Ericsson M-PA SELECT User manual

Operator’s Manual

M-PATM SELECT MODEL

PORTABLE RADIO

(DES ALGORITHM)

LBI-38686A

TABLE OF CONTENTS (CONT.)

BATTERY PACKS . . . . . . . . . . . . . 14

INSTALLINGTHEBATTERYPACK . . . 14

REMOVING THE BATTERY PACK . . . 15

CHARGINGTHE BATTERYPACKS . . 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-CADMIUMWARRANTY . . . . . 21

TABLE OF CONTENTS

INTRODUCTION . . . . . . . . . . . . . . . 5

CONTROLS . . . . . . . . . . . . . . . . . 5

INDICATORS . . . . . . . . . . . . . . . . . 7

UNIVERSAL DEVICE CONNECTOR . . . . 8

ALERTTONES . . . . . . . . . . . . . . . . 8

OPERATION . . . . . . . . . . . . . . . . . 9

POWER-UP . . . . . . . . . . . . . . . . 9

CRYPTOGRAPHIC KEY HANDLING . . . 9

RECEIVING A MESSAGE . . . . . . . 10

TRANSMITTING A MESSAGE . . . . . 11

EMERGENCY OPERATION . . . . . . 12

OPERATINGTIPS . . . . . . . . . . . . . 12

OPERATING RULES AND

REGULATIONS . . . . . . . . . . . . . . 13

ThismanualispublishedbyEricssonInc.,withoutanywarranty.Improvementsandchangestothismanualnecessitatedbytypographicalerrors,inaccuraciesofcurrentinformation,

or improvements to programs and/or equipment, may be made by Ericsson Inc., at any time and without notice.Such changes will be incorportated into new editions of this manual.No

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 permission ofEricsson Inc.

PRODUCT SPECIFICATION FOR CE MARKED

EQUIPMENT

TheM-PAPortableconformstothefollowingProd-

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

operatedwhile inavehicularchargerintheEuropean

Communitysinceithasnotbeenevaluatedforopera-

tion in this mode.

The M-PA portable radio may be used in both

trunked and conventional applications.

Figure 1 -M-PASelect Model Radio

FRONT VIEW

SIDE VIEW

INTRODUCTION

This manual describes the operation of the

M-PA



Voice Guard® Select model radio. This full-

featuredportableradioprovidesVoiceGuardtwo-way

communicationsusingtheDataEncryptionStandard

(DES) algorithm. The M-PA Voice Guard radio pro-

videsfull-rangeperformanceforprivate(guarded)and

clear communications.

The cryptographic key in the radio provides the

encryptionanddecryptioncodenecessaryforprivate

communications. Only radios with the same crypto-

graphic key can monitor and communicate. Crypto-

graphic keys are transferred into the radio using DES

Keyloader,OptionV4025.

Operatingcontrolsontheradioincludearotatable

control knob, rotatable volume control, push-to-talk,

emergency and monitor buttons. The on/off power

switch forthe unit islocated on the removablebattery

pack.

The 8-digit alphanumeric liquid crystal display

(LCD) on the front of the radio displays the operating

statusoftheradio. Thisbacklitdisplay alsohaseight

statusflagsthatindicatevariousoperatingconditions

such as private communicationsenabled, transmitter

on, oremergency mode enabled.

The exact operation of your radio will vary de-

pending upon the mode of operation, the radio’s pro-

gramming, and the particular radio system. Consult

your radio system’s representative for particular fea-

tures that are programmed into your radio.

CONTROLS

ON/OFF SWITCH

The ON/OFF SWITCH is located on the battery

pack. Sliding this switch up will supply power to the

radio from the battery pack. An audible click will be

heard and the "ON" indicator will be exposed. When

the radio is turned on, it will perform a power-up self

testandthenresumeoperationonthepreviousoper-

ating channel as displayed in the LCD. Sliding the

switch down will turn the radio off.

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

knob in a clockwise direction will increase the audio

level. Counter-clockwise rotation will decrease the

audiolevel. Minimumlevelsmaybeprogrammedinto

the radio to prevent missed calls due to too low of a

volume setting.

CONTROL KNOB

The rotatable 16-position CONTROL KNOB lo-

cated on the top of the radio selects the operating

channel. Astopplatemaybeinstalledundertheknob

to limitthe maximumnumberofpositionstolessthan

sixteen (16). It is normally factory installed for fifteen

(15) positions.

PTT BUTTON

Pressing the PTT BUTTON on the side of the

radio will enable the radio’s transmitter. The "TX"

statusflaginthedisplaywillturnonwhentheradiois

transmitting. Releasing the PTT BUTTON will return

operation to receive mode.

MONITOR BUTTON

TheMONITORBUTTONisusedtounsquelchthe

receiver. Momentarilypressingthisbuttonwilldisable

squelch and the receiver noise will be heard in the

speaker.

If programmed enabled 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 enabled, the appropriate status flag

"CG" and/or "T99" will turn on. The MONITOR BUT-

TON may then be used to toggle CG and/or T99

between disabled and enabled by pressing and hold-

ing the it for at least one (1) second;the appropriate

status flag will toggle on or off. The MONITOR BUT-

TONisalsousedtoresetT99operationafteracallis

received.

EMERGENCY BUTTON

The EMERGENCY BUTTON is the small red

buttonlocatedontopoftheradioneartheantenna. If

this button is programmed for emergency operation,

pressing it for at least one (1) second will cause the

radiototransmitGE-STARemergencysignalling. The

"EMG"statusflagwillturnon. GE-STARistransmitted

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. Ifprogrammedinthismanner,pressing

it will switch operation to the programmed home

mode.

