Split Operation - Vertex Standard Pilot III Operating Manual

Split Operation

The split operation feature allows you to transmit a call to
a Flight Service Station using the COM band frequencies,
while receiving a VOR station (in the NAV band). VOR
stations equipped with this capability typically are shown,
on navigation charts, with the voice calling frequency in
parenthesis above the navigation frequency.
Programming a Transmit Frequency
Press the VOLUME knob, repeatedly if necessary, to
select the VFO mode.
Set a NAV band (108.000 - 117.975 MHz) frequency
using the DIAL selector knob or keypad.
Press the [ F ] key momentarily, then press the [ MW
( SPL-W )] key. The "
transmit frequency will appear on the display.
Now set your radio's transmit frequency, where the
Flight Service Station will be listening for calls, using
the DIAL selector knob or keypad.
Press and hold in the [ MW ( SPL-W )] key for 2 sec-
onds to save the transmit frequency and return to the
NAV band frequency.
Note: You have now stored the separate transmit frequency,
but you have not yet activated the split-frequency func-
tion; go on to the next section.
VOR N
" icon will blink, and the
Operating in the Split Mode
It is assumed that you have already set the desired
VOR station's frequencies (in the NAV band) per the
above instructions.
Press the [ F ] key momentarily,
then press the [ 7 ( SPL )] key
to turn on the "Split" function.
The " " icon will appear
on the display.
Press and hold in the PTT switch to transmit on the
split transmit frequency.
Release the PTT switch to return to the receive mode.
To disable the "Split" function, press [ F ]
again.
Note: A split frequency can be programmed into each
memory channel independently. Set a transmit frequency
before programming the memory channel, if desired. The
split function on/off setting can also be programmed into
a memory channel.
VXA-300 P
[ 7 ( SPL )]
O M