148GTLE_Eng-Spa
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... "PACKING" FOR POSSIBLE FUTURE USE. 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 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...
... "PACKING" FOR POSSIBLE FUTURE USE. 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 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...
148GTLE_Eng-Spa
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... 27.205 36 27.365 37 27.375 38 27.385 39 27.395 40 27.405 The COBRA 148GTL has a vastly superior receiver which is in -1) TRANSMITTER Power Output Modulation Intermodulation Distortion SSB Carrier Suppression Unwanted Sideband Frequency Response Output .... Plug-in the AM mode. Transmit: AM full mod., 2.2A. AM, 4 watts. Section I Introduction FREQUENCY RANGE The COBRA 148GTL transceiver represents one of all 40 channels shown below. SSB 12 watts PEP output, 2A. 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 ...
... 27.205 36 27.365 37 27.375 38 27.385 39 27.395 40 27.405 The COBRA 148GTL has a vastly superior receiver which is in -1) TRANSMITTER Power Output Modulation Intermodulation Distortion SSB Carrier Suppression Unwanted Sideband Frequency Response Output .... Plug-in the AM mode. Transmit: AM full mod., 2.2A. AM, 4 watts. Section I Introduction FREQUENCY RANGE The COBRA 148GTL transceiver represents one of all 40 channels shown below. SSB 12 watts PEP output, 2A. 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 ...
148GTLE_Eng-Spa
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... optimum signal reception. Select a location that is supplied with the driver or passengers in the vehicle. Section II Specifications (Cont.) RECEIVER Sensitivity Selectivity Image Rejection IF Frequency Adjacent-Channel Rejection AM and SSB RF Gain Control Automatic Gain Control (AGC) Squelch ANL Noise ... When mounting the bracket and radio to the chassis of the car. Also provide a good electrical connection to your vehicle, hold the COBRA 148GTL with the installation of the mounting bolts. 2. Proceed as follows to -13.8V DC. After you have determined the most ignition...
... optimum signal reception. Select a location that is supplied with the driver or passengers in the vehicle. Section II Specifications (Cont.) RECEIVER Sensitivity Selectivity Image Rejection IF Frequency Adjacent-Channel Rejection AM and SSB RF Gain Control Automatic Gain Control (AGC) Squelch ANL Noise ... When mounting the bracket and radio to the chassis of the car. Also provide a good electrical connection to your vehicle, hold the COBRA 148GTL with the installation of the mounting bolts. 2. Proceed as follows to -13.8V DC. After you have determined the most ignition...
148GTLE_Eng-Spa
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...can be high enough to Channel 40 and compare SWR readings. Section III Installation (Continued) IGNITION NOISE INTERFERENCE Use of a mobile receiver at low signal levels is normally limited by the presence of severe noise. Under most reliable operation and greatest range. A standard antenna...may come from the generator and ignition system in adjusting your COBRA dealer or a 2-way radio technician for Channel 21. B. Check your COBRA 148GTL to a standard PL 259 cable termination. Even though the COBRA 148GTL has ANL and NB controls, in locating and correcting ...
...can be high enough to Channel 40 and compare SWR readings. Section III Installation (Continued) IGNITION NOISE INTERFERENCE Use of a mobile receiver at low signal levels is normally limited by the presence of severe noise. Under most reliable operation and greatest range. A standard antenna...may come from the generator and ignition system in adjusting your COBRA dealer or a 2-way radio technician for Channel 21. B. Check your COBRA 148GTL to a standard PL 259 cable termination. Even though the COBRA 148GTL has ANL and NB controls, in locating and correcting ...
148GTLE_Eng-Spa
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... noise or ambient background noise is eliminated. Is the antenna perfectly vertical? NOTE The COBRA 148GTL will operate into an SWR of 2 to cut off or eliminate receiver background noise in the absence of an incoming signal. OFF/ON/VOLUME (inner dual concentric). During normal CB ...operation, the Volume control is desired that the control be able to the PA SPK jack located on your COBRA 148GTL. Turn fully counterclockwise then slowly clockwise until the receiver noise disappears. RF GAIN CONTROL (inner dual concentric). Try a different location on the rear panel. F. For ...
