Cobra Electronics 148 NW ST manuale d’uso

Ho w to Us e Y ou r Co br a 1 4 8 N W S T Contents Features .................................................................................................. 1 The CB Story .........................................................................................A1 FCC Regulations FC C Warnings 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 c a tion. 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 brack[...]

Installation Installation 5 4 Note Connecting to an accessory fuse prevents the unit from being lef t on accidentall y , and also per - mits operating the unit without running the engine. Note In positive ground vehicles the red wire goes to the chassis and the black wire is connec ted t o the ignition switch. Note Before installing the CB radio , [...]

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 adequate, 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 cord, ant enna and micr o- 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 / O ff V olum 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 illumina ted . Operation 11 Operation 10 S-Meter T o Receive 1 T o Receive T he S/RF-SWR-CAL switch must be in the S/RF position to read the meter . 1 S-Meter Swings proportiona tely to strength of incoming signal when receiving. The SoundT racker TM Sy stem While previous system[...]

Operation Operation 13 12 Activating SoundTracker ™ Push and release the ST button. R ed LED is illuminated when SoundTracker™ is turned on. 1 Activating SoundT racker™ NB-ANL/ANL/ OFF (Noise Blanker / Automatic Noise Limiter) Switch Hi/Low/ Tone Control Hi/Low T one Control Note The RF Noi se B l a n k er is v e ry e f fe ct i v e in reduci [...]

Operation Operation 15 14 RF Gain Control RF Gain Control T he RF Gain is used to optimize reception in strong or weak signal areas . Dimmer Control Dimmer Control C ontrols the brightness of the front panel,signal strength meter and channel displa y Note The RF Gain is used to optimiz e reception in weak signal areas. Rotate the RF Gain knob count[...]

F ull clockwise rotation closes the ga te allowing only very strong signals to en ter . 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 . This is the DSS setting. Setting Squelch Squelch is the “ control ga t e” for incomin[...]

While holding mic button adjust the SWR CAL knob so the meter needle swings to the CAL ▼ mark on the meter (lo cated on the right). If optimum signal is not achie v ed (less than 3) a slight adjustment to the length of the an tenna must be made. Recalibrate. R epeat the same steps on Channel 1 and 40. C ontinue holding the mic button and turn the[...]

Setting Dynamike This controls the microphone sensitivit y (outgoing audio le v el). T o Transmit 21 T o Transmit Setting Dynamike 20 T ransmit RF Meter Caution! Be sure the antenna is proper ly connected to the radio befor e transmitting. Pr olonged trans- mitting without an antenna,or a po orly matched antenna, could cause damage to the transmitt[...]

Operation Operation 23 22 External Speaker External Sp eaker The ext ernal speaker jack is used for remote receiver monitoring. Note The external speaker should have 8-ohm impedance and b e rated to handle at least 4.0 watts. When the e xternal speak - er is plugged in,the internal speaker is automatically discon- nected. Note Cobra external speake[...]

Operation Operation 25 24 Push and hold microphone button and speak in a normal voic e. Y our voice will now transmit on the PA speaker . Adjust P A speaker volume with the Dynamike control. 3 4 Base Station Operation (From 120V AC House Current) Base Station Operation (From 120V AC House Current) To opera te your transceiver from home or offic e y[...]

27 T emporary Mobile Set-Up 26 T emporar y Mobile Set-Up T emporary Mobile Oper ation F or temporary mobile oper ation you may want t o purchase an optional cigarette ligh ter adapter from your COBRA dealer . T his adapter and a mag - netic mount ant enna allow you to quickly “ install ” your transceiver for temporary use . C onnect properly in[...]

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.” No “Post number 10. No tornado sighted.” Y es “ Out of gas on I-95 a[...]

Frequency Ranges How Y our CB Can Serve Y ou 31 30 Co de Meaning 10-29 Time is up for contac t 10-30 Does not conform to FCC rules 10-33 Emergency traffic 10-34 Tr ouble at this station 10-35 Confidential information 10-36 Corr ect time is 10-37 W recker needed a t 10-38 Ambulance needed 10-39 M essage delivered 10-41 T urn to channel 10-42 T raffi[...]

Limited One Y ear W arranty 148 NW ST Specifications 33 32 G E N E RA L C H A N N E L S. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 AM, 40 LSB , 40 US B FREQUE NCY R A N G E. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

Y ou Can Find T hese 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. 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 o rd er [...]

1 4 8 N W S T Cobra Electronics Corporation 6500 W est Cortland Street Chicago, IL60707 Cobra Electronics Corp.© 1999 Printed in China Part No. 480-301-P-001 CB Radio “Ing eniou s Pro 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 I nstr u c tions for your C o b r a 148 NW ST F or t e c h n i c al a ss is ta nce , ple ase c a[...]

The Citizens Band lies bet w een the shor twa 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 par[...]

T hank you for purchasing the Cobra 148 NW ST CB Radio. P roperly used, this Cobra product will give you many years of reliable servic e. SoundT racker TM “C uts noise coming in...strengthens signals going out.” This P atent pending technolo gy dramatically improv es transmission and reception of CB signals. The rev olutionary SoundTracker TM S[...]

Notes Notes Notes N otes 148 NW ST manual 3.3 6/15/99 3:12 PM Page 43[...]