30
10
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.
ïï
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.
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