Motorola MTX-800, MTX-900 User Manual
MTX-800TMClassic and
MTX-900TMClassic
Trunked Portable Radios
User’s Guide
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MTX-900
*6881079C65*
68P81079C65-O
Motorola, Inc.
1411 E. Washington St.
Mt. Pleasant, IA 52641
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The Motorola products described in this manual may include copyrighted
Motorola computer programs stored in semiconductor memories or other media. Laws
in the United States and other countries preserve for Motorola certain exclusive rights
for copyrighted computer programs, including the exclusive right to copy or reproduce
in any form the copyrighted Motorola computer program. Accordingly, any copyrighted
Motorola computer programs described in this manual may not be copied or reproduced in any manner without the express written permission of Motorola Inc.
Furthermore, the purchase of Motorola products shall not be deemed to grant either
directly or by implication, estoppel, or otherwise, any license under the copyrights,
patents or patent applications of Motorola, except for the normal non-exclusive, royalty-free license to use that arises by operation of law in the sale of a product.
MTX-800TMClassic and MTX-900TMClassic
Trunked Portable Radios
Table of Contents
General Information
Unpacking.............................................................................................3
Antenna Installation..............................................................................4
Battery Installation................................................................................5
Battery Removal...................................................................................5
Alert Tones...........................................................................................6
MTX-800 Classic (Type I)
Features ...............................................................................................9
Controls, Indicators, and Connectors...................................................9
Operating Procedures ........................................................................11
To Turn the Radio On and Off ...........................................................11
To Set the Volume Level ....................................................................11
Selecting Channels ............................................................................11
Making Trunked Dispatch Calls..........................................................12
Receiving Trunked Dispatch Calls .....................................................12
Making Trunked Telephone Calls ......................................................13
Receiving Trunked Telephone Calls ..................................................14
Receiving a Call Alert
Sending a Call Alert (Page)................................................................16
Failsoft Operation...............................................................................17
Making Conventional Dispatch Calls..................................................18
Making Conventional Telephone Calls...............................................18
MTX-800 Classic (Type II)
Features .............................................................................................19
Controls, Indicators, and Connectors.................................................19
Operating Procedures ........................................................................20
To Turn the Radio On and Off ...........................................................21
Selecting Channels ............................................................................21
Receiving Dispatch Calls....................................................................21
Time-Out Timer ..................................................................................22
Automatic Multiple Site Select (AMSS) Operation.............................23
Initiating a Call Alert (Page) ...............................................................24
Receiving a Call Alert (Page).............................................................25
Making a Private Conversation Call...................................................26
TM
(Page) ..........................................................15
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Receiving a Private Conversation Call ................................................27
Making Trunked Telephone Calls........................................................28
Receiving Trunked Telephone Calls....................................................29
Announcement Group Calls .................................................................30
System-Wide Calls...............................................................................31
Making Conventional Dispatch Calls ...................................................31
Making Conventional (MRTI) Telephone Calls....................................32
MTX-900 Classic (Type II)
Features...............................................................................................33
Controls, Indicators, and Connectors...................................................33
Operating Procedures..........................................................................34
To Turn the Radio On and Off.............................................................35
To Adjust the Volume Level .................................................................35
Selecting Channels..............................................................................35
Making Trunked Dispatch Calls...........................................................36
Receiving Trunked Dispatch Calls.......................................................36
Making Trunked Telephone Calls........................................................37
Receiving Trunked Telephone Calls....................................................39
Receiving a Call Alert
TM
(Page)............................................................40
Failsoft Operation.................................................................................41
Receiving a Private Conversation Call ................................................42
Private Conversation Call Back ...........................................................42
Making Conventional Dispatch Calls ...................................................43
Making Conventional Telephone Calls ................................................44
Battery Information
Charging...............................................................................................45
Battery Warnings..................................................................................46
General Radio Care
Cleaning...............................................................................................47
Handling...............................................................................................48
Safety Information
FCC Safety Standards.........................................................................49
Safety Guidelines.................................................................................49
Hazardous Atmosphere Operation ......................................................50
Intrinsically Safe Models and Accessories...........................................51
Restrictions ..........................................................................................52
Service.................................................................................................52
Computer Software Copyrights ................................
inside back cover
2
General Information
Unpacking
Remove and check the contents of the packing case to be certain
that all ordered items have been shipped. Inspect all items thoroughly.
If any items have been damaged during transit, report the damage to
the shipping company immediately.
