Cobra 148 GTL 148-GTL User Manual

Product codes
148-GTL
Page of 24
Serial No.
Date of Purchase
Dealer Name
Keep this manual for detailed information 
about your Cobra CB Radio System.
SAVE YOUR SALES RECEIPT, THE 
CARTON AND “PACKING” FOR 
POSSIBLE FUTURE USE.
If You Think You Need Service, 
please contact your local dealer.
The Cobra
®
line of quality products includes:
CB radios
microTALK
®
radios
Radar/Laser Detectors
GPS
Safety Alert
®
Traffic Warning Systems
Accessories
HighGear
™ 
Accessories
How To Use Your
40-CHANNEL, 
CITIZENS BAND 
SSB/AM 2-WAY MOBILE RADIO
Model 148 GTL
Contents
Page
Section I: Introduction ..........................................................................................2
Section II: Specifications ....................................................................................3, 4
Section III: Installation ..............................................................................5, 6, 7, 8
Section IV: Operation........................................................................................9-17
Controls and Indicators ..........................................................................................9
A.Control Functions....................................................................................9, 10, 11
B.Indicator Functions ............................................................................................12
Operating Procedure to Receive ..........................................................................12
Operating Procedure to Transmit ..........................................................................13
Receiving SSB Signals ....................................................................................13, 14
Alternate Microphones and Installation ....................................................15, 16, 17
Section V: Maintenance and Adjustment ........................................................18-21
Section VI: Appendix ................................................................................19, 20, 21
Ten Code ..............................................................................................................19
A few Rules That Should Be Obeyed ....................................................................20
How Your CB Can Serve You ................................................................................20
Use Channel 9 for Emergency Messages Only ......................................................21