I Receiving And Transmitting - Icom IC-M87 Instruction Manual

I 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
necessary. 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 p. 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
microphone.
- "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 transmit-
ted 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
4
BASIC OPERATION
q Power ON
e Set volume
t Set output
power
10