Ericsson M-PA SELECT Operator's Manual
LBI-3868 6A
Operator’s Manual
M-PATM SELECT MODEL
PORTABLE RADIO
(DES ALGORITHM)
E
TABLE OF CONTENTS
TABLE OF CONTENTS (CONT.)
INTRODUCTION . . . . . . . . . . . . . . . 5
CONTROLS . . . . . . . . . . . . . . . . . 5
INDICATORS . . . . . . . . . . . . . . . . . 7
UNIVERSAL DEVICE CONNECTOR . . . . 8
ALERT TONES . . . . . . . . . . . . . . . . 8
OPERATION . . . . . . . . . . . . . . . . . 9
POWER-UP . . . . . . . . . . . . . . . . 9
CRYPTOGRAPHIC KEY HANDLING . . . 9
RECEIVING A MESSAGE . . . . . . . 10
TRANSMITTING A MESSAGE . . . . . 11
EMERGENCY OPERATION . . . . . . 12
OPERATING TIPS . . . . . . . . . . . . . 12
OPERAT ING RULES AND
REGULATIONS . . . . . . . . . . . . . . 13
BATTERY PACKS . . . . . . . . . . . . . 14
INSTALLING THE BATTERY PACK . . . 14
REMOVING THE BATTERY PACK . . . 15
CHARGING THE BATTERY PACKS . . 15
RECHARGEABLE BATTERY PACK
DISPOSAL . . . . . . . . . . . . . . . 16
SWIVEL MOUNT REMOVAL AND
REPLACEMENT . . . . . . . . . . . . . . 16
INTRINSICALLY SAFE USAGE . . . . . . 16
BATTERY PACKS . . . . . . . . . . . . 17
ACCESSORIES . . . . . . . . . . . . 17
GLOSSARY . . . . . . . . . . . . . . . . 18
WARRANTY . . . . . . . . . . . . . . . . 20
NICKEL-CADMIUM WARRANTY . . . . . 21
This manual is published b y
or improvements to programs and/or equipment, may be made by
part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for any purpose, without the express
written perm i ss i on of
Copyright © December 1991, Ericsson GE Mobile Communications Inc.
Ericsson Inc.
Ericsson Inc., w
ithout any warranty. Improvements and changes to this manual necessitated by typographical errors, inaccuracies of current information,
Ericsson Inc.,
at any time and without notice. Such changes will be incorportated into new editions of t his manual. No
2
PRODUCT SPECIFICATION FOR CE MARKED
EQUIPMENT
The M-P A P ortable conforms to the following Prod-
uct Specifications.
EUROPEAN STANDARDS:
Safety: Not Applicable
EMC: prETS 300 279 (August 1995)
TTD: Not Applicable
SUPPLEMENTARY INFORMATION:
At this time, the M-PA portable radio may not be
operated whi le in a v e hicu lar char ger i n the Euro pean
Communi ty sin ce i t has no t been e valuated for oper ation in this mode.
The M-PA portable radio may be used in both
trunked an d co nventio na l ap pl ic at io ns.
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SIDE VIEW
FRONT VIEW
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Figure 1 - M-PA Select Model Radio
INTRODUCTION
This manual de scrib es the ope ration of the
M-PA
Vo i c e G u a r d® Select mo del radio. This f ullfeatured portable radio provides V oice Guard two-way
communi cati ons us ing th e Data Encryption Sta ndard
(DES) algorithm. The M-PA Voice Guard radio provides full-range performance for private (guarded) and
clear communications.
The cr yptographic key in the radio provides the
encryption and decryption code necess ary f or pri va te
communicatio ns. Only ra dios with the sa me cryp tographic key can monitor and communicate. Cryptographic keys are transferred into the radio using DES
Keyloader , Option V4025.
Operatin g controls on the radio include a rotatable
control knob, rotata ble volume con trol, push-to-talk,
emergency and monitor buttons. The on/off power
switch for the unit is located on the removable battery
pack.
such as private comm un ic at io ns en abled, tra ns m it te r
on, or emer ge nc y m od e enabled.
The exact operation of your radio will vary depending upon the mode of operation, the radio’s programming, and the particular radio system. Consult
your radio system’s representative for par ticular features that are programmed into your radio.
CONTROLS
ON/OFF SWITCH
The ON/OFF SWITCH is loc ated on the batt ery
pack. Sliding this switch up will supply power to the
radio from the battery pack. An audible click will be
heard and the "ON" indic a tor will be exposed. When
the radio is turned on, it will perform a power-up self
test and then resum e oper ation o n the pr e vious operating channel as displayed in the LCD. Sliding the
swi tc h down will turn the ra di o off.
The 8-digit alphanumeric liquid crystal display
(LCD) on th e front of the radio displays the operating
status of th e r a di o. T hi s backlit d is play al so h as e ig ht
status fl ags t hat indi cate v ari ous oper at ing cond itio ns
VOLUME CONTROL KNOB
The VOLUME CONTROL KNOB is a rotatable
control on the top of the radio used to adjust the
receiver’s audio level in the speaker. Rotating this
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knob in a clockwise direction will increase the audio
level. Counter-clockwise rotation will decrease the
audio le v el. Min imum le v els ma y be prog ramme d into
the radio to prevent missed calls due to too low of a
volum e se tt in g.
