Ericsson M-PA EDACS User manual

Operator’s Manual
Mobile Communications
LBI-38979
EDACSM-PA
PORTABLE RADIOS

TABLE OF CONTENTS
INTRODUCTION. . . . . . . . . . . . . . . . . 3
CONTROLS. . . . . . . . . . . . . . . . . . . . . 5
INDICATORS. . . . . . . . . . . . . . . . . . . . 15
UNIVERSAL DEVICE CONNECTOR. 17
ALERT TONES . . . . . . . . . . . . . . . . . . 18
OPERATION . . . . . . . . . . . . . . . . . . . . 19
POWER-UP . . . . . . . . . . . . . . . . . . . 19
SYSTEM/GROUP/CHANNEL
SELECTION. . . . . . . . . . . . . . . . . . . 19
TRUNKED MODE OPERATION . . . 22
Receiving A Message . . . . . . . . . . . 22
Sending A Message. . . . . . . . . . . . . 24
Emergency Operation . . . . . . . . . . . 25
Dynamic Regrouping . . . . . . . . . . . . 26
Wide Area System Scanning. . . . . . 27
Scanning Trunked Groups. . . . . . . . 27
Special Calls. . . . . . . . . . . . . . . . . . . 29
CONVENTIONAL MODE
OPERATION . . . . . . . . . . . . . . . . . . . . 36
Receiving A Message . . . . . . . . . . . 36
Sending A Message. . . . . . . . . . . . . 37
Emergency Operation . . . . . . . . . . . 38
Scanning Conventional Channels . . 39
Telephone Interconnect Calls . . . . . 42
OPERATING TIPS. . . . . . . . . . . . . . . . 42
TABLE OF CONTENTS
(Continued)
OPERATING RULES AND
REGULATIONS . . . . . . . . . . . . . . . . . 43
HANDLING OF BATTERY AND
ACCESSORIES. . . . . . . . . . . . . . . . . 43
REPLACING THE BATTERY
PACK. . . . . . . . . . . . . . . . . . . . . . . . 43
CHARGING THE BATTERY
PACKS. . . . . . . . . . . . . . . . . . . . . . . 44
RECHARGEABLE BATTERY
PACK DISPOSAL . . . . . . . . . . . . . . 45
USING VEHICULAR CHARGER
IN MOBILE CONFIGURATION. . . . 47
CARRYING THE RADIO IN BELT
LOOP OR BELT CLIP. . . . . . . . . . . 49
CARRYING THE RADIO IN
LEATHER CASE OR PLASTIC
HOLDER . . . . . . . . . . . . . . . . . . . . . 50
REMOVING AND REPLACING
THE SWIVEL MOUNT . . . . . . . . . . 50
CONNECTING AUDIO
ACCESSORIES. . . . . . . . . . . . . . . . 51
CHARGERS . . . . . . . . . . . . . . . . . . 51
AUDIO ACCESSORIES . . . . . . . . . 54
CARRYING ACCESSORIES . . . . . 56
Copyright© May 1993, Ericsson GE Mobile Communications Inc.
2

INTRODUCTION
The EDACS
TM
M-PA
TM
Select,
Scan and System model radios are
high-quality microprocessor-control-
led synthesized two-way FM portable
radios. These full-featured radios are
designed for operation in EDACS
(Enhanced Digital AccessCommuni-
cations System) trunking systems
and conventional radio systems.
M-PA operation is highlighted by the
radio’s programming versatility. This
permits custom operation of each ra-
dio to meet the needs of the radio
system and the individual users.
This manual describes operating
procedures for the three (3) different
radio models.
The M-PA Select model radio is
thebasic version ofthe radio that can
be programmed with up to sixteen
(16) independent trunked groups
and/or conventional radio channels.
Thisunitfeaturesaneight-digitalpha-
numeric liquid crystal display (LCD)
and a 16-position knob for group/
channel selection. The display also
has status flags that indicate various
operating modes and it is backlit for
nighttime and low-level ambient light
operation.
Scan and System model radios
have an LCD similar to the Select
model radio. These radios have front
panel keypads thatprovide additional
operating features not available on
the Select model radio. The Scan
model radio has a 4-button keypad
and the System model radio has a
16-buttonkeypad.Additionalfeatures
3

