Icom IC-91A Instruction Manual page 97

D D PTT lock
Turns the PTT lock function ON and OFF.
Transmission with [PTT] is inhibited when ON is selected to
prevent accidental transmission, etc.
PTT LOCK
OFF OFF
r
ON ON
D D Busy lockout
Turns the busy lockout function ON and OFF.
This function inhibits transmission while receiving a signal or
when the squelch is open.
BUSY LOCKOUT
OFF OFF
r
ON ON
(default: OFF)
PTT LOCK
OFF OFF
ON ON
r
(default: OFF)
BUSY LOCKOUT
OFF OFF
ON ON
r
MENU SCREEN OPERATION
D D Time-out timer
To prevent accidental prolonged transmission, etc., the trans-
ceiver has a time-out timer. This function cuts a transmission
OFF after 1, 3, 5 or 10 min. of continuous transmission. This
timer can be cancelled.
• OFF : The time-out timer is turned OFF. (default)
• 1 to 10 MIN : The transmission is cut OFF after the set
period elapses.
TIME-OUT TIMER
OFF OFF
r
1MIN 1MIN
3MIN 3MIN
5MIN 5MIN
10MIN 10MIN
D D Active band
Allows continuous frequency selection of the operating fre-
quency across all bands.
• SINGLE : The operating frequency can be selected
within the current band. Push [BAND] for
band selection in this case.
• ALL : The operating frequency can be selected
continuously. (default)
ACTIVE BAND
SINGLE SINGLE
ALL ALL
r
11
TIME-OUT TIMER
OFF OFF
1MIN 1MIN
3MIN 3MIN
5MIN 5MIN
10MIN 10MIN
r
ACTIVE BAND
SINGLE SINGLE
r
ALL ALL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
91