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VOR NAVIGATION (IC-A24 ONLY)
■
Entering a desired course
The IC-A24 shows not only the deviation from the VOR sta-
tion but the deviation from the desired course.
q
Push the keypad or rotate [DIAL] to set the frequency for
the desired VOR station.
• Push
,
then push [2•
TO
] or [3•
FROM
] to change the to-from
flag.
w
Push
, then push [4•
CDI
] to select CDI mode.
e
Set the desired course to the VOR station using the tun-
ing dial or keypad.
• ‘
Ω
’ or ‘
≈
’ appears on the function display when your aircraft is off
the desired course.
• When your heading is correct, the ABSS function (see right col-
umn for detail) may be useful instead of course input.
r
The course deviation needle points to the right when your
aircraft is off course to the left.
• To get back on course, fly right more than the number of degrees
indicated by the CDI arrows.
• If the overflow indicator appears on the right side, select a head-
ing plus 10 degrees to the desired course; if the overflow indica-
tor appears on the left side, select a heading minus 10 degrees.
■
Crosschecking position
q
Select 2 VOR stations on your aeronautical chart.
w
Push the keypad or rotate [DIAL] to set the frequency of
one of the VOR station in the DVOR mode.
• The course indicator shows course deviation from the VOR ra-
dial. Note the radial you are on.
e
Push the keypad or rotate [DIAL] to set the frequency of
the other VOR station in DVOR mode.
• Note the radial from the station you are on.
r
Extend the radials from each VOR station on the chart.
Your aircraft is located at the point where the lines inter-
sect.
ABSS FUNCTION
In the CDI mode, the Auto Bearing Set System (ABSS)
adds or subtracts the number of degrees indicated by the
CDI arrows from the Omni Bearing Selector (OBS).
To use ABSS, push
, then push [2•
TO
] while using the
‘TO’ flag; or, push
, then push [3•
FROM
] while using the
‘FROM’ flag.
q
w
Overflow indicator (left)
Overflow indicator (right)
Course deviation needles (left)
e
r
Course deviation needles (right)
w
e r
q
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