Figure 2 - Select Model
Figure 1 - Side View (All Models)
4

include expanded system and
group/channel selection capability,
trunked group and conventional
channel scan capability, trunked
mode individual call capability, and
telephoneinterconnectcallcapability.
The numeric keypad on the System
modelradioalso allowsstorageoften
(10) operator-entered telephone
numbers and ten (10) operator-en-
tered radio ID numbers. These num-
bers can be recalled at will and
initiated. Manually dialed telephone
interconnect with overdial capability
andconventionalmodeDTMFdialing
is also provided by the System
model’s 16-button keypad.
The exact operation of a particu-
lar radio will vary depending upon its
mode of operation, its programming,
and the particular radio system. Con-
sult a radio system’s representative
for particular features that are pro-
grammed into the radio.
The radio operates in trunked
mode when a trunked system is se-
lected andit operates in conventional
mode when a conventional system is
selected.
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 audi-
ble click will be heard and the "ON"
indicator will be exposed. When the
radio is turned on, it will perform a
power-up self test and resume oper-
5

Figure 3 - Scan Model Figure 4 - System Model
6

ating on the previous group or chan-
nel. 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
volume level in the speaker. Rotating
this knob in a clockwise direction will
increase the volume and counter-
clockwise rotation will decrease the
volume. Minimum volume levels can
be programmed into the radio to pre-
vent missed calls when the knob is
rotated fully counter-clockwise.
CONTROL KNOB
The rotatable 16-position CON-
TROLKNOB located onthetop of the
radioprovidessystem,grouporchan-
nel selection according to how the
radio is programmed. A stop plate
may be installed under the knob to
limit the maximum number of posi-
tions to less than sixteen (16). It is
normally factory installed for fifteen
(15) positions.
On the Select model radio, the
CONTROL KNOB selects any one of
trunked systems and groups or con-
ventional channels programmed into
the radio.
On Scan and System model ra-
dios,the CONTROL KNOBis used in
combinationwiththekeypadtoselect
7

a specific trunked system and group
or a conventional channel. Theselec-
tion method is determined by the ra-
dio’s programming. See the section
entitled "SYSTEM/GROUP/CHAN-
NEL SELECTION" in the "OPERA-
TION" section of this manual for
details.
PTT BUTTON
Pressing the PTT BUTTON on
the side of the radio turns on the
radio’s transmitter. The "TX" status
flaginthedisplaywillturnonwhenthe
radio is transmitting. Releasing the
PTT BUTTON will return operation to
receive mode.
Whenoperatingonatrunkedsys-
tem,theradiomaybe programmed to
automatically transmit (without the
operator pressing the PTT BUTTON)
to maintain communication with the
sitecontroller. The"TX" status flag in
thedisplaywillturn on whentheradio
is transmitting.
MONITOR BUTTON
Trunked Mode
Whenoperatingonatrunkedsys-
tem in specialcall mode,pressing the
MONITOR BUTTON after an individ-
ual call has been received will return
the radio to the group call mode. In
this condition, the radio will not re-
spondon an individual basis but it will
then transmit group calls upon sub-
sequent activations of the PTT BUT-
TON.Theradiowillalsoautomatically
return tothegroup callmode afterthe
8