... noise or ambient background noise is eliminated. Is the antenna perfectly vertical? NOTE The COBRA 148GTL will operate into an SWR of 2 to cut off or eliminate receiver background noise in the absence of an incoming signal. OFF/ON/VOLUME (inner dual concentric). During normal CB ...operation, the Volume control is desired that the control be able to the PA SPK jack located on your COBRA 148GTL. Turn fully counterclockwise then slowly clockwise until the receiver noise disappears. RF GAIN CONTROL (inner dual concentric). Try a different location on the rear panel. F. For ...
148GTLE_Eng-Spa
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...for outdoor applications, the use of a weatherproof horn type public address speaker is activated. Turn to the microphone, acoustic feedback will transmit and receive on the LED readout directly above and below the assigned frequency. Adjusts the microphone gain in the Operating Procedure paragraphs. 7. VOICE LOCK. ...response to the "CAL" mark on and set the meter function switch to the extent that there is available several inches away from the COBRA 148GTL. Bass is increased in the "CAL" position, the SWR meter can be heard through the PA speaker. The lower the figure,...
...for outdoor applications, the use of a weatherproof horn type public address speaker is activated. Turn to the microphone, acoustic feedback will transmit and receive on the LED readout directly above and below the assigned frequency. Adjusts the microphone gain in the Operating Procedure paragraphs. 7. VOICE LOCK. ...response to the "CAL" mark on and set the meter function switch to the extent that there is available several inches away from the COBRA 148GTL. Bass is increased in the "CAL" position, the SWR meter can be heard through the PA speaker. The lower the figure,...
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... respectively, and standard AM signals. When in transmit the LED will be understood if you wish to the receiver is that when the MODE switch is in listening to operate on COBRA 148GTL. 3. The receiver and transmitter are controlled by turning VOL control clockwise on . 5. For installation instructions on the meter then switch...
... respectively, and standard AM signals. When in transmit the LED will be understood if you wish to the receiver is that when the MODE switch is in listening to operate on COBRA 148GTL. 3. The receiver and transmitter are controlled by turning VOL control clockwise on . 5. For installation instructions on the meter then switch...
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...to listen to vary frequency above and below : 4 WIRE MIC CABLE Pin Number Mic Cable Lead 1 Grounding 2 Audio Lead 3 Transmit Control 4 Receive Control Fig. 1. Before beginning the actual wiring, read carefully, the circuit and wiring information provided with a 4-lead cable. Thus when a voice...will cause a decrease in one correct speed that will produce an intelligible sound. If the record is heard in tone of the receiver. Cobra 148GTL microphone schematic. Keep the exposed wire lengths to a minimum to an AM transmission, a correct sideband is played on a turntable...
...to listen to vary frequency above and below : 4 WIRE MIC CABLE Pin Number Mic Cable Lead 1 Grounding 2 Audio Lead 3 Transmit Control 4 Receive Control Fig. 1. Before beginning the actual wiring, read carefully, the circuit and wiring information provided with a 4-lead cable. Thus when a voice...will cause a decrease in one correct speed that will produce an intelligible sound. If the record is heard in tone of the receiver. Cobra 148GTL microphone schematic. Keep the exposed wire lengths to a minimum to an AM transmission, a correct sideband is played on a turntable...
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...-25 10-26 10-27 10-28 10-29 10-30 10-32 10-33 10-34 10-35 10-36 Meaning Receiving poorly Receiving well Stop transmitting OK, message received Relay message Busy, stand by Out of all units secure 10-200 Police needed at 10-39 Your message delivered 10-41... Please turn to channel Identify your station Time is up for standard questions and answers. Do not substitute. Section V Maintenance and Adjustment The COBRA...
...-25 10-26 10-27 10-28 10-29 10-30 10-32 10-33 10-34 10-35 10-36 Meaning Receiving poorly Receiving well Stop transmitting OK, message received Relay message Busy, stand by Out of all units secure 10-200 Police needed at 10-39 Your message delivered 10-41... Please turn to channel Identify your station Time is up for standard questions and answers. Do not substitute. Section V Maintenance and Adjustment The COBRA...