Instruction/ maintenance manual of the product 148 NW ST Cobra Electronics
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Ho w to Us e Y ou r Co br a 1 4 8 N W S T Contents Features .................................................................................................. 1 The CB Story .............................................................................
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.
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.
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.
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.
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.
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 Bl.
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.
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 .
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.
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.
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.
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.
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 .
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 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 Confiden.
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.
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.
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 .
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.
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.
Notes Notes Notes N otes 148 NW ST manual 3.3 6/15/99 3:12 PM Page 43.
An important point after buying a device Cobra Electronics 148 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 Electronics 148 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 Electronics 148 NW ST - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cobra Electronics 148 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 Electronics 148 NW ST will certainly help you make a decision on the purchase.
If you already are a holder of Cobra Electronics 148 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 Electronics 148 NW ST.
However, one of the most important roles played by the user manual is to help in solving problems with Cobra Electronics 148 NW ST. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cobra Electronics 148 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
