CONTENTS
RadioOverview .................... 3
Operation and Control Functions . . . . . . . . 3
Radio Controls . . . . . . . . . . . . . . . . . . . 3
Programmable Buttons . . . . . . . . . . . . . 4
Audio Signal Tones . . . . . . . . . . . . . . . . 5
GettingStarted..................... 7
Battery Information . . . . . . . . . . . . . . . . . . . 7
Battery Care and Tips . . . . . . . . . . . . . . 7
Recycling or Disposal of Batteries . . . . 8
Charging the Battery . . . . . . . . . . . . . . . 8
Accessory Information . . . . . . . . . . .... 9
Attaching the Battery . . . . . . . . . . . . . . . . . 9
Removing the Battery. . . . . . . . . . . . . . . . . 9
Attaching the Antenna . . . . . . . . . . . . . . . 10
Removing the Antenna. . . . . . . . . . . . . . . 10
RadioOperation................... 11
Turning the Radio On-Off. . . . . . . . . . . . . 11
Adjusting the Radio’s Volume . . . . . . . . . 11
Radio Registration . . . . . . . . . . . . . . . . . . 12
RadioCalls........................13
Making a Call . . . . . . . . . . . . . . . . . . . . . . . 13
Contact List . . . . . . . . . . . . . . . . . . . . . . . .13
User Absent. . . . . . . . . . . . . . . . . . . . . . . . 13
Dedicated Calls . . . . . . . . . . . . . . . . . . . . .14
Ending a Call . . . . . . . . . . . . . . . . . . . . . . . 14
Cancelling a Call . . . . . . . . . . . . . . . . . . . .14
Receiving a Call. . . . . . . . . . . . . . . . . . . . .15
Receiving a Call on a OACSU System. . 15
Receiving a Call on a FOACSU System. 15
Missed Calls . . . . . . . . . . . . . . . . . . . . . . . 16
Call Diversion . . . . . . . . . . . . . . . . . . . . . . 17
Emergency Calls . . . . . . . . . . . . . . . . . . . .18
Personality........................19
MPT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Talkgroup. . . . . . . . . . . . . . . . . . . . . . . . . . 20
Fixed and Dynamic Groups . . . . . . . . .20
Conventional Mode . . . . . . . . . . . . . . . . . .21
Personality Selection . . . . . . . . . . . . . . . . .22
CONTENTS
1
English
CONTENTS
omputerSoftwareCopyright
The products described in this manual may include copyrighted computer
programmes stored in semiconductor memories or other media. Laws in the
United States of America and other countries preserve for Motorola Europe
and Motorola Inc. certain exclusive rights for copyrighted computer
programmes, including the right to copy or reproduce in any form the
copyrighted computer programme. Accordingly, any copyrighted computer
programmes contained in the products described in this manual may not be
copied or reproduced in any manner without the express written permission of
the holders of the rights. Furthermore, the purchase of these products shall not
be deemed to grant either directly or by implication, estoppel, or otherwise, any
licence under the copyrights, patents, or patent applications of the holders of
the rights, except for the normal non-exclusive royalty free licence to use that
arises by operation of the law in the sale of the product.
English
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RADIO OVERVIEW
This user guide covers the operation of the
GP644 Portable Radio.
Before using this radio, refer to the Product Safety
and RF Exposure booklet for Portable Two-way
Radios 6864117B25_ enclosed with your radio.
OPERATION AND CONTROL FUNCTIONS
Radio Controls
The numbers below refer to the illustrations on
the inside front cover.
1. Rotary Knob
Used as a multi-function scroll key and as a
channel selector in Conventional mode.
2. On-Off / Volume Knob
Used to turn the radio on or off, and to adjust
the radio’s volume.
3. Push to Talk Button (PTT)
Press and hold down this button to talk, release
it to listen.
4. Clear Button (Side Button 1)
Used to cancel a call, clear down at the end of
a call or Carrier Monitor (Conventional mode).
5. Side Button 2 (programmable)
Personality button, otherwise programmable.
6. Top Button (programmable)
Recommended as Emergency button.
7. LED Indicator
Green: Flashes to indicate NO SERVICE.
Red: On when radio is transmitting.
Red Flashing: When transmitting - battery low.
Green: On to indicate monitor mode active
(Conventional Mode).
Red Flashing: When receiving - channel busy
(Conventional Mode).
8. Microphone
9. Antenna
10. Accessory Connector
Connects headsets, remote speaker/microphones and other accessories. Replace
attached dust cap when not in use.
RADIO OVERVIEW
3
English
Programmable Buttons
Several of your radio buttons can be
programmed (by your dealer) to activate the
radio features.
Feature Description
RADIO OVERVIEW
Dedicated Call/
Emergency
Personality
Missed Calls
The following table shows the features that can
be assigned to the Top button and Side Button 2.
To make a call to a pre-determined number. This can
be an emergency number, effectively activating an
Emergency Call.
To select one of two radio personalities, (e.g. MPT
trunking system or conventional system).
This will normally be Side Button 2.
To select the Missed Call list. This is a list of calls
received and stored by the radio when you were
unable to take the call.
English
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Audio Signal Tones (Normal Tones)
High pitched tone Low pitched tone
Tone Signal Description
Self test Power up.
Tone A Call clear indication.
Traffic channel
Tone B
Tone C1 System busy.
Tone C2 Unavailable.
Tone C3 Called party busy.
Tone C4 Invalid number.
Tone D
Tone F
Tone G
Tone H Invalid entry.
allocated or PTT/ Mic/
Loudspeaker enabled.
Call set up in progress,
wait for further
indications.
Transaction
confirmed, called unit
will call back.
Look at display for
call set up or
System information.
Tone Signal Description
Confidence tone when
Key click
Fail tone
Tone I Low battery warning.
Tone L1 1st Personality.
Tone L2 2nd Personality.
Tone M1 Talkgroup Confirmation.
Tone M2 Talkgroup unavailable.
Tone N1 Out of range alert.
Ring
tones
Standard/
English/French/
General
any key pressed or
speech limitation alert.
Hardware error or
Call timed out
(conventional mode).
Incoming call, press
PTT, then wait for
further indications.
RADIO OVERVIEW
5
English
Audio Signal Tones (Alternative)
High to Low pitched tones
Tone Signal Description
Self test Power up.
Tone A Call clear indication.
RADIO OVERVIEW
Tone B
Tone C1 System busy.
Tone C2
Tone C3 Called party busy.
Tone C4 Invalid number.
Tone D
Tone F
Tone G
allocated or PTT/ Mic/
Loudspeaker enabled.
Call set up in progress,
confirmed, called unit
Look at display for
System information.
Traffic channel
Unavailable.
wait for further
indications.
Transaction
will call back.
call set up or
Tone Signal Description
Tone H Invalid entry.
Key click
Fail tone
Tone I Low battery warning.
Tone L1 1st Personality.
Tone L2 2nd Personality.
Tone M1 Talkgroup Confirmation.
Tone M2 Talkgroup unavailable.
Tone N1 Out of range alert.
Ring
tones
Standard/
English/French/
General
Confidence tone when
any key pressed or
Speech limitation alert.
Hardware error or
Call timed out
(conventional mode).
Incoming call, press
PTT, then wait for
further indications.
English
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