Icom IC-M88

■ 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neces-
sary.Afterpushingthe[SQL]for1sec.,thesquelchfunc-
tioniscutoffuntil[SQL]isreleased.(default)
e Push[SQL]for1sec.(seetheSETmodeonpage19),
and rotate volume to set the audio output level.
r Push [Y]/[Z] to select the desired channel.
 -Whenreceivingasignal,“ ” appears and audio is emitted
from the speaker.
 -Furtheradjustmentof[VOL]maybenecessaryatthispoint.
t Push[H/L•LOCK] to select the output power if necessary.
 -“LOW”appears when low poweris selected; “MID” appears
whenmiddlepowerisselected;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.
IMPORTANT: To maximize the readability of your trans-
mitted 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 it 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
transmission,etc.,theIC-M88hasatime-outtimerfunc-
tion.ThistimercutsatransmissionOFFafter5min.of
continuous transmission.
r Set channel
w Opening the
squelch
q Power ON
e Set volume
t Set output
power
y Push and
hold to
transmit
u Release to
receive
10
4
BASICOPERATION