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PAGE MESSAGES Continued
Bad Satellite Geometry
See EPE on AUX 1 page -- Integrity monitoring is lost and the estimated
position error is greater than allowed for the current phase of flight. Cross
check the position with other on-board equipment every 15 minutes.
Check APR ACTV
Annunciator -- Indicates an overcurrent condition in the external annuncia-
tor circuit. Discontinue approach operation unless already on final approach
inside the FAF.
Check APR ARM
Annunciator -- Indicates an overcurrent condition in the external annuncia-
tor circuit. Discontinue approach operation unless APR ACTV (or APR) is
annunciated.
Enable Turn
Anticipation For
GPS Approach -- Turn anticipation has been disabled on the SET 10 page.
For proper approach operation, it should be enabled on the SET 10 page.
GPS Course is XXX° -- Displays the new desired track when GPS is not
displayed on the primary indicator.
If Required Select OBS -- Use OBS mode for holding patterns or proce-
dure turns. Appears 4 nm from a waypoint that normally would require the
OBS mode.
If Using Procedure
Turn Reduce Speed
To Remain Within
Protected Area -- The aircraft's flight path may extend beyond the protect-
ed airspace for the procedure turn if the aircraft's present ground speed is
maintained (ORS 02 and higher).
Press ALT To Set Baro -- A reminder given 30 nm from the destination air-
port to update the barometric setting.
Press PROC Button Now For Navigation -- After a NAV flag in approach
P
ACTV (or APR) mode, press
button to restore navigation for the
missed approach. (Integrity monitoring is less critical in approach ARM (or
TERM) mode so navigation may be restored.)
RAIM Not Available
APR Mode Inhibited
Predict RAIM on AUX 3 --RAIM is predicted to not be available at either the
FAF or the MAP. Determine when RAIM will be available on the AUX 3
page. Integrity monitoring is required for approach operation.
RAIM Not Available
Cross Check Position --Integrity monitoring is absent. Compare the GPS
position with other on-board navigation equipment.
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