1792 VHF Radio
User's Manual
11
SWITCHES
CONTROLS &
INDICATORS
FUNCTIONAL DESCRIPTION
SQUELCH
CONTROL
The unlabeled squelch control above and to the right of the fuse is not
used, and should remain in the fully counter clockwise position.
SQUELCH
INDICATOR
GREEN LED
The squelch indicator LED above the unlabeled squelch control should
remain off since the squelch control is not used.
Tx ON
YELLOW LED
INDICATOR
A yellow LED is ON when the VHF radio is transmitting. The Tx ON
yellow LED is OFF at other times.
VOLUME
CONTROL
The volume control to the right of and below the Tx ON LED is not
used, and should remain in the fully counter clockwise position.
MIC/PTT
CONNECTOR
The MIC/PTT connector below the unlabeled volume control is not
used.
SPEAKER/
HEADPHONE
CONNECTOR
The speaker/headphone connector next to the MIC/PTT connector is
not used.
3.2
OPERATING INSTRUCTIONS
1.
Ensure that the signal and antenna cables are connected.
2.
Set the POWER ON/OFF switch to ON.
3.
Verify that the POWER ON green LED is ON.
4.
Verify that the AWOS station voice message is being transmitted.
5.
Ensure that the Tx ON yellow LED cycles ON during voice message output.
6.
Verify that the Tx ON yellow LED cycles OFF between voice message broadcasts.
3.2.1 Switching VHF Radio OFF
1.
Set the POWER ON/OFF switch to OFF.
2.
Verify that all indicator LEDs on the front panel are OFF.
CAUTION
Antenna must be connected to VHF radio before turning power on.
