Icom IC-2800H Marine Radio User Manual


 
Lock functions
To prevent accidental frequency changes and unnecessary
function access, use the lock function. The transceiver and
HM-98 have 2 different lock functions.
DFrequency lock
This function locks the tuning dials and switches electronically
and also locks the microphone switches.
Push [CHG/L] for 2 sec. to toggle the frequency lock func-
tion ON and OFF.
•[CHG/L], [MAIN], [MONI], [VOL], [SQL], [PTT] and [BAND] can
be used while the frequency lock function is in use. Also,
TONE-1, TONE-2, DTMF tones or DTMF memory contents can
be transmitted from the HM-98 microphone.
Push [(VFO)LOCK] for 2 sec. to toggle the func-
tion ON and OFF.
DMicrophone keypad lock
This function locks the HM-98 microphone keypad.
Push [FUNC] then [16KEYLOCK] to tog-
gle the microphone keypad lock function
ON and OFF.
•[PTT] and the 7 keys on the upper half of the
microphone can be used.
•All switches on the transceiver can be used.
•The keypad lock function is released when the
transceiver power is turned OFF then ON
again.
MID-LO
MAIN
43
3.000
12
14
5.000
12
SCP
MAIN
TS
V/M
H
SCN
M/C
LOW
MONI
SCP
MAIN
TS
V/M
H
SCN
M/C
LOW
MONI
MID-LO
“ ” appears when the lock function is in use.
19
4
FREQUENCY SETTING
LOCK
16 KEY LOCK
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