Maxon TP-4800, TP-4801 Operating Instruction

TP-4800 Series

800 MHz Transceiver

Operating Instructions

(Models TP-4800 and TP-4801)

About Your TP-4800 Series Radio

Maxon's TP-4800 Series is a sophisticated, microprocessor
controlled transceiver which operates in the 800 MHz range.
Operation and functions for Maxon Model TP-4800 (with
DTMF keypad) and TP-4801 (non-DTMF version) radios
are described in this manual.

We urge you to thoroughly read this manual before
operating the radio.

The TP-4800 Series has been designed for ease of operation
and there are many features available. Many of the functions
described in this manual are dependent on the System in use.
Your Maxon Dealer has programmed the TP-4800 Series
Radio to optimize your requirements.

Should you have any questions regarding the operation of
the radio, please consult the Maxon Dealer from which you
purchased the radio.

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

Safety Information 1
TP-4800 Series Features 2
Quick Reference Guide 3
Description of Radio Components 5

Controls and Connectors 5
Keypad 7
Display Information 11

TP-4800 Series Operation 13

Trunked and Conventional Mode 1 3
Channel Monitoring 13
System "Handshaking" 13
Transmitting 1 4
Receiving 1 5
T/A - Talk Around 15
Transpond Mode 16
Keypad Lock 16

Telephone Calls (Model TP-4800 only) 1 6

Placing a Telephone Call 1 7

Auto Interconnect Operation 17
Manual or Direct Dialing 1 8

Receiving A Telephone Call 1 9

Additional Telephone Calling Information 20

Entering Telephone Numbers 2 0
Clearing Telephone Numbers 2 0
To Store a Number In Memory 21
To Recall a Number Stored In Memory 21

Scan Modes 22

General 2 2
System Scan 22
System Lockout 22
Group Scan 2 3
Auto Group Scan 23
Manual Group Scan 2 4

Transmitting While Scanning 24
Last Active (floating) System and Group 24
"Home" System and Group 2 5
Scan Resume Delay 25
RX Priority 26
First Available System Scan 2 6

Trunked Supervisory Tones 2 7

Busy Tone 27
Intercept Tone 27
Clear-To-Talk 27
Key Press Tone 28
Reorder Tone 28
Return Time Warning Tone 28

Conversation Time-Out Tone 2 8

System Ringback Tone 2 9
Display Messages 30
Battery Charging and Care 31
Extended Operations 33
FCC Licensing 3 4
Transceiver Service 35
TP-4800 Series Product Warranty 36

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 hold the radio in such a manner that the antenna is
close to, or touching, exposed parts of the body -- especially
the eyes or face -- while the radio is transmitting.

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 radio unless the antenna connector
is secure and any open connectors are properly terminated.

DO NOT allow children to operate transmitter-equipped
radio equipment.

This device complies with Part 15 of the FCC rules.
Operation is subject to the condition that this device
does not cause harmful interference.

1

TP-4800 Series Features

• Choice of Model TP-4800 with DTMF keypad or
Model TP-4801 without DTMF keypad

• Up to 10 Systems selectable

• Up to 10 Groups selectable per System

• System scan

• System lockout when scanning

• Group Scan automatically or manually

• First Available System Scan when out of range of
Systems

• 7-character alpha-numeric LCD display with backlight
for System and Group identification and other
status information

• Operation in both Trunked and Conventional (non­Trunked) modes

• Repeater talkaround in Conventional and Trunkedmodes

• Standard telephone keypad for placing telephone
interconnect calls (Model TP-4800 only)

• Call indicator

• User-programmable storage of up to 8 telephone numbers
of up to 14 digits in length (Model TP-4800 only)

• Automatic System ringback if System is busy

• Transmit inhibit with busy tone

• Clear-to-Talk beep tone signal indicates when speaking
can begin

NOTE: System setup determines the specific operation
of some of the above features. Refer to the descriptions
in this manual for more information.

