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.
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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.
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(default: OFF)
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(default: OFF)
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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.
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D D Active band
Allows continuous frequency selection of the operating fre-
quency across all bands.
• SINGLE : A single operating frequency can be se-
lected within the current band. Push
[BAND] for band selection in this case.
• ALL : The operating frequency can be selected
continuously. (default)
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