II Morrow Inc. 920 - Manual (Page 51)

The screen shows you how much memory
space is used for track point storage. If you
wish to empty the memory of track points,
select “clear?” and choose “yes.”
Arrival Alerts
This option controls whether or not and when
the receiver should alert you of arrival at a
destination waypoint.
If you choose arrival alert messages, the
beeper will sound and a message will show on
the display advising you of arrival at a
destination waypoint. You can set the radius
distance around the destination waypoint at
which the receiver alerts you.
Airspace Alerts
Use this option to control if and when the
receiver should alert you when approaching a
class B TCA, class C ARSA, or special use
airspace.
Change
Settings
D
10