I Lock Functions - Icom IC-2820H Instruction Manual

2
SETTING A FREQUENCY

I 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• ]
" " appear while the lock function is activated.
➥ Push and hold [F•
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
VFO/LOCK
turn the lock function ON and OFF.
19
] for 1 sec. to turn the lock function
D Microphone keypad lock
This function locks the microphone keypad.
➥ Push [FUNC] then [
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 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.
D(16KEY-L)] to turn
Z
SQL