INDICATORS

Theradio’sliquidcrystaldisplay(LCD)locatedon

the front panel has eight (8) alphanumeric characters

and eight (8) status flags. This display indicates the

current operating channel and various messages.

LCD backlighting will turn on for a short period

anytimeanactivebuttonispressedortheCONTROL

KNOB is rotated. Backlighting may be programmed

to remain off at all times.

The eight (8) status flags located along the top

and bottomofthe displayindicateoperatingstatusas

follows:

EMG EMerGency mode - On indicates emer-

gencyGE-STARsignallinghasbeeniniti-

ated by the user.

HI HIgh power transmit - On indicates the

selected channel has been programmed

for high power transmit operation. Off

indicates low power transmit.

T99 Type99tonedecode- OnindicatesType

99 tone decoding is enabled on the se-

lected 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 trans-

mit encrypted messages on the selected

channel. Flashingindicatesanencrypted

message is being received.

TX Transmitter enabled - On when the radio

is transmitting.

BSY BuSY - On indicates a carrier is being

received (the channel isbusy). Note that

iftheselectedchannelisprogrammedfor

Figure 2 - Liquid Crystal Display

Channel Guard (CG), Digital Channel

Guard (DCG), or Type 99 (T99) tone de-

code operation, the radio may not un-

squelch if a valid tone(s) is not received;

the BSY status flag will be on.

CG ChannelGuard-OnindicatestoneChan-

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

TheUniversalDeviceConnector(UDC)islocated

on the side of the radio just above the PTT and

MONITOR BUTTONS. This connector provides con-

nectionsfortheexternalaccessoriessuchasahead-

set,aspeaker-mike,oranemergencylanyard. When

the radio islocked in avehicular charger/repeater the

UDC provides the audio andcontrolconnections be-

tween the radio and the vehicular charger/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,preventsunnecessarychanneltrafficandradio

damage in the event of a "stuck" mic. If the pro-

grammed timer times-out during a transmission the

radio will sound an alert tone and disable the trans-

mission. ThebeepingtonewillcontinueuntilthePTT

BUTTON is released. Releasing the PTT BUTTON

resets the timer.

CHANNEL BUSY

If the radio is receiving a signal when the PTT

BUTTON is pressed, an alert tone will warn the op-

erator that the radio is receiving a carrier and the

transmission will not occur. "RX BUSY" is displayed

andthealarmissoundedaslongasthePTTBUTTON

ispressed. Thisfeatureisprogrammableonoroffon

a per channel basis.

RECEIVE ONLY CHANNEL

Ifthe selectedchannelisprogrammedasreceive

onlytheradiowillsoundanalerttoneifatransmission

is attempted. "RXONLY" is displayed.

RADIO/CHANNEL FAILURE

Ifthesynthesizerisunabletolockcorrectlyonthe

selected channel, or another radio failure occurs, an

alert tone will sound. If incorrect programming is

detected or the synthesizer fails to lock, the display

flashes "NO LOCK" then the selected channel’s

name.

OPERATION

POWER-UP

After the battery pack and antenna have been

installed, turn the radio on by sliding the ON/OFF

SWITCH on the battery pack up. After the radio has

completedapower-upself-test,itwillbeginoperation

onthelastoperatingstateasdisplayedintheLCD. If

programmed on, the power-up alert tone (beep) will

be heard.

CRYPTOGRAPHIC KEY HANDLING

Cryptographic keys are transferred into the radio

using the Keyloader, Option V4025. Refer to the

Keyloader operator’s manual (LBI-31541) for detailed

instructions on how to load keys into the Keyloader.

The radio is capable of storing up to seven (7)

different cryptographic keys in its memory. It is pro-

grammed for key selection on a per channel basis.

Transferring Keys Into The Radio

The following procedure outlines basic key trans-

ferring steps. See LBI-31541 for more details.

1. Turn the radio off.

2. Plug the modular connector of the Key-

loader cable into the Keyloader’s modular

jack.

Before private messages can be sent or

received, one or more cryptographic keys

must be transferred into the radio from the

Keyloader.

NOTE

3. ConnecttheKeyloadercabletotheUDCon

the radio.

4. PressthePWRbuttonontheKeyloaderand

wait for the Keyloader to display "MASTER

MODE".

5. Press the TRN button on the Keyloader. If

necessary, select a different cryptographic

key to be transferred into the radio.

6. Turn the radio on. The display should read

"KEY LOAD".

7. Press the EXE button on the Keyloader to

transfer the key. The Keyloader will display

"GOOD 1.x TRANSFER" where "x" is the

selected cryptographic key number.

8. Disconnect the cable from the radio’s UDC.

A single beep will be heard from the radio’s

speaker if the power-up alert tone is en-

abled. Theradiowillchangetotheselected

channel as indicated in the display.

Key Zero

All cryptographic keys stored in the radio can be

zeroed or "dumped" by removing the battery pack for

several minutes (typically three). When the battery

pack is later reinstalled and the radio is powered-up,

itwilldisplay"KEYZERO"andemitaseriesofbeeps.

If cryptographic key(s) are zeroed, one or more keys

must betransferredinto the radiofromthe Keyloader

before private communications may continue. Disas-

sembling the front half of the radio from the rear half

will also zero all keys.

RECEIVING A MESSAGE

1. Slide the ON/OFF SWITCH on the battery

packtotheonposition. Theradiowillinitiate

and complete the power-up self-test and

beep if the power-up alert tone is pro-

grammed on.

2. Select the desired channel.

3. Press the MONITOR BUTTON to disable

squelch and adjust the VOLUME CON-

TROL for the approximate desired speaker

audio level. Pressing the MONITOR BUT-

TONmayaffectChannelGuardand/orType

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