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The GPS 150 will allow you turn the SUA alert messages on or off. This will not
affect the airspace being listed on the SUA Alert page, it will simply turn off the alert
messages when you are approaching or near an SUA. You can turn off alerts for the
following airspaces:
class B / cta : ICAO control area moa : Military operations area
class C / tma : ICAO Terminal Control Area other : Other areas
rstcd : Restricted areas
Other areas include alert, caution, danger, training, unspecified, unknown and
warning airspaces.
The ‘alt’ field is an altitude buffer which may be set so that SUA alerts do not
appear if you are a given vertical distance above or below an SUA.
For example, if the buffer is set at 500 feet, and you are at least 500 vertical feet
away from an SUA and NOT projected to enter it, then you will not be notified with
an SUA alert message.
To set the warnings or change the altitude buffer:
1. Press
S
and rotate
O
until the SUA Settings page is displayed.
2. Press
C
and rotate
O
to highlight the field you would like to change.
3. Rotate
K
to change to ‘on’ or ‘off’.
4. To change the altitude buffer, highlight the buffer value, and use
K
and
O
to
change the data. Press
E
to accept.
5. Press
C
to complete.
59
REFERENCE
SUA Settings &
Altitude Buffer
Section
5
SUA Settings page
SUA Settings page
150man rev E 7/24/98 3:10 PM Page 59