User’s Guide
HELP
Antenna
Belt Clip
Battery
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Packing Carton
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Antenna Installation
Screw the threaded end of the antenna into the large threaded
antenna bushing located on top of the radio.
Rotate the antenna clockwise until it fits firmly against the bushing.
MTX-900
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Battery Installation
Align the notched end of the
battery with the grooves in the
radio baseplate. Mate the notches
and the grooves and slide the
battery toward the battery latch
until the battery "clicks" into place.
Battery Removal
Remove the battery by
holding the battery latch up toward
the top of the radio. With the
battery latch held up, slide the
battery away from the latch until it
is clear of the radio baseplate.
Note: The battery is shipped
uncharged. Batteries must be
charged before use.
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Alert Tones
The MTX-800 Classic and MTX-900 Classic radios generate the
following audible tones to indicate radio operating conditions:
Illegal Mode A low-pitched
or unprogrammed operation is attempted, for
example:
1) the rotary and toggle switches are set to an
unprogrammed position
2) the phone button is pressed but the radio is not
authorized to access the telephone network
(trunked models).
Low Battery A cricket-like
released indicates that the battery charge is getting
low. This tone will also sound every two minutes
when the radio is idle.
Time-Out Timer A low-pitched
indicates that the present transmission will be cut off
in four seconds. Quickly release the PTT and press it
again to cancel the tone and finish transmitting your
message.
Valid Key A
Invalid Key A
Volume Set A tone is heard when the volume set button is
(On MTX-800
Classic Type I H25JBF51B4
Only)
"chirp"
pressed to indicate the key press is accepted.
"bonk"
pressed to indicate the key press is rejected.
pressed. This tone can be used together with the
volume control to adjust the radio receiver volume
level. The tone continues for one second after the
button is released.
"baaaah"
"chirp-chirp"
"baaaah"
tone is heard when the keypad buttons are
tone is heard when the keypad buttons are
tone is heard when an invalid
heard when the PTT is
tone heard while transmitting
Trunked Systems Only
Talk Permit A high-pitched
pressed indicates that a channel grant has been
received from the trunking controller and the radio
can transmit.
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"di-di-dit"
tone heard when the PTT is
Dispatch Busy A continuous
"bah-bah-bah"
tone heard when the
PTT is pressed indicates that the system is busy (no
voice channels are available). Release the PTT and
wait for a Call Back tone.
Call Back This is the same as the Talk Permit tone. It is heard
following a Dispatch Busy when a voice channel
becomes available. When the Call Back tone is
heard, press the PTT to transmit.
Talk Prohibit/ A continuous
Out-of-Range
pressed indicates that there is no response from the
"baaaah"
tone heard when the PTT is
trunking controller; transmission is not possible. The
radio may be out-of-range or not authorized to
access the trunked system.
"beep"
Call Alert (Page) Four
Decode
being received. These tones will repeat every six
tones indicate that a Call Alert (page) is
seconds until the page is acknowledged.
Call Alert (Page) (1) Five
Encode
transmitted indicates that the receiving radio is
“beep”
tones when a Call Alert is
turned on.
(2) A
“beep-bonk”
tone when a Call Alert is
transmitted indicates that the called radio is
turned off or is not registered on the selected
trunked system.
Call Alert (Page) A continuous “baaaah” tone heard when the radio is
Mode Reminder
in standby indicates that the toggle switch has been
left in the Call Alert encode position. This is a
warning that normal dispatch calls may be missed.
"ring"
Phone Ring A telephone-type
is heard when the radio
receives a phone call.
Phone Busy If a
"bah-bah-bah"
tone is heard when the telephone
interconnect button is pressed, the trunking
controller is busy. Your request for a telephone line
will be granted when a channel becomes available.
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Private Conver- Two “beep” tones announce an incoming private call.
sation Response
(MTX-800/900
After 20 seconds the radio will stop signalling and
forget the ID of the
calling radio.
Classic Type II
Only)
Private Conver- If the radio is in the Private Conversation mode for more
sation Mode
Reminder
(MTX-800/900
Classic Type II
Only)
Failsoft A faint
than six seconds with no ID present, the illegal-mode
tone will sound. When an ID is present, the radio will
remain silent for one minute, make bad-key chirps
every six seconds for one minute, then sound the
illegal-mode tone. Keypad, PTT, or voice channel
activity will clear these tones.
"beep"
radio is idle indicates that the trunking controller has
failed. Transmission is still possible, but will be as in
conventional operation.
tone heard every ten seconds when the
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MTX-800 Classic (Type I)
Features
The Motorola MTX-800 Classic
(Type I) radio (model H25JBF51B4) is a
trunked/conventional system portable radio.
