Cobra 148 GTL Support Question
Cobra 148 GTL Support Question
Find answers below for this question about Cobra 148 GTL.Need a Cobra 148 GTL manual? We have 3 online manuals for this item!
Question posted by jfreew07 on December 11th, 2022
The Hole Bazel For M2 148 Cobra
Looking for bazel for m2 148 cobra radio in
Current Answers
Answer #1: Posted by SonuKumar on December 11th, 2022 8:38 PM
SonuKumar
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Related Cobra 148 GTL Manual Pages
148GTLE_Eng-Spa - Page 1
OPERATING INSTRUCTIONS FOR YOUR
40 CHANNEL
CITIZENS BAND SSB/AM 2-WAY MOBILE RADIO
Model 148 GTL
Nothing comes close to a Cobra™
PRINTED IN CHINA
©2002 COBRA ELECTRONICS CORPORATION 6500 WEST CORTLAND STREET CHICAGO, IL 60707 USA
480-046-P
148GTLE_Eng-Spa - Page 2
...contact your Cobra CB Radio System. The Cobra® line of Purchase Dealer Name Keep this manual for Emergency Messages Only 21 How To Use Your
40-CHANNEL, CITIZENS BAND SSB/AM 2-WAY MOBILE RADIO
Model 148 GTL
Contents
..., 20, 21 Ten Code ...19 A few Rules That Should Be Obeyed 20 How Your CB Can Serve You 20 Use Channel 9 for detailed information about your local dealer.
SAVE YOUR ...
148GTLE_Eng-Spa - Page 3
... D station in dynamic; Plug-in the Citizens Radio Service. Receive: Squelched, 0.25A Maximum audio output, 0.6A. 2 3/8"(H) x 7 7/8"(W) x 9 1/4"(D). (6 cm (H) x 20 cm (W) x 23.5 cm (D)). 5 lbs. (2.27 kg). Meter shows relative RF output power and SWR. Transmit: AM full mod., 2.2A. Illuminated; Section I Introduction
FREQUENCY RANGE
The COBRA 148GTL transceiver represents one of all 40 channels...
148GTLE_Eng-Spa - Page 4
... internal speaker when connected. When mounting the bracket and radio to -13.8V DC. Connect the antenna cable plug...left on either side of the mounting bolts.
2. Most CB antennas are terminated with a type PL-259 plug and mate...black lead to your vehicle, hold the COBRA 148GTL with the driver or passengers in...the engine running.
Before drilling the holes, make sure it in the vehicle...
148GTLE_Eng-Spa - Page 5
... Installation (Continued)
TUNING THE ANTENNA FOR OPTIMUM SWR
Since there is tapped. Consult your COBRA 148GTL to a good metal electrical ground in a boat, the transceiver will not operate...).
7 When installed in the vehicle. Start with a pliers. Set your COBRA dealer or a 2-way radio technician for applications where the maximum possible distance is nondirectional. Be very careful ...
148GTLE_Eng-Spa - Page 6
... and speaker is disconnected. Try a different location in the absence of your neighborhood. NOTE
The COBRA 148GTL will operate into an SWR of 2 to cut off or eliminate receiver background noise in your COBRA 148GTL.
During normal CB operation, the Volume control is used to be slightly stronger than the average received noise...
148GTLE_Eng-Spa - Page 7
...safety of life of individuals or immediate protection of operation. In the PA mode, incoming CB transmission will determine the minimum amount of isolation required for a further explanation of a weatherproof...figure, the better, with SSB, the AM mode is available several inches away from the COBRA 148GTL. The selected channel appears on and set the meter function switch to the transceiver ...
148GTLE_Eng-Spa - Page 8
... LED indicator is decreased. PRESS-TO-TALK MICROPHONE. The radio comes complete with 100% of transmission.
2.
Set the ...CB position and turn unit on by pressing the (PTT) mic switch, and adjust the SWR control to the "CAL" mark on the meter then switch to the receiver is that the power source, microphone and antenna are connected to the proper connectors before going to operate on COBRA...
148GTLE_Eng-Spa - Page 9
... characteristic.
Strip the ends of the leads.
The audio conductor and its shielded lead comprise two of each wire 1/8" (2 mm) and tin the exposed wire. Cobra 148GTL microphone schematic. If the incorrect mode is tuned to the intelligence, unless the SSB receiver is selected, an increase in tone of speed control...
148GTLE_Eng-Spa - Page 10
... the housing to the pins as viewed from the back of the screw clearance hole in the plug housing with the threaded hole in the transceiver.
17 The wires must now be tightened to secure the housing...soldering. When these are made first and then the connections to the threaded hole in a stationary position by inserting it should secure to the insulation jacket of solder and be required...
148GTLE_Eng-Spa - Page 11
... 10-64 Net clear 10-65 Awaiting your local dealer.
18
Section VI Appendix
Citizens Band radio operators have largely adopted the "10-code" for us? Should a failure occur, however, .... NOTE If the performance described in mobile installations. Section V Maintenance and Adjustment
The COBRA 148GTL transceiver is 10-91 Talk closer to Stand by Talking too rapidly Visitors present Advise...
148GTLE_Eng-Spa - Page 12
... destination. • Help law enforcement officers by over-powering them with another station for use your CB. 6.
"I am out of town."
"There is a four-car collision at a time without ...Traffic is observation post number 10. These are guidelines and are not allowed to use the CB to be all motorists.
No tornado sighted." The Weather Bureau advises that the snow tomorrow ...
Circuit Diagram - Page 2
...72,73,100 C-18,74,153,176 C-186 C-175 - BILL OF MATERIAL FOR COBRA 148GTL
CIRCUIT SYMBOL
IC-1 IC-2 IC-3 IC-4 - IC-5 IC-6
FET-1 FET...,66,78,89,93,
114,119,123,124,126,
131,132,142,145,148,
149,152,154,157,161,
203
R-39,98
-
11-128
Resistor, ...MODE/METER
Switch, Rotary, SW-067, NB/ANL
Switch, Rotary, SW-056, PA-CB, DIM, TONE
Speaker, SP-050
Meter, MT-158
Microphone, MK-091
Jack, Antenna...
Circuit Diagram - Page 3
...16,19,22,23,
32,49,53,66,78,89,93,
114,119,123,124,126,
131,132,142,145,148,
149,152,154,157,161,
203
R-39,98
R-128
Resistor, Carbon.Film, Resistor, Carbon Film, Resistor, Carbon ... SW
Switch, Rotary, SR-205, MODE/METER
Switch, Rotary, SW-067, NB/ANL
Switch, Rotary, SW-056, PA-CB, DIM, TONE
Speaker, SP-050
Meter, MT-158
Microphone, MK-091
Jack, Antenna, JK-068
Jack, Microphone, JK-...
Circuit Diagram - Page 1
...
Rota: %Rolston. T4700P
_,1 591
N 4 01.1M/3W ...
50402 OH/OFF
/77 14.!:
05
12401 .022u c
i1001 0402 =OP
_ 04ail
TITLE:
148GTL-ST CIRCUIT DIAGRAM FOR COBRA
PREPARED: S K.CNEUNG
- Ald_
OFF
snaz 454 I 0.047Un T7
R45 1.2
0241
MO
015
0113
157
7.9MHZ MIXER
TP9
152473
470tH
T77
• /77
AM AF AMP...
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