programmed individual call-back
time-out period expires.
This button is also used to toggle
between group and regroup settings
if the Dynamic Regrouping mode
(with deselect capability) has been
activated by the site controller.
On the System model radio,
pressing the MONITOR BUTTON will
clear all digits entered from the nu-
meric keypad and return the radio to
the selected group display.
Conventional Mode
When the radio is operating in
conventional mode (on a conven-
tional channel), the MONITOR BUT-
TONisusedtotemporarilyunsquelch
the receiver so channel traffic can be
monitored. Momentarily pressing it
will unsquelch the receiver.
IftheselectedchannelhasChan-
nel Guard (CG) and/or Type 99 (T99)
coded-squelch tone decode feature
programmed for the selected chan-
nel, this button can also be used to
enable and disable the programmed
feature.Repeatedactivationswilltog-
gle CG and/or T99 between the en-
abled (on) and disabled (off) states.
To toggle the programmed feature,
press and hold the MONITOR BUT-
TON until the appropriate status flag
toggles (at least two (2) seconds).
The MONITOR BUTTON is also
usedtoresettheradioafteraType99
(T99) selective call has been suc-
cessfully received. If the radio is op-
erating in a Type 99 mode,
momentarily press the MONITOR
9

BUTTONtoresettheradioafteraT99
call is successfully received.
EMERGENCY BUTTON
When the radio is operating in
trunked mode, pressing and holding
the red EMERGENCY BUTTON on
topof the radio forapproximately one
(1) second will initiate an emergency
call on the programmed home group.
If no home group is programmed into
the radio the emergency call will be
transmitted on the selected group.
In conventional mode, initiating
an emergency call by pressing the
EMERGENCY BUTTON will cause
the radio to transmit GE-STARemer-
gency signalling on the programmed
emergency channel. If no emergency
channel is programmed, GE-STAR
emergencysignallingwillbetransmit-
ted on the selected channel.
STEP BUTTON
(Scan And System Models Only)
The STEP button located on the
keypad can be programmed to select
trunked groups and conventional
channels
or it can be programmed to
select systems. See the section enti-
tled "SYSTEM/GROUP/CHANNEL
SELECTION" for details.
STEP is also used to scroll
through the programmed special call
table when the special call mode is
enabled.
10

SCAN BUTTON
(Scan And System Models Only)
Pressing the SCAN buttonon the
keypad will toggle scan operation on
and off. When the radio is scanning,
the "SCN" status flag in the display
will turn on and all groups/channels
on the scan list in the current system
will be scanned.
SPC BUTTON
(Scan And System Models Only)
Pressing SPC will switch opera-
tionfrom the group select modetothe
special call mode. The last selected
special call will be displayed.
While in special call mode, the
next programmed special call can be
Figure 5 - Scan Model Keypad
Figure 6 - System Model Keypad
11

selected by pressing STEP. Pressing
2nd then STEP will select the pre-
vious programmed special call. The
caller’s ID of the last received individ-
ual call and the last received group
call on the selected group are also
selectable using this method. See
"Special Calls" for details.
2nd BUTTON
(Scan And System Models Only)
On an M-PA Scan model radio
the two (2) center buttons (SCAN and
SPC) onthekeypadaredual-function
buttons. The second or shifted func-
tions are accessed by first pressing
the blue 2nd button. The SCAN but-
ton’s second function is scanadd/de-
leteforscanlistupdating.Thesecond
function for the SPC button is the
keypad lock feature.
OnanM-PASystemmodelradio,
six (6) of the buttons on the keypad
are dual-function buttons. Press and
release the blue 2nd function button
to shift keypad selection to the scan
add/delete (SCAN button), the key-
pad lock feature (SPC button), STO,
RCL, CLR, or STS buttons.
ADD/DELETE BUTTON
(Scan And System Models Only)
When in trunked mode, pressing
and releasing 2nd and then pressing
A/D (shifted SCAN button) will toggle
theselectedgrouponandoffthescan
list.Whentheselectedgroupisonthe
scan list, the "S" status flag will show
in the display.
In conventional mode, pressing
and releasing 2nd and then pressing
12

