I Receiving And Transmitting - Icom IC-M88 Instruction Manual

I Receiving and transmitting

CAUTION:
Transmitting without an antenna may
damage the transceiver.
q Rotate [OFF/VOL] clockwise to turn power ON.
- Use the squelch function to mute any audio noise if necessary.
See page 10 for details.
w Push* [SQL•
] for 1 sec., and rotate volume to set
MONI
audio output level.
*According to Monitor action selection in SET mode (p. 18).
e Push [Y]/[Z] to select the desired channel.
- When receiving a signal, "BUSY" appears and audio is emitted
from the speaker.
- Further adjustment of [OFF/VOL] may be necessary at this point.
r 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; no indicator 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.
t Push and hold [PTT] to transmit, then speak into the
microphone.
- "TX"
appears.
- Channel 70 cannot be used for transmission (for GMDSS use).
y Release [PTT] to receive.
IMPORTANT: To maximize the readability of your transmit-
ted signal, pause a few sec. after pushing [PTT], hold the
microphone 5 to 10 cm (2 to 4 inches) 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 cannot be turned OFF. The
power save function activates automatically when no sig-
nal is received for 5 sec.
For U.S.A version: To prevent accidental prolonged trans-
mission, etc., the IC-M88 has a time-out timer function. This
timer cuts a transmission OFF after 5 min. of continuous
transmission.
t Push and
hold to
transmit
y Release to
receive
w Set squelch
level
e Set channel
4
BASIC OPERATION
q Power ON
w Set volume
r Set output
power
9