Maxon TM-4800 User manual

Operating Instructions

TM-4800 Mobile

800 MHz Transceiver

About Your TM-4800 Radio

Maxon's TM-4800 is a sophisticated microprocessor-

controlled transceiver which operates in the 800 MHz range.

Operation and functions for Maxon's TM-4800 radio are

described in this manual.

We urge you to thoroughly read this manual before

operating the radio.

The TM-4800 has been designed for ease of operation.

Many of the functions described in this manual are

dependent on the system in use. Your Maxon Dealer has

programmed the TM-4800 radio to optimize your

requirements.

Should you have any questions regarding the operation of

the radio, please consult your Maxon Dealer.

About Maxon America, Inc.

Maxon America, Inc. designs and manufactures professional

FM two-way radio equipment to serve a wide variety of

communication needs. Maxon produces equipment for the

Land Mobile Radio and Specialized Mobile Radio markets

(business, industrial, government and public safety).

Table of Contents

SECTION I - Model TM-4800 Radio

Safety Information 1

UnpackingInformation 2

InstallationSafeguards 3

TM-4800 Features 4

Quick Reference Guide 5

Description of Radio Components 6

Controls and Connectors 6

Function Keys 8

DisplayInformation 9

TM-4800 Operation 10

TrunkingandConventional Mode 10

ChannelMonitoring 10

System"Handshaking" 10

Transmitting 11

Receiving 12

T/A - Talk-Around 12

Transpond Mode 13

Scan Modes 14

General 14

System Scan 14

System Lockout 14

Group Scan 15

Auto Group Scan 15

Manual Group Scan 16

TransmittingWhileScanning 16

Last Active (Floating) System and Group 16

"Home" System and Group 17

Scan Resume Delay 17

RXPriority 18

First Available System Scan 18

TrunkingSupervisoryTones 19

Busy Tone 19

Intercept Tone 19

Clear-To-Talk 20

Key Press Tone 20

Display Messages 20

Transceiver Service 21

Extended Operations 22

FCC Licensing 23

TM-4800 Product Warranty 24

SECTION II - Model TMA-4474

About Your TMA-4474 Optional Microphone 27

Quick Reference Guide 28

Function Keys 30

Scan Modes 33

Manual System Scan 33

Manual Group Scan 33

TransmittingWhileScanning 34

First Available System Scan 34

TelephoneCalls 35

Placing a Telephone Call 35

Receiving a Telephone Call 37

Additional Telephone Calling Information 38

Entering Telephone Numbers 38

Clearing Telephone Numbers 39

To Store a Number in Memory 39

To Recall a Number Stored in Memory 39

TrunkingSupervisoryTones 40

Busy Tone 40

Intercept Tone 40

Clear-To-Talk 41

Key Press Tone 41

Reorder Tone 41

Return Time Warning Tone 41

Conversation Time-Out Tone 42

Turn-Around Tone 42

System Ringback Tone 42

TMA-4474 Product Warranty 43

Safety Information

The Federal Communications Commission (FCC), with

its action in General Docket 79-144, March 13, 1985, has

adopted a safety standard for the human exposure to Radio

Frequency (RF) electromagnetic energy emitted by FCC

regulated equipment. Proper operation of this radio will

result in user exposure far below the Occupational Safety

and Health Act and Federal Communication Commission

limits.

DO NOT operate a mobile radio when someone outside the

vehicle is within two feet (0.6 meter) of the antenna.

DO NOT operate the radio near unshielded electrical

blasting caps or in an explosive atmosphere, unless it

is a type specifically designed and qualified for such use.

DO NOT operate the transmitter of any radio unless all RF

connectors are secure and any open connectors are properly

terminated.

DO NOT allow children to operate transmitter-equipped

radioequipment.

• For safe operation, all equipment must be properly

grounded.

• All equipment should be serviced only by a qualified

technician.

This device complies with Part 15 of the FCC rules.

Operation is subject to the condition that this device

does not cause harmful interference.

Unpacking Information

Remove and carefully inspect the contents of your package

for the following items:

• Radio

• Microphone

• DC power supply cord

• Mounting bracket, hardware

• Microphone hanger and hardware

• Operating instructions

If any items are missing, please contact your Maxon

Dealer.

Installation Safeguards

Some electronic fuel injection, anti-skid breaking systems,

cruise controls, and vehicle alarms may be prone to interfer-

ence from radio frequency energy or may malfunction due to

a lack of protection from RF energy. If the vehicle contains

such equipment, consult the dealer or factory and enlist their

help in determining whether the electronics equipment in the

vehicle will operate properly when the radio is transmitting.

• Select a location for the radio which allows the user to see

and easily reach the microphone and radio controls.

DO NOT install the unit where it would interfere with the

proper operation of automatic collision protection

devices (air bags).

DO NOT install the unit where it would likely cause injury

in case of accident.

• After selecting a location for the radio, hold the mounting

bracket in place. Using the bracket as a template, mark

with a pencil the spots where the bracket securing

screws will be located.

• Before drilling holes in the vehicle, verify that there is

nothing that could be damaged or get in the way by

drilling and putting screws in this location.

NOTE: It is better to use existing passages in the dash-

board, trunk, and floor for the routing cable, thus avoiding

excessivedrilling.

NOTE: This radio is not intended for operation in a positive

groundvehicle.

A suitable antenna must be purchased for use with the radio.

Consult your Maxon Dealer for recommended Maxon

antennas. 3

TM-4800 Features

• Up to 10 systems selectable

• Up to 10 groups selectable per system

• System scan

• System lockout when scanning

• Group scan automatically or manually

• Programmable CTCSS and DCS squelch capability

• 7-character alpha-numeric LCD display with backlight

• Operation in both trunking and conventional modes

• Repeater talk-around (conventional and trunking modes)

• Automatic system ringback if system is busy

• Transmit inhibit with busy tone

• Clear-to-talk tone

• First available system scan (FASS)

• Optional microphone for telephone interconnect*

• Storage of up to 8 telephone numbers (of up to 14 digits in

length) *

*Functions only when using Maxon Model TMA-4474

(optional microphone with DTMF keypad).

NOTE: System setup determines the specific operation

of some of the above features. Refer to the descriptions

in this manual for more information.

• OFF

VOL

• MAX

GRP

LCK

T/A

SCN

SYS

Quick Reference Guide

Controls

Push-To-Talk bar (on microphone) places

transceiver in transmit mode

Turns transceiver On/Off and

adjusts VOLume

Changes SYStem number

LoCKs displayed System out of

scan sequence

Talk-Around bypasses system when out

of range of system

Initiates SCaNning mode

Changes GRouPnumber

Description of Radio Components

ControlsandConnectors

TX/RX Indicator - Two color LED glows red when radio

is transmitting (TX) and green when radio is receiving (RX).

On/Off-Volume Control - Turning this knob clockwise

supplies power to the radio and increases volume level. A

counter-clockwise rotation decreases volume level. To turn

transceiver power off, rotate knob counter-clockwise

to detent.

Microphone Connector - Eight pin modular connector for

Maxon heavy duty microphone and optional DTMF micro-

phone (model TMA-4474).

Function Keys - Used to select system and group; to

initiate system lockout, talk-around and scan modes.

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