ICOM IC-M503 用户手册
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HM-134 REMOTE-CONTROL MICROPHONE
■ Receiving and transmitting
q Push [PWR] to turn power ON.
w Push [VOL], then [Y]/[Z] to adjust audio output level.
w Push [VOL], then [Y]/[Z] to adjust audio output level.
• Push [SQL], then [Y]/[Z] to mute any audio noise, if necessary.
e Push [Y]/[Z] to select the desired channel.
• When receiving a signal, “
” appears and audio is emitted
from the speaker.
• Further adjustment of audio level may be necessary at this point.
• Use the optional voice scrambler function for privacy. (pgs. 10,
• Use the optional voice scrambler function for privacy. (pgs. 10,
35)
r Push [H/L] to select the output power, if necessary.
• “LOW” appears when low power is selected.
• Choose low power for shorter, high power for longer distance
• Choose low power for shorter, high power for longer distance
communications.
• Some channels are low power only.
t Push and hold [PTT] to transmit, then speak into the mi-
crophone.
• “
” appears.
• Channel 70 cannot be used for transmission (for GMDSS use).
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 10 to 15 cm (4 to 6 inches) from your
mouth and speak at a normal voice level.
mitted signal (voice), pause a few sec. after pushing [PTT],
hold the microphone 10 to 15 cm (4 to 6 inches) from your
mouth and speak at a normal voice level.
w Set volume
w Set squelch,
if required
if required
r Set output power
t Speak into
microphone
microphone
q Turn power ON
e Set channel
t Push to
transmit
y Release
to receive
transmit
y Release
to receive
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