CONTROL KNOB
The rotatable 16-position CONTROL KNOB located on the top of the radio selects the operating
channel. A stop plat e may be insta lled under the knob
to limit the maximum number of positions to less than
sixteen (16). It is normally factory installed for fifteen
(15) positions.
squelch an d the receiver noise will be heard in the
speaker.
If programmed e nabled for the selected channel,
Channel Guard (CG) and/or Type 99 (T99) signalling
will be enabled when the channel is selected. If CG
and/or T99 are en abled, th e appropriate stat us flag
"CG" and/or "T99" will turn on. The MONITOR BUTTON may then be used to toggle CG and/or T99
between disabled and enabled by pressing and holding the it for at least one (1) second; the appropriate
status flag will toggle on or off. The MONITOR BUTTO N is als o use d to re set T 99 oper at ion afte r a cal l is
received.
PTT BUTTON
Pressing the PTT BUTTON on the side of the
radio will enable the radio’s transmitter. The "TX"
status fl ag in the d ispl a y w il l turn on when th e r adi o is
transmit ti ng . Releasing t he P TT BUT TON will retu rn
operation to receive mode.
MONITOR BUTTON
The MONITOR BUTT ON is used to unsquelch the
receiver. Momentarily pressing this button will disable
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EMERGENCY BUTTON
The EMERGENCY BUTTON is the small red
button lo cated on top of the radi o near the ante nna. If
this button is programmed for emergency operation,
pressing it for at least one (1) second will cause the
radio to t ransmit GE- STAR emergency sign alling. The
"EMG" status flag will turn on. GE-STAR is tr ansmitted
according to one of several different programmable
methods. See EMERGENCY OPERATION for de-
tails.
This button may also be programmed as a home
mode button. If programmed in this manner, pressing
it will switch operation to the programmed home
mode.
INDICATORS
The eight (8 ) status flags locat ed along the top
and bottom of the display indicate operating status as
follows:
EMG EMerGency mode - On indicates emer-
gency GE-STAR signalling has been initiated by the user.
The radio’s liquid crystal dis pla y (LCD) located on
the front panel has eight (8) alphanumeric characters
and eigh t (8) stat us flags. This display indicate s the
current op erating channel an d various messa ge s .
LCD backlighting will turn on for a short period
anytime an acti v e bu tton i s pre ssed o r the CON TR OL
KNOB is rotated. Backlighting may be programmed
to remain off at all times.
Figure 2 - Liquid Crystal Display
HI HIgh power transmit - On indicates the
selected channel has been programmed
for high power transmit operation. Off
indicates low power transmit.
T99 Type 99 tone decode - On indicates Type
99 tone decoding is enabled on the selected channel. Flashing indicates a T99
selective call has been received and the
radio must be reset to receive another
T99 call.
PVT PriVaTe mode - On indicates private
mode is enabled and the radio will transmit encrypted messages on the selected
channel. Flashing indicates an encrypted
message is being received.
TX Transmitter enabled - On when the radio
is transmitting.
BSY BuSY - On indicates a carrier is being
received (the channel is busy). Note that
if the selected channel is programmed for
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Channel Guard (CG), Digital Channel
Guard (DCG), or Type 99 (T99) tone decode operation, the radio may not unsquelch if a valid tone(s) is not received;
the BSY status flag will be on.
CG Channel Guard - On indicates tone Chan-
nel Guard (CG) or Digital Channel Guard
(DCG) encode/decode is enabled on the
selected channel.
BAT BATtery low - On indicates the battery
pack’s charge is low.
UNIVERSAL DEVICE CONNECTOR
The Universal Device Connector (UDC) is located
on the side of the radio just above the PTT and
MONITOR BUTTONS. This connector provides connections for the exte rnal access ories such as a h eadset, a speaker-mike, or an emergency lanyard. When
the radio is locked in a vehicular charger/repeater the
UDC provides the audio and control connections between the radio and the vehicular cha rger/repeater.
The UDC is also used by the maintenance personnel
when the radio is programmed.
ALERT TONES
The M-PA uses alert tones or "beeps" to indicate
various operating conditions. The alert tones may be
disabled when the radio is programmed.
CARRIER CONTROL TIMER
This feature, programmable on a per channel
basis, prevents unnecessary channel traffic and radio
damage in the event of a "stuck" mic. If the programmed timer times-ou t during a transmission the
radio will so und an al er t tone and disable the trans mission . The beepin g tone w ill con tinue unti l the PT T
BUTTON is released. Releasing the PTT BUTTON
resets the ti m er.
CHANNEL BUSY
If the radio is receiving a signal when the PTT
BUTTON is pressed, an aler t tone will warn the operator that the radio is receiving a carrier and the
transmission will not occur. "RX BUSY" is displayed
and the alarm is sounded as long as the PTT BUTTON
is presse d. This f e atur e i s pr og ram mab l e on or off on
a per channel basis.
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