![background image](http://html1.mh-extra.com/html/icom/ic-f9020-series/ic-f9020-series_operating-manual_4296910031.webp)
28
3
APCO P25 MODE OPERATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
t
Push
[PTT]
to transmt the rado check sgnal to the target
staton.
• The Busy/Transmt ndcator
(for Handhelds) or Transmt ndca-
tor (for Mobles) lghts red.
• “
PLEASE WAIT
” s dsplayed.
y
Release
[PTT]
.
• “
ACK RECEIVED
” s dsplayed after recevng an acknowledge-
ment from the target staton, and then the transcever returns to
normal operaton.
• Busy ndcator lghts green.
• “
NO ACKNOWLDG
” s dsplayed when an acknowledgement s
not receved, and then transcever returns to normal operaton.
D
Receiving
Not avalable on Non-dsplay types n the Conventonal
mode.
➥
When a rado check sgnal s receved, the transcever au-
tomatcally transmts an acknowledgement.
• The Busy/Transmt ndcator
(for Handhelds) or Busy ndcator
(for Mobles) lghts green whle recevng, and lghts red whle
transmttng an acknowledgement.
• The functon dsplay does not change whle transmttng.