19
6
VOR NAVIGATION
■ VOR functions
◊To select CDI mode
To show the deviation between your flying course and the de-
sired course, push , then [4 (CDI)].
◊To select DVOR mode
When entering the NAV band, 108.000–117.975 MHz, the
IC-A23 selects DVOR mode automatically.
To show your aircraft’s direction to (or from) the VOR station,
push , then [1 (DVOR)].
◊‘TO’ or ‘FROM’flag selection
The to-from flag indicators indicate whether the VOR naviga-
tion information is based on a course leading to the VOR sta-
tion or leading away from the VOR station.
To change the flag from ‘TO’ to ‘FROM’ or vice versa, push
, then [3 (FROM)] or [2 (TO)], respectively.
•When using the ‘TO’ flag and passing through the VOR
station, the ‘TO’flag changes to the ‘FROM’flag automat-
ically.
•When turning power ON, the ‘FROM’flag is selected au-
tomatically.
◊Selecting the next VOR station when using
CDI mode
(when using the course deviation needle)
q Push , then [1 (DVOR)].
w Set the next VOR station’s frequency.
e Push , then [4 (CDI)].
•Select ‘TO’ or ‘FROM’flag, if desired.
Operating frequency can be changed.
Course indicator shows your direction
to (or from) the VOR station.
Course deviation needle does not
appear.
Operating frequency cannot be changed.
Course indicator is fixed, but it can be
changed with the tuning dial or keypad.
Each course deviation arrow indicates
a two-degree deviation.
