190-00820-08 Rev. A
Cirrus Perspective
™
by Garmin – Pilot’s Guide for the SR20/SR22/SR22T
83
FLIGHT INSTRUMENTS
SY
STEM
O
VER
VIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO P
ANEL
& CNS
FLIGHT
MANA
GEMENT
HAZARD
AV
OID
ANCE
AFCS
ADDITIONAL
FEA
TURES
APPENDICES
INDEX
ALTITUDE ALERTING
The Altitude Alerting function provides the pilot with visual and aural alerts when approaching the Selected
Altitude. Whenever the Selected Altitude is changed, the Altitude Alerter is reset. The Altitude Alerter is
independent of the GFC 700 AFCS. The following occur when approaching the Selected Altitude:
• Upon passing through 1000 feet of the Selected Altitude, the Selected Altitude (shown above the Altimeter)
changes to black text on a light blue background and flashes for 5 seconds.
• When the aircraft passes within 200 ft of the Selected Altitude, the Selected Altitude changes to light blue text
on a black background and flashes for 5 seconds and a single chime is heard.
• After reaching the Selected Altitude, if the pilot flies outside the deviation band (±200 feet of the Selected
Altitude), the Selected Altitude changes to yellow text on a black background, flashes for 5 seconds, and the
word “Altitude” is heard.
Figure 2-37 Altitude Alerting Visual Annunciations
Within 1000 ft
Within 200 ft
Deviation of ±200 ft
LOW ALTITUDE ANNUNCIATION
NOTE:
The Low Altitude Annunciation is available only for aircraft with GIA 63W Integrated Avionics Units
when SBAS is available. This annunciation is not shown for systems with TAWS or TERRAIN-SVS, unless
terrain alerting is inhibited..
When the Final Approach Fix (FAF) is the active waypoint in a GPS SBAS approach using vertical guidance,
a Low Altitude Annunciation may appear if the current aircraft altitude is at least 164 feet below the prescribed
altitude at the FAF. A black-on-yellow ‘LOW ALT’ annunciation appears to the top right of the Altimeter,
flashing for several seconds then remaining displayed until the condition is resolved.
Figure 2-38 Low Altitude on GPS SBAS Approach
Altimeter
Summary of Contents for Cirrus Perspective SR20
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