Icom IC-2820H Instruction Manual - Page 40

Lock functions

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2 SETTING A FREQUENCY ■ Lock functions To prevent accidental frequency changes and unnecessary function access, use the lock function. The transceiver has 2 different lock functions. D Frequency lock This function locks dials and keys electronically and can be used together with the microphone lock function. [F• ] D Microphone keypad lock This function locks the microphone keypad. ➥ Push [FUNC] then [SQLZ D(16KEY-L)] to turn 16KEY-L the microphone keypad lock function ON and OFF. • [PTT], [VFO/LOCK], [MR/CALL], [BAND], [Y], [Z], [F-1], [F-2], [DTMF-S] and [FUNC] on the microphone can be used. • All keys on the transceiver can be used. • The keypad lock function is released when the power is turned OFF then ON again. " " appears while the lock function is activated. ➥ Push and hold [F• ] for 1 sec. to turn the lock function ON and OFF. • [PTT], [DUP•MONI] (monitor function only), [VOL], [SQL] and [MAIN•BAND] (main band selection only) can be used while the channel lock function is in use. Also, TONE-1, TONE-2, DTMF tones or DTMF memory contents can be transmitted from the microphone. ➥ Push and hold [VFO/LOCK] for 1 sec. to VFO/LOCK turn the lock function ON and OFF. 19

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19
2
SETTING A FREQUENCY
■
Lock functions
To prevent accidental frequency changes and unnecessary
function access, use the lock function. The transceiver has 2
different lock functions.
D
Frequency lock
This function locks dials and keys electronically and can be
used together with the microphone lock function.
➥
Push and hold
[
F
•
]
for 1 sec. to turn the lock function
ON and OFF.
•
[PTT]
,
[DUP•MONI]
(monitor function only),
[VOL]
,
[SQL]
and
[MAIN•BAND]
(main band selection only) can be used while the
channel lock function is in use. Also, TONE-1, TONE-2, DTMF
tones or DTMF memory contents can be transmitted from the mi-
crophone.
➥
Push and hold [VFO/LOCK] for 1 sec. to
turn the lock function ON and OFF.
D
Microphone keypad lock
This function locks the microphone keypad.
➥
Push [FUNC] then [
SQL
Z
D(16KEY-L)] to turn
the microphone keypad lock function ON and
OFF.
• [PTT], [VFO/LOCK], [MR/CALL], [BAND], [
Y
], [
Z
],
[F-1], [F-2], [DTMF-S] and [FUNC] on the micro-
phone can be used.
• All keys on the transceiver can be used.
• The keypad lock function is released when the
power is turned OFF then ON again.
16KEY-L
VFO/LOCK
[
F
•
]
“
” appears while the lock function is activated.