ICOM ic-2720h User Manual

Page of 96
21
3
BASIC OPERATION
New2001
■ One-touch PTT function
The PTT switch can be operated as a one-touch PTT switch
(each push toggles between transmit/receive). Using this
function you can transmit without pushing and holding the
PTT switch.
To prevent accidental, continuous transmissions with this
function, the transceiver has a time-out timer. See p. 61 for
details.
z Push [FUNC] then [
PRIO
3(PTT-M)] to turn the
one-touch PTT function ON.
• The activity indicator lights green.
x Push [PTT] to transmit and push again to re-
ceive.
• A beep sounds when transmission is started and a
long beep sounds when returning to receive.
• “$” blinks when transmitting with the one-touch
PTT function.
c Push [FUNC] then [
PRIO
3(PTT-M)] to turn the
one-touch PTT function OFF.
• The activity indicator goes out.
■ Audio mute function
This function temporarily mutes the audio without disturbing
the volume setting.
➥ Push [FUNC] then [
SQL
Y
D(MUTE)] to mute
audio signals.
• Both the left and right bands S/RF meter blink in full-
scale condition. 
• Push [
CLR
A(MW)] (or any other key) to cancel the
function.
BUSY
MAIN
T  X
MAIN
T  X
M
M
S/RF meter blinks (full-scale).
MUTE
MAIN
T  X
T  X
M
indicator blinks
PTT-M
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