2

Quick Reference Guide

Controls and Buttons

Turns transceiver on and adjusts audio
listening level

Lights up LCD display
Monitors channel activity (Conventional

Mode only)
Press-To-Talk places transceiver in

transmit mode

Keypad

Change SYStem number

Change GRouP number

Talk Around bypasses System when out
of range of System

Enable or disable "key press" tone

Turn SYStem SCaNning On/Off

Turn GRouP SCaNning On/Off

Enters First Available System Scan
(FASS) mode

3

LoCK Keypad or displayed System out of
scan sequence

Enable or disable "Phone" mode (Model
TP-4800 only)

NOTE: In "Phone" mode, the T/A, MUTE, SCN and
LCK keys have the following functions; (SND) SeND,

(STR) SToRe, (REC) RECall and (CLR) CLeaR
respectively. The functions are indicated in the red letters
next to the primary function indicated on the keypad.
(Model TP-4800 only)

DTMF Enter telephone number to be called
Keypad (Model TP-4800 only)

SeND key automatically interconnects

with System and transmits displayed
telephone number (Model TP-4800 only)

SToRes displayed telephone number in

memory location 1 through 8

RECalls stored telephone number from

memory location 1 through 8

CLeaRs one digit at a time from display

4

Description of Radio Components

Controls and Connectors

Antenna Connector - SMA type connector for Maxon

TA-801BK antenna or equivalent.
TX/CALL Indicator - Two color LED glows red when

radio is transmitting (TX) and green when radio is receiving
a call (CALL).

Accessory Connector - Interface for Maxon SA-1420
Speaker/microphone and programming cable.

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.

5

L-Backlight Button - Press the
L button once to illuminate the

display for low light conditions.
After pressing the L button, the
light will stay on for approxi­mately 10 seconds.

M-Monitor Button - Press and
hold the M button to monitor
channel activity. This disables
any squelch system so that all
traffic is heard. The monitor
function is available only when
Conventional Systems are
programmed into the radio.

Push-To-Talk Button - Press
and hold the Push-To-Talk
(P-T-T) Button to place the
radio in transmit mode.When
transmitting, the TX indicator
located near the antenna will glow
red. In Trunked Systems, the radio
must first "handshake" with the
System to access an available
channel. This initial access may
cause the TX indicator to flash
momentarily.

Battery Latch - Lifting this latch
allows battery to be removed from

the radio. Place thumb under latch
and lift upward while sliding battery away from thumb. To
reinstall battery, slide toward latch until securely locked.

6

Keypad

SYS "System" - Pressing this key selects the next pro-

grammed System. Only those Systems programmed will
be displayed. System number selected is located in upper
left corner of display.

GRP "Group" - Pressing this key changes the selected
group. Only those groups programmed will be displayed.
Group number selected is located in lower left corner of
display. Group name or identifier is shown in main body
of display.

T/A "Talk Around" - Places the TP-4800 Series into the
Talk Around mode on Trunked and Conventional Systems
(Dealer programmable option). Allows direct radio-to-radio
communication when out of range of System.

MUTE "Silent" - Pressing the mute function key places
the radio into the "Silent" mode (none of the "key press"
tones will be heard through the speaker.) To enable "key
press" tone mode, press MUTE again.

7

SND

STR

REC

CLR

NOTE: The TP-4800 Series will return to the "key press"
tone mode automatically when the unit is turned off and on.
(This is the power up default setting).

SCN "Scan" - Pressing this key initiates the scan feature.
When the SCN key is pressed followed by pressing either
the SYS (System) or GRP (Group) key, System scan or
Group scan is enabled. (See "Scan Modes").

LCK "Lock" - Disables keypad or used to lock System
or Systems out of the scan sequence so that they are not
scanned. This function is retained in memory and does not
need to be re-entered each time the radio is turned on.
(Refer to "Keypad Lock" or "System Lockout" for more
information).

PHONE "Phone" Mode (Model TP-4800 only) - Places
radio in or out of "Phone" mode. In "Phone" mode, activates
second function of dual function keys indicated by red
lettering on the radio and in parenthesis ( ) starting on next
page.

8

SND

STR

REC

CLR

The following Keys are activated in "Phone" mode
(Model TP-4800 only) :

DTMF Keypad - Keys 0-9, and symbol keys "*" and "#"

for entering telephone numbers to send or store in memory.
NOTE: If more than 7 digits are entered or stored in a

memory location, a left facing arrow will appear at the
bottom of the LCD display. This represents there are more
digits entered than can be displayed. Only the last seven
digits entered are displayed. To display any digits not shown,
first (STR) "Store" the entire number into a memory location
and then use (REC) "Recall" to bring back the number. The
first digits will be displayed for 1 second and the remaining
7 digits will be displayed and remain shown until the function
is changed or the (REC) "Recall" key is again pressed.

9

!

SND

STR

REC

CLR

PHONE

SCN

LCK

T/A

MUTE

SYS

GRP