Icom IC-40S Marine Radio User Manual


 
5
3
BASIC OPERATION
Receiving and transmitting
CAUTION: Transmitting without an antenna may dam-
age the transceiver.
q Rotate [VOL] clockwise to turn power ON, then set to the
10 oclock position.
If T SQLappears on the display, push [] for 2 sec. once or
twice to cancel the tone squelch or pocket beep.(p.11)
w Select the desired channel with the [Y]/[Z] switches.
When receiving a signal, BUSYappears and audio is emitted
from the speaker.
Further adjustment of [VOL] may be necessary at this point.
Push [] to toggle the monitor function ON and OFF. (p.6)
e Push [LOW] to select the output power if necessary.
•“LOWappears when low power is selected.
Choose low power to conserve battery power, choose high power
for longer distance communications.
r Push and hold [PTT] to transmit, then speak into the mi-
crophone.
Transmit indicator lights.
t Release [PTT] to receive.
IMPORTANT:To maximize the readability of your transmit-
ted signal, pause a few sec. after pushing [PTT], hold the
microphone 10 to 15 cm from your mouth and speak at a
normal voice level.
NOTE: The transceiver has a power save function to con-
serve battery power.The power save function activates au-
tomatically when no signal is received for 5 sec.
q Set volume
w Monitor switch
r Speak into
microphone
e Set output
power
r Push to transmit
t Release to
receive
w Select channel