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If you choose “YES” for the alert message, the course
deviation alert will show on the displayadvising youwhen
course deviation exceeds CDI scale maximum value left
or right.
You can also select the CDI scale maximum course
deviation left or right. This distance can be shown in the
unit of measure you choose using the “DISPLAY UNITS”
setting described late in this section.
Magnetic
Variation
This option allows you to override automatic magnetic
variation and manually enter a variation value. A manual
setting is normally not required for navigation anywhere
in the world except near the poles, where magnetic
variation is the greatest.
If manual entry of magnetic variation is necessary, obtain
the correct value from a reliable chart or other source.
Select “MANUAL” and enter the variation value east or
west.
To disable magnetic variation, select “TRUE.” All course
headings will show referenced to true north.
Apollo 360 GPS Receiver Menu Function Options
P/N 560-0123-01 5-11