Icom GM600 Instruction Manual page 21

Vhf marine transceiver
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■ Receiving and transmitting
CAUTION: DO NOT Transmit without
an antenna.
q First, turn ON the PS-310
.
power supply
w Hold down [ ] for 1 second to turn
ON the transceiver.
• If no MMSI code is entered, "Push [ENT]
to register your MMSI" is displayed.
(p. 9)
e Rotate [VOL/SQL] to adjust the
audio level.
r Push [VOL/SQL] once or twice to
open the SQL Setting window.
t Rotate [VOL/SQL] to adjust the
squelch level until the noise just
disappears.
y Select a channel. (p. 13)
-
dc
dc
u Push [Ω] or [≈] until Software Key
function [HI/LO] is displayed.
i Push [HI/LO]
output power high or low.
o Hold down [PTT], and speak at your
normal voice level.
• "
" is displayed.
!0 Release [PTT] to return to receive.
NOTE:
Selecting a channel:
• While receiving a signal, "
• You can use Channel 70 only for Digital
Selective Calling (DSC) transmissions.
• When the "FAV on MIC" item is set to
"OFF," you can select all channels using
to select an
the [∫] or [√] keys on the microphone.
(p. 91)
Selecting an output power:
• "25W" is displayed when high power is
selected. Choose high power for longer
distance communications.
• "1W" is displayed when low power is
selected. Choose low power for short
range communications.
Push
• Some channels are restricted to low power.
BASIC OPERATION
" is displayed.
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