AOR AR8200 Manual page 25

Section 3-2
Both VFO frequencies are displayed in parallel format on the LCD, one above the other. The ' active '
VFO (the one which is currently receiving) is displayed using a large font centrally on the LCD, the
' standby ' VFO is shown on a lower line using a smaller font size.
the key to first select ' VFO mode ' (should the receiver be scanning or searching etc).
Each time the key is pushed VFO "V-A" and VFO "V-B" alternate between active and standby.
The first time you enter a frequency via the numeric keypad, it is best to the key to
place the receiver in a known state of operation. the key so the "V-A" becomes the
active VFO (upper and largest of the two frequency readouts). This condition is referred to as ' 2VFO '
mode with VFO-A active and VFO-B as standby. If you find the twin frequency display confusing,
or use the key sequence
(while no signal is present) so that only a single frequency readout is displayed, this is referred to as
' 1VFO ' mode. Both 1VFO and 2VFO modes may be referred to simply as VFO mode or manual mode .
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