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Cobra 89XLR User Manual

Cobra 89XLR
26 pages
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Cobra
89XLR
40-Channel
Solid
State
Citizens
Band
2-Way
Radio
Base
Station
Cobra Communications Product
Group
6460
W.
Cortland Street
Chicago,
Illinois
60635
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Cobra 89XLR Specifications

General IconGeneral
Frequency Range26.965 - 27.405 MHz
Channels40
ModulationAM
Power Output4 Watts
Dimensions7 1/4" (W) x 8 5/8" (D) x 2 1/4" (H)
Weight3 lbs. 8 oz.
RF Power Output4 Watts
Antenna Impedance50 Ohms
Power Supply13.8 VDC

Summary

Section I: Introduction

Frequency Range

Lists the 40 channels and their frequencies in MHz.

FCC Warning

Details FCC regulations and warnings for operating the transceiver.

Section II: Specifications

General Specifications

Outlines general technical details like channels, frequency, power source, and size.

Transmitter Specifications

Details power output, modulation, and frequency response of the transmitter.

Receiver Specifications

Details sensitivity, selectivity, image rejection, and audio output of the receiver.

Section III: Installation

Location

Factors to consider when choosing a location for the transceiver.

Base Station Antenna

Guidance on selecting and tuning a base station antenna for optimal performance.

Mobile Operation and Emergency Power

Instructions for operating the unit using an external DC power supply.

Public Address System

How to connect an external speaker for PA functionality.

Remote Speaker

Connecting an external speaker for monitoring receiver audio.

Alternate Microphones and Installation

Guidelines for selecting and wiring compatible microphones.

Section IV: Operation

Control Functions

Explains the purpose and usage of all front panel controls and switches.

Indicator Functions

Describes the function of the S-meter, RF meter, modulation meter, and channel indicator.

Operating Procedure to Receive

Step-by-step instructions on how to set up the radio for receiving.

Operating Procedure to Transmit

Step-by-step instructions on how to transmit using the radio.

Section V: Maintenance and Adjustment

Section VI: Appendix

10 Code

A list of common CB radio codes and their meanings.

Rules for CB Operation

Essential rules and etiquette for operating CB radio legally and courteously.

How Your CB Can Serve You

Examples of the practical uses and benefits of CB radio.

Use Channel 9 for Emergency Messages

Guidelines for using Channel 9 for emergency communications.

Warranty Service Instructions

Procedures for obtaining warranty service and repairs.

90-Day Limited Warranty

Details the terms and conditions of the 90-day limited warranty provided.

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