A/D (shifted SCAN button) will scroll
the selected channel’s scan priority
betweennon-priorityscan("S" status
flag), priority-two scan ("2" status
flag), priority-one scan ("1" status
flag) and no scan (no status flags).
Scan must be turned off ("SCN"
statusflag off) before groupsor chan-
nels can be added to or deleted from
the scan list.
LOCK BUTTON
(Scan And System Models Only)
Theradio’skeypad canbelocked
to prevent accidental activations. To
lock the keypad, simultaneously
press the 2nd and LOCK (shifted
SPC); "LOCKED" will be displayed
when thekeypad islocked.Tounlock
the keypad, press the 2nd and LOCK
buttons again; "UNLOCKED" will be
displayed momentarily.
STO BUTTON
(Shifted Digit 1 - System Model
Only)
STO (shifted digit 1) allows ten
(10) telephone numbers and ten (10)
radio ID numbers to be stored and
later recalled with the RCL button.
Store a telephone number by en-
tering the number (up to 29 digits)
followedbyanasterisk(*).Next,enter
thestoragelocation(1-10)andpress
andrelease2ndand thenpressSTO.
"STORED" will be displayed for two
seconds.
Storeindividual radioIDnumbers
by entering the ID number (1 -16382)
13

followed by a pound sign (#). Next
enter the storage location (1 - 10).
Pressandrelease2ndandthenpress
STO. "STORED" willbedisplayedfor
two seconds.
RCL BUTTON
(Shifted Digit 3 - System Model
Only)
RCL allows the previously stored
telephone or radio ID numbers to be
recalled. To recall a number, first en-
ter an * or # (* for telephone number,
# for radio ID number) and then enter
the storage location (1 - 10). Next,
press andrelease2ndandthenpress
RCL.Therecalled number willbedis-
played.
CLR BUTTON
(Shifted # Button - System Model
Only)
To clear the last digit entered,
press andrelease2ndandthenpress
CLR (shifted # button). Holding CLR
down will repetitively clear previous
digits. The radio will return to the last
operatingstatewhenallentereddigits
are cleared.
STS BUTTON
(Shifted Digit 5 - System Model
Only)
The STS button will be used for
future status operations.
14

INDICATORS
The radio’s liquid crystal display
(LCD) located on the front panel has
eight (8) alphanumeric characters
and various status flags located
above and below the alphanumeric
characters. This display provides in-
dicationsofthecurrentoperatingsys-
tem, group or channel and it displays
variousother messagessuch as spe-
cial call ID names or numbers, and
telephone interconnect numbers. If
programmed on, LCD backlighting
will turn on for a short period anytime
an active button is pressed or the
CONTROL KNOB is rotated.
Thestatusflagslocatedalongthe
topand bottom of the displayindicate
operating modes and conditions as
follows:
EMG EMerGency mode - On indi-
cates an emergency call has
been initiated by the user.
Flashing indicates an emer-
gency call has been re-
ceived.
NC No Controlchannel - On indi-
cates the radio is not receiv-
ing the trunked control
channel. Flashing indicates
the trunked system is in a
failsoft condition (supervi-
sory radios only).
Figure 7 - Liquid Crystal Display
15

HI HIgh power transmit - On in-
dicates the selected system
or channel has been pro-
grammed for high power
transmit operation. Off indi-
cates low power transmit.
MSG MeSsaGe - Flashing indi-
cates an individual call has
been received (trunked
mode).
T99 Type 99 tone decode - On
indicates Type 99 tone de-
coding is enabled on the se-
lected conventional channel.
Flashing indicates a T99 se-
lectivecallhasbeenreceived
and the radio must be reset
to receive another T99 call.
CNV CoNVentional mode - On in-
dicates the radio is operating
in the conventional mode.
SPC SPecial Call mode - On indi-
cates the special call mode
hasbeenenabled.(Scanand
System models only)
TX Transmitter enabled - On
when the radio is transmit-
ting.
BSY BuSY - When in trunked
mode, on indicates the radio
is receiving a call; flashing
indicates a call has been
queued. In conventional
mode, on indicates a carrier
is being received.
16

