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PTT (Push To Talk) Switch
Press this button to transmit when you are operating
in the COM band. Release this button to return to
the "Receive" mode. See page 16 for details.
MONITOR Switch
This button may be pressed to "open" the squelch
manually, allowing you to listen for very weak
signals. Press and hold this button for 2 seconds
to "open" the squelch continuously. Press this but-
ton again to resume normal (quiet) monitoring. See
page 20 for details.
POWER Switch
Press and hold this button for 3 seconds to toggle
the transceiver's power on and off.
EXT DC Jack
When an external 12-Volt DC power source is avail-
able, you may connect the (optional) E-DC-5B Ex-
ternal DC Cable here.
1) Do not connect any wire to this jack if
that wire is connected directly to a 28-Volt
DC source. Connecting the FTA-230 directly to a
source which exceeds 15.0 Volts DC will result in
damage to the unit, and this type of damage is not
covered by the Limited warranty on this product.
FTA-230 O
perATing
c
& c
ontrols
onnectors
M
AnuAl
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)
p
Ide
anel
2) Do not allow the FTA-230 to become sub-
merged in water while the rubber cap over the
EXT DC jack is removed.
7
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