I Receiving And Transmitting - Icom IC-M401EURO Instruction Manual

3
BASIC OPERATION

I Receiving and transmitting

CAUTION:
Transmitting without an antenna may dam-
age the transceiver.
q Turn [VOL] clockwise to turn power ON.
w Set the audio and squelch levels.
➥ Rotate [SQL] fully counterclockwise in advance.
➥ Rotate [VOL] to adjust the audio output level.
➥ Rotate [SQL] clockwise until the noise disappears.
e While pushing [H/L], push [CH] to change the channel
group. (p. 7)
• The European version has International channels only.
r Push [Y]/[Z] to select the desired channel.
• When receiving a signal, "BUSY" appears and audio is emitted
from the speaker.
• Further adjustment of [VOL] may be necessary at this point.
t Push [H/L] to select the output power if necessary.
• "LOW" appears when low power is selected, respectively.
• Choose low power to conserve power, choose high power for
longer distance communications.
• Some channels are for low power only.
y Push and hold [PTT] to transmit, then speak into the mi-
crophone.
• "TX" appears.
• Channel 70 cannot be used for transmission (for GMDSS use).
u Release [PTT] to receive.
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IMPORTANT: To maximize the readability of your trans-
mitted signal, pause a few sec. after pushing [PTT], hold
the microphone 2 to 5 cm from your mouth and speak
at a normal voice level.