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Uniden 310e User Manual

Uniden 310e
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unioen@
PRO 310e
Portable/
MobileCB radio
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Uniden 310e Specifications

General IconGeneral
Channels40
RF Power Output4 Watts
Power Supply13.8 VDC
Frequency Range26.965 MHz - 27.405 MHz
ModulationAM
AntennaExternal

Summary

Introduction

Warning Regarding Radio Licence

Obtain a Department of Communications (D.O.C.) Citizens Radio Licence before transmitting.

Installation

Mobile Installation

Plan radio and microphone bracket placement for convenient operation.

Mobile Antenna Installation

Install magnetic mount base and screw-in antenna for maximum range and proper grounding.

Connecting Power

Connect power cord to unit and cigarette lighter or fuse block, ensuring correct vehicle ground.

Vehicle Ground Information

Identify vehicle ground system (negative/positive) for correct power connection.

Positive Ground System Wiring

Wire directly to fuse block, connecting black lead to negative terminal and red to chassis.

Cord Holder Installation

Securely fasten cord holder by sliding it into bottom grooves, matching key (A) with notch (B).

Portable Use

Unit operates on battery power; snap-on pack provides portable CB for outdoor use.

Installing Batteries and Battery Pack

Insert 8 'AA' batteries into pack. Slide pack onto radio until it snaps into place.

Connecting Portable Antenna

Unscrew telescopic antenna from base and screw into unit's connector for portable use.

HI/LOW Transmission Power

Select HI for longer range or LOW for increased battery life and shorter range.

Controls and Functions

Instant CH 9 Selection

Select CH 9 for instant emergency channel access; switch back for normal 40 channel operation.

TX Indicator LED

LED lights to indicate when the radio is transmitting.

Battery Low LED Indicator

Lights when batteries in the snap-on pack need replacement.

Built-in Microphone

Professional quality microphone with push-to-talk switch on the unit's side.

Channel Display

Large LED display shows the currently selected channel.

Channel Selector Controls

Use Up/Down keys to select channels; press once for one channel, hold for rapid change.

Channel 9 Usage Regulations

Channel 9 is reserved for emergency communications and assistance to motorists.

Squelch Control Adjustment

Eliminates background noise; rotate counter-clockwise until noise disappears, then slightly clockwise.

Volume and Power Control

Turn unit on and adjust listening volume with this control.

HI/LOW Switch Function

Select LOW for shorter range/battery conservation; HI for longer range.

Power Cord Details

Includes cigarette lighter plug and fuse for power connection.

Magnetic Mount Antenna

Telescopic antenna with magnetic base and 16' coaxial cable connects directly to unit.

Portable Antenna Connector

Female connector for attaching the telescopic antenna for portable use.

Mobile Antenna Connector

Connects coaxial cable from magnetic mount antenna for mobile use.

Power Connector

Connects the fused cigarette lighter power cord.

Snap-on Battery Pack

Provides battery power for portable use; essential for vehicle trouble or outdoor communication.

Cord Holder

Prevents antenna and power cords from becoming loose.

Protective Case

Attractive vinyl case for storing all components neatly when not in use.

Operation

Operating Procedure: Receive

Connect power, antenna, mic. Turn on, set channel, volume, and squelch for clear reception.

Operating Procedure: Transmit

Read D.O.C. rules, check HI/LOW, select channel, depress PTT, and speak clearly.

Important Notice on Battery Power

Transmit power may be lower with battery pack; use quality batteries (NiCad recommended) for best results.

Specifications

Specifications: Frequency Range

26.965 to 27.405 MHz.

Specifications: Frequency Control

Phase Locked Loop (PLL) synthesizer.

Specifications: Microphone

Built-in type: electric.

Specifications: Input Voltage

12.0 VDC nom. (-ground).

Specifications: Current Drain

TX: full mod., 1.4A; RX: with max audio output, 0.5A.

Specifications: Size

25/8"W x 11/2"D x 51/2"H.

Transmitter: Power Output

Selectable HI or LOW.

Transmitter: Modulation

Class B amplitude modulation.

Transmitter: Output Impedance

50 ohms, unbalanced.

Receiver: Sensitivity

0.7µV for 10dB; (S + N)/N typical.

Receiver: Selectivity

6dB @ 7KHz, 70dB @ 10KHz typical.

Receiver: I.F. Frequency

Double Conversion Superheterodyne, 1st 10.695 MHz, 2nd 455 KHz.

Receiver: Automatic Gain Control

AGC: less than 10dB change for inputs from 10 to 50,000 microvolts.

Receiver: Squelch

Adjustable; threshold less than 1 µV.

Receiver: Audio Output Power

0.5 watts max. into 8 ohms.

Receiver: Distortion

Less than 10% at 0.4 watts, 1000Hz.

Receiver: Internal Speaker

16 ohms, 0.4 watts round.

Servicing Your CB

Consult qualified technician for service/alignment. Specify model/serial number when ordering parts.

Trouble Shooting

Troubleshooting: No Power

Check power cord, fuse, vehicle electrical system, and battery pack connection/charge.

Troubleshooting: Poor Reception

Check/adjust Squelch, antenna system, cable, connectors, and ensure antenna is fully extended.

Troubleshooting: Weak Transmission

Check antenna system, cable, connectors, grounding, and for corrosion on connectors.

Warranty

Two Year Limited Warranty

UNIDEN warrants product free from defects for two years from original purchase date.

Warranty Elements and Limitations

Covers all components. Exclusions apply for damage, improper maintenance, modification, or installation.

Warranty Remedy

Warrantor will repair defects or replace product at discretion without charge.

Obtaining Warranty Service

Ship product prepaid with original sales receipt or valid evidence of purchase date.

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