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Controls and Indicators
r-'
i
I
ANTENNA
Connector LCD Display
TXlBUSY
Indicator LED
c
LOCKOUT DUPLEXI
Switch SIMPLEX
Switch
CHANNEL DOWN
Switch
Top Indicators and Display
Antenna Connector
- connect the antenna to this TNC port
Lock-out Switch
-locks out a selectedchannel from channel scan.
Duplex Switch
- allows Simplex or Duplex Operation on Channels 1
through 8
Channel UP/DOWN Switches
- useto select a channel
On/Off Volume Cont~1
- Rotate clockwise to turn the radio ON and increase
the volume. Rotate counter-clockwise to turn the
radio OFF or decrease the volume.
TX/Busy Indicator
- The RED LED lights when you press the PIT switch
(to transmit). It blinks when the battery is Iow and
needs recharging. The GREEN LED lights when the
received signal (on the current channel) is strong
enough to break the squelch.
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UH-O57