Ericsson LBI-31629B - Manual (Page 5)

Assemble these parts into one unit according to the fol-
lowing procedure and as shown in Figure 1 - M-PD Operat-
ing Controls and Accessories.
1. Screw the antenna or the RF test connector
In its receptacle. A clockwise turn will insert the
antenna or RF test connector, while a counter
clockwise turn will remove them.
2. Slide the battery pack along the bottom of the M-
PD main unit from the arrow-marked direction,
shown in Figure 1, until the battery pack locks into
place.
Operating Procedure (Refer to Figure 1)
To Receive a Message:
1. Slide the Power switch on the side of the battery
pack up to turn on the radio.
2. Select a desired channel within a selected mode by
pressing the ▲ mark side or ▼ mark side, of the
CHAN switch 6 while watching the indicaion in the
display window.
An operating channel may also be selected by
pressing the CHAN key on the front keypad.
Pressing this CHAN key displays the current oper-
ating channel. To select a different channel, key in
the channel number, then press the CHAN key.
The display will indicate the new channel name or
number and update the display flags.
An operating mode may be selected by pressing the
MODE key, also located on the front keypad.
Pressing the MODE key displays the current mode.
To select a different mode, key in the desired mode
number, then press the MODE key. The new mode
will be displayed.
3. To monitor the channel for idle or busy, watch for
the "BSY" symbol to be illuminated in the display
or audibly monitor the channel by simultaneously
depressing both the ▲ and ▼ volume buttons.
4. Adjust the audio volume to the desired level by
pressing the ▲ mark side (to turn the volume up) or
the ▼ mark side (to turn the volume down) of the
VOL switch . As the VOL switch is operated,
the indication in the display window changes 1
through 31 (about 45 dB). The volume level cannot
be set lower than the level programmed in the mini-
mum volume option.
To Send a Message:
Hold the radio so that the antenna is vertical. Then, press
the Push-to-Talk (PTT) bar on the left side of the main
unit an speak directly into the microphone in a clear and dis-
tinctive voice. Always release the PTT bar as soon as you
stop talking.
Upon pressing the PTT bar, an indication will appear in
the display window .
To Make a Telephone Call:
You can make a telephone call by direct entry through
the DTMF keypad or through the Recall Telephone Num-
ber feature.
1. Turn the radio on, adjust the audio level and select
the desired operating channel as covered in TO
RECEIVE A MESSAGE.
Either the antenna or the RF connector should
be connected to the M-PD radio main unit, as
desired. If the RF connector is inserted in the
receptacle, located in the side of the unit, the an-
tenna connector circuit will become open.
NOTE
Display
If BSY If BSY lights, it
means that the channel
is busy.
Lights while you are
speaking.
Lights for high power.
The M-PD unit is provided with an optional timer
which inhibits continuous transmission beyond
about 12O seconds. When transmission is inter-
rupted due to "time-out", you can resume transmis-
sion by releasing and then pressing the PTT bar
again.
NOTE
Figure 1 - M-PD Operating Controls and Accessories
LBI-31629
4