Icom IC-GM651 Instruction Manual page 17

y Push and hold [PTT] to transmit, then speak into the mi-
crophone.
• "TX" appears.
• Channel 70 cannot be used for transmission other than DSC.
u Release [PTT] to receive.
IMPORTANT: To maximize the readability of your trans-
mitted signal, pause a few sec. after pushing [PTT], hold
the microphone 5 to 10 cm from your mouth and speak at
a normal voice level.
4 NOTE for TOT (Time-out Timer) function
The TOT function inhibits continuous transmission over 5
minutes after the transmission starts.
A short beep sounds 10 seconds before the TOT function is
activated, and "TOT" blinks in the channel comment indicator.
When the TOT is activated, error beeps sound at normal vol-
ume while [PTT] is pushed.
• Transmission is not possible and "TIME OUT" appears in the
channel comment indicator for 10 sec. after this transmission shut
down.
When the optional HS-98 is used, the receiving audio is
emitted from the connected external speaker, or muted
depending on the speaker switch condition. See p. 117
for details.
BASIC OPERATION
t Select the
e Change the
output power
channel group
MIC
VOL SQL
w Set the audio
and squelch
levels
u Receive
y Transmit
Microphone
e Change the
channel group
(while pushing this
key, push [DIAL] on
r Select a
the transceiver. )
channel
t Select the
output power
HM-126RB
3
r Select a
channel
C
16
q Turn power ON
r Select a channel
HS-98
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
9