Honeywell BENDIX/KING KLN 94 Pilot's Manual page 110

Chapter 3 Basic GPS Operation
If the altitude input to the KLN 94 is pressure altitude from an altitude
encoder or air data computer, then you must manually update the KLN 94
with an altimeter setting (baro correction in order to receive accurate SUA
alerting. You may easily update the
altimeter setting by pressing the A
button to display the Altitude 1 (ALT
1) page (figure 3-183) The right inner
knob is used to change the altimeter
setting. When the setting is com-
plete, press A twice to return to the
page previously in view.
CAUTION: Failure to keep the altimeter baro setting updated will
result in inaccurate special use airspace alerting. If this feature is
used, it is a good idea to update the altimeter baro setting on the
ALT 1 page each time you make a change to an aircraft's altimeter
setting.
NOTE: If there is no altitude input to the KLN 94, all altitudes will be
regarded as being within the boundary of the SUA area.
The message prompt for a spe-
cial use airspace alert will occur
when the aircraft's position is at a
point such that a projection of the
aircraft's existing track over the
ground is approximately 10 min-
utes from penetrating the outer
boundary of one of these areas.
It will also occur if the aircraft is
within approximately two nautical
miles of one of these areas even
if the aircraft's projected track
over the ground won't actually
penetrate the SUA area (figure 3-
184). If one of the SUA areas is penetrated, another message will state:
Inside SUA.
The SUA alert feature may be dis-
abled (or enabled) on the Setup 5
(SET 5) page, shown in figure 3-185.
Select the SET 5 page, turn on the
cursor (B). The right inner knob is
used to choose between SUA
ALERT ENABLED and SUA ALERT
DISABLED.
Figure 3-183
2 MILES
Figure 3-184
Figure 3-185
3-68
10 MIN