Its features include:
• Two Subfleet Select
• Six System Select
• Trunked and Conventional Operation
• Call Alert Decode/Encode
• Telephone Interconnect
• Volume Set
Controls, Indicators, and Connectors
1 Volume Set Button
Press to generate the volume set tone.
This tone can be used together with
the volume control to adjust the radio
receiver volume to a desired listening
level.
2 Telephone Interconnect Button
Press to answer and hang up after
trunked telephone calls. Press to
access the telephone network when a
trunked system is selected.
3 Push-to-Talk Switch (PTT)
Press to transmit on the currently
selected channel.
4 Keypad
Telephone-type push buttons used in
telephone interconnect. The keypad is
also used to access the MRTI phone
patch when a conventional channel is
selected.
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Top Mounted Controls
1 Subfleet Select Switch
Three position toggle-type switch, allows selection of 2 subfleets
and Call Alert Encode, or conventional channels.
2 External/Accessory Connector
Allows operation with accessories.
3 On/Off Switch - Volume Control
Turns the radio on and off and adjusts the radio volume level.
4 LED Transmit Indicator
Lights up when the radio is transmitting.
5 System Select Switch
Six-position rotary type switch; allows selection of trunked systems
and/or conventional channels.
2
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Operating Procedures
After a fully charged battery and an antenna have been
connected to the radio, you may begin operating your radio. If
necessary, review the preliminary information to be sure you
understand the radio's features, controls, and indicators.
To Turn the Radio On and Off
Turn the on/off switch in a
clockwise direction. If the radio is
not already turned on, the knob
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will click as it is turned.
To turn the radio off, turn the
switch counterclockwise until it
clicks.
To Set the Volume Level
The volume set button allows
you to adjust the radio receiver
volume before a transmission is
received. Press the volume set
button on the side of the radio.
You will hear the volume set tone.
To increase the volume
level, turn the volume control
knob clockwise. To decrease the
volume level, turn the knob
counterclockwise.
Selecting Channels
ABC
*
4
5
3
6
2
1
To select a desired channel,
adjust the rotary and the toggle
switches to the desired channel
position. The indicator mark on
the rotary switch designates the
currently selected position.
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Making Trunked Dispatch Calls
Select the desired subfleet
using the rotary and toggle
switches.
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Press the PTT to talk. If the
LED is lit, you are transmitting
normally (the channel is clear to
use). If a dispatch busy tone is
heard, release the PTT and wait for
a call back tone. When the call
back tone is heard, press the PTT
and transmit normally. If a
continuous talk prohibit tone is
heard while the PTT is pressed,
transmission is not possible. The
radio may be out-of-range or not
authorized to access the trunked
system.
When you have finished
talking (transmitting), release the
PTT switch to listen (receive).
Receiving Trunked Dispatch
Calls
Voice traffic is heard through
the radio's speaker when a
dispatch call is received. Press the
PTT to transmit a response and
release it to listen for replies. Voice
traffic cannot be received while the
PTT is pressed.
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Making Trunked Telephone
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Calls
In order to make a telephone
call from your radio, it must be
authorized to access the telephone
network on the trunked system
selected.
To make a telephone call from
a trunked system, press the
telephone interconnect button;
listen for a dial tone.
If a busy tone is heard when
the telephone interconnect button is
pressed, all telephone channels are
busy. You are placed in queue for
an available channel. When you
hear a dial tone, proceed normally.
Dial the desired telephone
number using the keypad. When
the person answers, transmit
normally.
Note: Tell the person answering
that you are talking from a radio;
that they should wait to hear the
“beep” after you speak before
replying. Otherwise, if they talk
while you are transmitting, you
won’t be able to hear what they are
saying.
When your call is complete,
press the telephone interconnect
button again to hang up.
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“Ring-Ring”
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If an invalid key tone is heard
when the telephone interconnect
button is pressed, the telephone
interconnect option has not been
enabled. Telephone calls cannot be
made.
If an illegal mode tone is heard
when the telephone interconnect
button is pressed, the radio may be
out-of-range of the system or not
authorized to access telephone
interconnect. Telephone calls cannot
be made.
Receiving Trunked Telephone
Calls
A telephone-like ringing is heard
when a telephone call is received.
To answer the call, press the
telephone interconnect button; press
the PTT to speak, then release it to
listen.
When the conversation is
finished, press the telephone
interconnect button to hang up.
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