Icom IC-M402 [36/50] I lock functions

HM-127 REMOTE-CONTROL MICROPHONE

t Push and hold [PTT] to transmit, then speak into the mi-

crophone.

•“ ” appears.

•Ch 70 cannot be used for transmission (for GMDSS use).

Simplex channels, 3, 21, 23, 61, 64, 81, 82 and 83 CAN-

NOT be lawfully used by the general public in U.S.A. wa-

ters.

y Release [PTT] to receive.

IMPORTANT: To maximize the readability of your trans-

mitted signal (voice), pause a few sec. after pushing [PTT],

hold the microphone 2 to 5 cm (1 to 2 inches) from your

mouth and speak at a normal voice level.

•Tri-watch becomes dualwatch when receiving a signal on the call

channel.

■ Lock functions

The lock function electronically locks keys and switches to

prevent accidental changes and function access from the mi-

crophone.

• All keys, switches and controllers on the transceiver are functional.

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Microphone key lock function

➥ Push [SQL] while pushing

[H/L] to turn the lock function

ON and OFF.

•“ ” appears.

•Only [PWR], [PTT], [H/L],

[SQL•MONI], [VOL]+[Y]/[Z]

and [SQL]+[Y]/[Z] are func-

tional.

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All key lock function

➥ Turn the power ON by pushing

[PWR] while pushing [H/L] to

turn the all key lock function

ON and OFF.

•“ ” ﬂashes.

•Only [PWR] and [PTT] are func-

tional.

Appears when the micro-

phone lock function is in use.

Flashes when the all lock

function is in use.

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