NW ST you will learn all the available features of the product, as well as information on its operation. The information that you get Cobra Cobra 25 NW ST will certainly help you make a decision on the purchase.
If you already are a holder of Cobra Cobra 25 NW ST, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cobra Cobra 25 NW ST.
However, one of the most important roles played by the user manual is to help in solving problems with Cobra Cobra 25 NW ST. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cobra Cobra 25 NW ST along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
