Cobra Electronics Cobra 25 NW ST manual

Ho w to Us e Y ou r Co b r a 25 NW ST Contents Features ...........................................................................................1 The CB Stor y ..................................................................................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 ca tion for the moun t- ing screws. Location Plan location of transceiver and microphone bracket[...]

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).A negatively grounded vehicle has its negative lead grounded to the chassis . Note Connect[...]

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 le vel is adequa te, the back- ground noise does not present a serious problem. Also, when e x[...]

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 ow er cor d, antenna and micro- phone are connec ted to their proper connec tors before starting. Setting Channel Selec tor 2 1 R o t a t e the On / Of f V o lum e knob c l oc kw i s e to a normal listening le vel[...]

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. Switch to NOR to select desired channel. 1 Selecting A Channel Selecting A Channel Note S witch to 9 (Emergency) or 19 (Information) for instant access t[...]

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 only “blanket out” or limit noise in higher sound frequencies , the revolution- ary new SoundT racker TM System actually reduces noise while leavi[...]

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. Rotate the RF Gain knob counte[...]

T o achie v 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 . T his is the DSS setting. 17 16 Operation Operation 3 Gate set to Desired Squelch Setting (DSS) T o T ransmit T o Transmit Caution! Be sure the antenna is proper l y connected [...]

Setting Dynamike This controls the microphone sensitivit y (outgoing audio le vel). 19 18 Setting Dynamike Operation Operation 1 Initially , set fully clockwise so that maxi - mum voice volume is a vailable. Dynamike may hav e to be reduced in some conditions . T ransmit Push and hold mic button to transmit. T ransmitter is now activ ated. W hen tr[...]

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 4.0 watts. When the e xternal speak - er is plugged in,the internal speaker is automatically disco[...]

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 ated. This helps reduce noi[...]

Home And Office Set-Up T emporary Mobile Set-Up 25 24 T emporar y 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 . B[...]

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 pow er cable in t o back of unit mar k ed “Pow er ” . Be sure to obser ve polarity mar kings. 2 3 1. Set to channel 9 for emergencies Be sure an t enna is properly connec ted. 2. CB Distress Data When transmitting an emer[...]

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 sight ed six miles north of town.” No “Post number 10. No tornado sighted.” Y es “ Out of gas on I-95 at[...]

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 Confidential information 10-36 Cor rect time is 10-37 Wrecker needed a t 10-38 A mbulance needed 10-39 Message delivered 10-41 Turn to channel 10-42 Tr affic ac[...]

Limited Two Y ear W arranty 25 NW ST Specifications 33 32 GENERAL CHANNELS. . . . . . . . . . . . . . . . . . . . . . . CB - 40 CH FREQUENCY RANGE. . . . . . . . . . . . . . . CB - 26.965 T O 27.405 MHZ FREQUENCY T OLERANCE. . . . . . . . . . 0.005 % FREQUENCY CONTROL . . . . . . . . . . . . PLL (PHASE LOCK LOOP) SYNTHESIZER OPERATING TEMPER A TURE[...]

Y ou Can Find These Fine Accessories A t 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. Optional Accessories Optional Accessories 35 34 [...]

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 1.773.889.3087 (Press 1 from the main menu) 8:00 am - 8:00 pm,M-F , CST. M a k e check or mo ney or de r [...]

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 Pr o d u c ts for E as ier C o m m u n i c a t i o n .” O pe r ati ng Instr u c ti ons for your C o b r a 25 NW ST Fo r t e c h n i c al as sis ta nce , pl eas e c al [...]

The Citizens Band lies bet w een the shor tw a ve broadcast and 10-meter Ama teur radio bands , and was established by law in 1949. The Class D two-w ay communica tions service was opened in 1959.(CB also includes a Class A citizens band and Class C remote control frequencies.) FCC Regulations FCC regulations permit only “transmissions ” (one p[...]

T hank you for purchasing the Cobra 25 NW ST CB Radio. Properly used, this Cobra product will giv e y ou many years of reliable servic e. SoundT racke r TM “C uts noise coming in...strengthens signals going out.” This P atent pending technolog y dramatically improv es transmission and reception of CB signals. The revolutionary SoundTracker TM S[...]