APCO P25 Mode Operation
5
Push [PTT] to make a Phone call to the target
telephone station.
• The Busy/Transmit indicator lights red.
• Beeps sound after the Phone call is connected to
the target telephone station.
• If your Phone call is not connected, push [Digital
Button] (or [Phone]) to return to normal operation.
▒
Not available on Non-display model.
1
Push [Digital Button] to enter the digital call type
selection mode.
2
Push [CH Up] or [CH Down], or rotate
[CH Up/Down] to select “ANNOUNCEMENT.”
6
Push and hold [PTT] and speak into the
microphone.
7
Release [PTT] to receive.
8
After the conversation is finished, push [Digital
Button] (or[Phone]) to disconnect the Phone call
and return to normal operation.
3
Push and hold [PTT] to transmit the
announcement signal to the target group.
The Busy/Transmit indicator lights red
Receiving
▒
Not available on Non-display model.
1
When a Phone call is received;
• The Busy/Transmit indicator lights green.
• The ringer sounds. (Depending on the pre-
setting.)
• “PHONE CALL” blinks.
• The Busy/Transmit indicator lights red.
4
Push and hold [PTT] and speak into the
microphone.
5
Release [PTT] to stop transmitting.
Receiving
▒
Not available on Non-display model.
• The phone number of the calling telephone station
is displayed.(Trunking mode only.)
• “ ” blinks.
1
When a matched announcement signal is
received;
• The Busy/Transmit indicator lights green.
• The ringer sounds. (Depending on the pre-set
value.)
• “ANNOUNCEMENT” and calling station ID
(or name) are displayed for 2 sec (Depending on
the pre set value )
2
Speak into the microphone while pushing and
holding [PTT].
• The Busy/Transmit indicator lights red.
3
Release [PTT] to receive.
4
After the conversation is finished, push
the pre-set value.)
2
You can listen to the announcement.
The calling station name (or ID)
[Digital Button](or [Phone]) to hang up and
return to normal operation.
■
Announcement function
Transmitting
The Announcement function allows you to send an
announcement signal to only a specific group, and
■
Emergency transmission
The P25 emergency mode can be accessed by
pushing the [Emergency] key. An Emergency alarm
is automatically transmitted once, or repeatedly*1,
to the dispatcher (Trunking mode) or Talkgroup
(Conventional P25 mode).
Moreover, while in the emergency mode, Emergency
48
only in the Trunking mode.
The members of the target group can only receive,
and not transmit, announcements.
[Digital Button] key assignment is necessary to use
the Announcement function.
Moreover, while in the emergency mode, Emergency
calls can be transmitted with [PTT] to a Talkgroup. If
your transceiver is programmed for Silent operation,
you can transmit Emergency alarms and Emergency
calls without the beep sounding or the LCD display
lighting.