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Motorola GP344 User Manual

Motorola GP344
26 pages
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Professional Radio
GP344
User Guide
68P64110B98
Issue: Nov 2001

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Motorola GP344 Specifications

General IconGeneral
power supply7.5 V
power VHF1-5 W
power UHF 11-4 W
power UHF 21-4 W
average battery life with standard Li-lon battery (low power)>9 hours
average battery life with standard Li-lon battery (high power)>7 hours
average battery life with high capacity Li-lon battery (low power)>13 hours
average battery life with high capacity Li-lon battery (high power)>10 hours
operating temperature-20°C to +55°C
frequencies VHF136-174 MHz
frequencies UHF 1403-470 MHz
frequencies UHF 2450-527 MHz
channel spacing12.5/20/25 kHz
frequency stability±2.5 ppm
modulation limiting @ 12.5 kHz±2.5
modulation limiting @ 20 kHz±4.0
modulation limiting @ 25 kHz±5.0
FM hum & noise-40 dB typical
conducted/radiated emission <1 GHz-36 dBm
conducted/radiated emission >1 GHz-30 dBm
audio response (300-3000Hz)+1 to -3 dB
audio distortion<5% typical
frequencies VHF136-174 MHz
frequencies UHF 1403-470 MHz
frequencies UHF 2450-527 MHz
channel spacing12.5/20/25 kHz
sensitivity (12 dB SINAD) EIA0.35 µV typical
intermodulation EIA-65 dB
adjacent channel selectivity @ 12.5 kHz60 dB
adjacent channel selectivity @ 20/25 kHz70 dB
spurious rejection70 dB
rated audio0.5W
audio response (300-3000 Hz)+1 to -3 dB
Weight and Dimensions IconWeight and Dimensions
dimensions with standard Li-lon battery101.5 x 55.5 x 30.5 mm
dimensions with high capacity Li-lon battery101.5 x 55.5 x 35.5 mm
weight with standard Li-lon battery250 gm
weight with high capacity Li-lon battery270 gm

Summary

Radio Overview

Operation and Control Functions

Covers the basic functions and controls of the radio unit.

Programmable Buttons

Explains how radio buttons can be programmed for specific features.

Audio Signal Tones

Explains the different audio tones used by the radio and their meanings.

Getting Started

Battery Information

Information about the radio's battery, including care and tips.

Recycling or Disposal of Batteries

Information and recommendations for environmentally responsible battery disposal.

Charging the Battery

Instructions and tips on how to properly charge the radio's battery.

Attaching the Battery

Step-by-step guide on how to connect the battery to the radio.

Removing the Battery

Step-by-step guide on how to detach the battery from the radio.

Attaching the Antenna

Instructions for correctly fitting the antenna onto the radio.

Removing the Antenna

Instructions for safely detaching the antenna from the radio.

Turning the Radio On or Off

Guide on powering the radio unit on and off.

Adjusting the Radio's Volume

How to control the audio output level of the radio.

Selecting a Radio Channel

Instructions for choosing and changing radio channels.

Sending a Call

Procedures for initiating a transmission to another radio.

Receiving a Call

Steps to follow for listening to incoming transmissions.

Radio Calls

Selective Call

Information on making and receiving private or group calls.

Receiving a Selective Call

How to respond to incoming individual or group calls.

Emergency Call

Instructions on how to use the emergency signaling feature.

Lone Worker

Explains the safety feature for users working alone.

Talkaround

How to communicate directly between radios without a system.

Features

Transmit Power

How to adjust radio transmission power for range and battery conservation.

Whisper

How to enable quiet speaking transmission via the microphone.

Call Forward

How to redirect incoming calls to another radio.

Voice Operated Transmit (VOX)

How to use hands-free transmission with a compatible headset.

Scan

Starting or Stopping Scan

Steps to initiate and terminate the channel scanning process.

Talkback

How to respond to calls received during a scan.

Deleting a Nuisance Channel

How to temporarily remove unwanted channels from the scan list.

Adding a Deleted Nuisance Channel Back Into the Scan List

How to re-add previously removed channels to the scan list.

Safety Information

Notes

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