CG Channel Guard - On indi-
cates Channel Guard de-
code is enabled on the
selected conventional chan-
nel.
BAT BATtery low - On indicates
the battery pack’s charge is
low.
SScan list - On indicates the
selected group or channel is
on the scan list. (Scan and
System models only)
1priority 1 - On indicates the
selected conventional chan-
nelisdesignatedastheprior-
ity-one scan channel. (Scan
and System models only)
2priority 2 - On indicates the
selected conventional chan-
nelisdesignatedastheprior-
ity-two scan channel. (Scan
and System models only)
SCN SCaN mode - On indicates
the radio is scanning. (Scan
and System models only)
UNIVERSAL DEVICE
CONNECTOR
The Universal Device Connector
(UDC) is located on the side of the
radio just above the PTT and MONI-
TOR BUTTONS. This connector pro-
vides connections for the external
accessories such as a headset, a
speaker-mike, or an emergency lan-
yard. When the radio is locked in a
vehicular charger/repeater the UDC
provides the audio and control con-
nections between the radio and the
17

vehicular charger/repeater. The UDC
is also used by the maintenance per-
sonnel when the radio is pro-
grammed.
ALERT TONES
The radio sounds three (3) basic
alerttones or "beeps" to indicate vari-
ous operating conditions. Alert tones
may be programmed to remain off at
all times.
500 Hz Tone - trunked failure
tone - sounds
when a trunked
failure has oc-
curred (call de-
nied, failed
confirmation)
1000 Hz Tone - keypressed -
sounds when a
button is pressed
and a status
change occurs
- channel access
tone - sounds
when a trunked
channel has been
assigned and it is
clear to talk
- low battery -
sounds when the
battery pack’s
charge is low
2500 Hz Tone - call queued tone -
sounds when a
trunked call is
queued
18

OPERATION
POWER-UP
After the battery pack and an-
tenna have been installed, turn the
radio on by sliding the ON/OFF
SWITCHonthebatterypackup.After
the radio has completed a power-up
self-test, it will begin operation on the
last operating state as displayed in
the LCD. If programmed on, the
power-up alert tone (beep) will be
heard.
If the radio was previously oper-
ating in a trunking system and com-
munication with this system’s control
channel cannot be established, the
"NC" statusflagwillturnon.Thismay
occur if, for example, the radio is out
of range of the previous trunking site.
It may be necessary to move to an-
otherlocation,selectanothertrunking
system, or a conventional channel.
SYSTEM/GROUP/CHANNEL
SELECTION
The Select model radio can be
programmed with up to sixteen (16)
different system/group or channel
combinations. To select a particular
group or channel, rotate the CON-
TROL KNOB to the desired sys-
tem/group or channel in accordance
with the radio’s programming.
The Scan and System model ra-
dios are programmed with
one of two
different system/group/channel se-
lection modes as follows:
19

• Systems are selected with
the STEP button; groupsand
channels are selected with
the CONTROL KNOB.
or
• Systems are selected with
the CONTROL KNOB;
groups and channels are se-
lected with the STEP button.
STEP Button Programmed For
System Selection; CONTROL
KNOB Programmed For Group
And Channel Selection
System Selection
PressandreleaseSTEPtoselect
thenext trunkedsystem programmed
into the radio as indicated in the dis-
play. To select the previous system,
press andrelease2ndandthenpress
STEP.HoldingdownSTEPwillcause
the radio to automatically scroll
through the system list. One or more
of the systems may be programmed
for conventional mode operation.
Upon reaching an end of the system
list, the radio may be programmed to
stop selection or wrap around (go
from one end to the other).
On the System model radio, sys-
temscanalsobe selectedbyentering
the system number from the numeric
keypad and then pressing STEP. If a
number out of theprogrammed range
is entered, "RANGE" will be dis-
played.
20