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A3 English

Microphone and Features

A2 English

Controls and Indicators

Introduction

Introduction

Features

Microphone

Controls and Indicators

- -

4

341 Operating Frequencies

Allows operation on all 

available frequencies.

- -

4

15 Watts Output Power

Provides maximum 

power on AM and FM.

- -

4

Dual Finals

Provides steady output power.

- -

4

Dual Power

Allows operation on Low and 

High power.

- -

4

SWR Calibration

Allows measurement and adjustment

of the antenna system.

- -

4

Antenna Warning Indicator

Illuminates when the antenna system

needs repair or adjustment.

- -

4

Echo Control

Allows control of echo effect.

- -

4

Talk-Back Control

Allows user to monitor 

feedback of output signal.

- -

4

Large Analog Meter

Provides high visibility of 

status meter.

- -

4

NightWatch™ Panel

Electroluminescent illumination of 

front panel for night operation.

- -

4

4 Pin Front Mic Connector

Allows convenient installation 

in-dash.

- -

4

Frequency Counter Jack

Allows connection of a 6-digit

frequency counter.

- -

4

Mic Gain Control

Allows increased voice clarity by

dynamically boosting microphone.

This Cobra radio has a superior receiver that includes an RF gain control and noise 

blanker circuitry as well as an automatic noise limiter. The receiver also features 

increased protection against cross modulation and strong adjacent signals.

To obtain maximum performance, please read carefully the descriptions and 

operating instructions in this manual.

Frequency

Selector

Dim 

(center knob)

SWR CAL

(outer ring)

Analog

Meter

Antenna
Warning

Indicator

Band 

A / B / C / D

PA / AM / FM

RF Power 

Hi / Low

S/RF / SWR / CAL

RX / TX

Indicator

+10 kHz

/ Off

NB/ANL

/ ANL /

Off

Dual 7 

Segment

Frequency

Display

Antenna
Connector

Press-To-Talk

Button (PTT)

External

Speaker

Connector

Public Address (PA)

Speaker Connector

Microphone

Connector

Microphone Gain

(center knob)

RF Gain 

(outer ring)

Power Cord

Connector

Frequency 

Counter Connector

Off / On / Volume

(center knob)

Squelch

(outer ring)

Echo 

(center knob)

Talk Back 

(outer ring)

WARNING

RISK OF ELECTRIC SHOCK. 

DO NOT OPEN. DO NOT REMOVE

COVER OR BACK. NO USER

SERVICEABLE PARTS INSIDE.

REFER TO SERVICING TO

QUALIFIED SERVICE PERSONNEL.

Summary of Contents for 150GTLDX

Page 1: ...A1 Owner s Manual AMATEUR 10 METER MOBILE RADIO 1 50 GTL DX Printed in Philippines Part No 480 216 P Version A Nothing comes close to a Cobra English...

Page 2: ...tion Our Thanks to You Thank you for purchasing a Cobra amateur mobile radio Properly used this Cobra product will give you many years of reliable service FCC License Required The United States Federa...

Page 3: ...nter 4Mic Gain Control Allows increased voice clarity by dynamically boosting microphone This Cobra radio has a superior receiver that includes an RF gain control and noise blanker circuitry as well a...

Page 4: ...luded in this Package 4 Installation and Connection 5 Operation 8 Controls 9 Frequency 12 Indicators 14 Microphone 14 Operating to Receive 15 Operating to Transmit 15 Maintenance 16 Government Regulat...

Page 5: ...3 000 Hz Frequency Tolerance 500 Hz Transmit Distortion 2 Spurious Harmonic Emission 65 dB Output Indicators Meter shows relative RF output power and SWR Transmit LED glows red when transmitter is in...

Page 6: ...or interfere with the installation 2 Connect the antenna cable plug to the standard receptacle ANT on the rear panel Most antennas are terminated with a type PL 259 plug and mate with the receptacle...

Page 7: ...eristic will be observed only at extreme distances A standard antenna connector type SO 239 is provided on the transceiver for easy connection to a standard PL 259 cable termination If the transceiver...

Page 8: ...y to the point where the receiver background noise or ambient background noise is eliminated Turn fully counterclockwise then slowly clockwise until the receiver noise disappears Any signal to be rece...

Page 9: ...you easily measure your antenna condition To operate this function select a frequency near the middle of the range such as 28 850 MHz or the one you plan to use most With the power on set the S RF SW...

Page 10: ...display indicates whether the third value after the decimal point in the frequency is 0 or 5 if the right hand decimal is visible on the display the third value is 5 if it is not visible the third val...

Page 11: ...for the supplied low impedance 500 ohm dynamic microphone see the alternate microphones and installation section on page 17 Operating to Receive To begin operating your radio 1 Be sure the power sourc...

Page 12: ...ca Alternate Microphones and Installation For best results the user should select a low impedance dynamic type microphone or a transistorized microphone Transistorized type microphones have a low outp...

Page 13: ...ng If the microphone jack is used to hold the pin receptacle during soldering operation best results are obtained when the connections to pins 1 and 3 are made first and then the connections to pins 2...

Page 14: ...e fading ARRL Q Signals QSD Is my keying defective Your keying is defective QSG Shall I send ____ messages at a time Send ____ messages at a time QSK Can you hear me between your signals and if so can...

Page 15: ...tion USA Cobra Electronics Corporation is a trademark of Cobra Electronics Corporation USA Product Service If you have any questions about operation or installing your new Cobra product or if you are...

Page 16: ...stems HighGear Accessories CobraMarine VHF Radios Power Inverters Accessories Order Form Name Address No P O Boxes City State Province Zip Postal Code Country Telephone Credit Card Number Type Visa Ma...

Page 17: ...ra line of quality products includes CB Radios microTALK Radios Radar Laser Detectors Safety Alert Traffic Warning Systems Handheld GPS Receivers Mobile GPS Navigation Systems HighGear Accessories Cob...

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