Y1-03-0128 Rev. E
All controls (except the ON/OFF switch) are flat panel push types located on the front surface of
the radio (see Figure 2, Control Panel).
ON/OFF
Slide up to turn ON, and slide down to turn OFF.
VOLUME
s
Increases audio output level to maximum.
VOLUME
t
Decreases audio output level.
PTT
P
ush
T
o
T
alk activates transmitter while switch
is depressed. When switch is released, radio
returns to receive mode automatically. (Also
refreshes channel display for 1 second.)
CHANNEL
s
Switches channels in increasing channel order.
CHANNEL
t
Switches channels in decreasing channel order.
3.2 OPERATING INDICATORS
.2 OPERATING INDICATORS.2 OPERATING INDICATORS
CHANNEL
s
This switch includes a RED light which will be
illuminated when the radio is ON and the
Channel
s
is selected.
CHANNEL
t
This switch includes a GREEN light which will be
illuminated when the radio is ON and Channel
t
is selected.
VOLUME
s
t
Both of these switches will light up YELLOW
when the
P
ush
T
o
T
alk switch is depressed,
indicating that the radio is transmitting.
PTT
This switch blinks YELLOW at a slow rate to
assist operator in locating the PTT (
P
ush
T
o
T
alk) switch in darkness.
CHANNEL
Indicates which channel is selected.
DISPLAY
4.0 OPERATION
.0
OPERATION
Figure 2: GMDSS Survival
Radio Control Panel
