Receiving And Transmitting - Icom IC-M87 Instruction Manual

■ Receiving and transmitting

CAUTION:
Transmitting without an antenna may
damage the transceiver.
q Rotate [VOL] clockwise to turn power ON.
w Use the squelch function to mute any audio noise if nec-
essary. After pushing the [SQL] for 1 sec., the squelch
function is cut off until [SQL] is released. (default)
e Push [SQL] for 1 sec. (see the SET mode on page 19),
and rotate [VOL] to set the audio output level.
r Push [Y]/[Z] to select the desired channel.
- When receiving a signal, "
from the speaker.
- Further adjustment of [VOL] may be necessary at this point.
t Push [H/L• ] to select the output power if necessary.
LOCK
- "LOW" appears when low power is selected; "MID" appears
when middle power is selected (except for the German version);
no indication when high power is selected.
- Choose low power to conserve battery 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.
" appears and audio is emitted
IMPORTANT: To maximize the readability of your trans-
mitted signal, pause a few sec. after pushing [PTT], hold
the microphone 5 to 10 cm from your mouth and speak at
a normal voice level.
NOTE: The transceiver has a power save function to con-
serve the battery power and it cannot be turned OFF. The
power save function activates automatically when no sig-
nal is received for 5 sec.
y Push and
hold to
transmit
u Release to
receive
w Opening the
squelch
r Set channel
BASIC OPERATION
q Power ON
e Set volume
t Set output
power
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