190-00820-08 Rev. A
Cirrus Perspective
™
by Garmin – Pilot’s Guide for the SR20/SR22/SR22T
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
585
APPENDIX A
•
Reversionary Sensor Window (Dual AHRS and/or Dual Air Data Computer installations only):
Reversionary sensor selection is annunciated in a window on the right side of the PFD. These annunciations
reflect reversionary sensors selected on the PFD. Pressing the
SENSOR
Softkey accesses the
ADC1
,
ADC2
,
AHRS1
, and
AHRS2
softkeys. These softkeys allow switching of the sensors being viewed on the PFD. The
GPS sensor cannot be switched manually.
Figure A-4 Reversionary Sensor Window
ALERT LEVEL DEFINITIONS
The Perspective
™
Alerting System uses three alert levels.
•
WARNING:
This level of alert requires immediate attention. Warning alert text is shown in red in the
Annunciation Window and a flashing ‘WARNING’ Softkey annunciation. A repeating double chime accompanies
select warning conditions. Pressing the
WARNING
Softkey acknowledges the presence of the warning alert
and stops the aural chime (if present). Refer to Table A-1 for warning conditions and alerting behaviors.
•
CAUTION:
This level of alert indicates the existence of abnormal conditions on the aircraft that may require
intervention. Caution alert text is shown in yellow in the Annunciation Window and is accompanied by a
flashing ‘CAUTION’ Softkey annunciation. A double chime lasting for one second occurs with select caution
alerts. Pressing the
CAUTION
Softkey acknowledges the presence of the caution alert. Refer to Table A-2 for
caution conditions and alerting behaviors.
•
ANNUNCIATION OR MESSAGE ADVISORY:
This level of alert provides general information. Annunciation
alert text is shown in white in the Annunciation Window; no aural tone is generated with the exception of
the 'OXYGEN LEFT ON' advisory alert, which produces a one second double chime. An annunciation
alert is accompanied by a flashing
ADVISORY
Softkey annunciation. Pressing the
ADVISORY
Softkey
acknowledges the presence of the annunciation alert. Refer to Table A-3 for annunciation alert conditions and
behaviors.
Message advisory alerts do not issue annunciations in the Annunciation Window. Instead, message advisory
alerts only issue a flashing ‘ADVISORY’ Softkey annunciation. Selecting the
ADVISORY
Softkey acknowledges
the presence of the message advisory alert and displays the alert text message in the Alerts Window.
Figure A-5 Softkey Annunciation (
ALERTS
Softkey Labels)
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