Page 2 - Mounting and Connection; Hold the radio with the mounting bracket in; Location; continued
Installation Installation Location 3 2 Mounting andConnection Mounting and Connection Hold the radio with the mounting bracket in the exact desired lo cation. If there is no in ter-ference, remove the bracket and use it as atemplate to mark the lo cation for the mount-ing screws. Location Plan locat...
Page 3 - Connect the black lead to the negative side of
Installation Installation 5 4 Note Connecting to an accessory fuseprevents the unit from being lef ton accidentally, and also per -mits operating the unit withoutrunning the engine. Note In positive ground vehicles thered wire goes to the chassis andthe black wire is connec ted tothe ignition switch...
Page 4 - CB Antenna
Ignition Noise Interference Antennas Use of a mobile receiver at low signal levels isnormally limited by the presence of electricalnoise. The primary source of noise in automobilesis from the alterna tor and ignition system.Typically, when signal level is adequate, the back-ground noise does not pre...
Page 5 - The CB/PA button should be in the; Operation; Turning On; Select
The CB/PA button should be in the CB position. Operation 9 Operation Turning On Setting ChannelSelector 8 Turning On Make sure the p ower cord, antenna and micro-phone are connected to their proper connec torsbefore starting. Setting Channel Selec tor 2 1 Ro t ate the On/Off Volume knob c l oc kw i ...
Page 6 - To Receive; The SoundTracker; How SoundTracker; Works; On Reception - “Cuts noise coming in”; On Transmission - “Strengthens signals going out ”
Rotate the On/Off Volume knob clockwise the green RT/TX LED will be illuminated. Operation 11 Operation 10 S-Meter To Receive 1 To Receive The S/RF-SWR-CAL switch must be in the S/RF position to read the meter. 1 S-Meter Swings proportionately to strength of incomingsignal when receiving. The SoundT...
Page 7 - Push and release the ST button. Red LED; Activating SoundTrackerTM
Operation Operation 13 12 ActivatingSoundTracker ™ Push and release the ST button. Red LED is illuminated when SoundTracker™ is turned on. 1 Activating SoundTracker™ NB-ANL/ANL/OFF (NoiseBlanker /AutomaticNoise Limiter)Switch Hi/Low/ ToneControl Hi/Low Tone Control Note The RF Noise Bl a n ker is ve...
Page 8 - RF Gain Control; Dimmer Control; Rotate the RF Gain knob counterclockwise; Voice Lock; to R o t at e to c l ar i fy r e ce i ve r ’s f re q u e n c i e s
Operation Operation 15 14 RF Gain Control RF Gain Control The RF Gain is used to optimize reception instrong or weak signal areas . Dimmer Control Dimmer Control Controls the brightness of the front panel,signalstrength meter and channel display Note The RF Gain is used to optimiz ereception in weak...
Page 9 - Squelch is the “control gate” for incoming signals.; Setting Squelch
Full clockwise rotation closes the ga te allowing only very strong signals to enter. To achieve the Desired Squelch Setting (DSS),turn the Squelch control counterclockwiseuntil you hear noise. Now turn the controlclockwise just until the noise stops . This is theDSS setting. Setting Squelch Squelch ...
Page 10 - Push and hold mic button.
While holding mic button adjust the SWR CAL knob so themeter needle swingsto the CAL ▼ mark on the meter (lo cated on the right). If optimumsignal is not achie ved (less than 3) a slightadjustment to the length of the antenna mustbe made. Recalibrate. Repeat the same steps on Channel 1 and 40. Conti...
Page 11 - To Transmit; Select desired channel.; Transmit
Setting Dynamike This controls the microphone sensitivit y(outgoing audio level). To Transmit 21 To Transmit SettingDynamike 20 Transmit RF Meter Caution! Be sure the antenna is proper lyconnected to the radio beforetransmitting. Prolonged trans-mitting without an antenna,ora poorly matched antenna,...
Page 12 - External Speaker; Connect an external speaker to the external
Operation Operation 23 22 External Speaker External Speaker The external speaker jack is used for remotereceiver monitoring. Note The external speaker shouldhave 8-ohm impedance and b erated to handle at least 4.0watts. When the external speak-er is plugged in,the internalspeaker is automatically di...
Page 13 - Adjust PA speaker volume with the
Operation Operation 25 24 Push and hold microphone button and speakin a normal voic e. Your voice will now transmiton the PA speaker. Adjust PA speaker volume with the Dynamike control. 3 4 Base StationOperation(From 120V ACHouse Current) Base Station Operation(From 120V AC House Current) To operate...
Page 14 - Temporary Mobile Set-Up; Temporary Mobile Operation; How Your CB Can Serve You; Set to channel 9 for emergencies; C all Sign; Give details and help needed.; A Few Rules You Should Know
27 Temporary Mobile Set-Up 26 TemporaryMobile Set-Up Temporary Mobile Operation For temporary mobile oper ation you may want topurchase an optional cigarette ligh ter adapterfrom your COBRA dealer. This adapter and a mag-netic mount antenna allow you to quickly “install”your transceiver for temporar...
Page 15 - Permitted Example Message
How Your CB Can Serve You How Your CB Can Serve You 29 28 The FCC gives these examples of permitted andprohibited messages for channel 9. These areonly guidelines and not all-inclusive: Permitted Example Message Yes “ Tornado sighted six miles north of town.” No “Post number 10. No tornado sighted.”...
Page 18 - Optional Accessories
You Can Find These Fine Accessories At Your Local Cobra CB Dealer If you wish, you can order directly from Cobra. Order by phoneCall 1.773.889.3087 (Press 1 from the main menu) 8 a.m.-8 p.m. M-F CST. Order by mail or faxPlease fill out order form on ne xt page, and mail/fax directly to Cobra. Option...
Page 19 - Accessory Order Form
Accessory Order Form 36 Tax TableIllinois 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 ...
Page 20 - CB Radio; If You Think You Need Service
148 NW ST Cobra Electronics Corporation6500 West Cortland StreetChicago, IL60707 Cobra Electronics Corp.© 1999Printed in China Part No. 480-301-P-001 CB Radio “Ingenious Prod u cts for Easier Co m m u n i cat i o n .” O pe rating Instru ctions for your Co b ra 148 NW ST For te c h n i cal assistance...
Page 21 - The CB Story
The Citizens Band lies bet ween the shortwavebroadcast and 10-meter Amateur radio bands,and was established by law in 1949. The Class Dtwo-way communications service was opened in1959.(CB also includes a Class A citizens band and Class C remote control frequencies.) FCC Regulations FCC regulations p...
Page 22 - SoundTracker; The revolutionary SoundTracker; Customer Support; Controls and Indicators; Our Thanks to You
Thank you for purchasing the Cobra 148 NW STCB Radio. Properly used, this Cobra product willgive you many years of reliable servic e. SoundTracker TM “Cuts noise coming in...strengthens signals going out.” This Patent pending technology dramaticallyimproves transmission and reception of CB signals. ...
Page 23 - Notes
Notes Notes Notes Notes 148 NW ST manual 3.3 6/15/99 3:12 PM Page 43