
Cirrus Perspective
™
by Garmin – Cockpit Reference Guide for the SR20/SR22/SR22T
190-00821-06 Rev. A 71
Additional Features
Flight
Instruments EIS
Nav/Com/
XPDR/Audio AFCS GPS Nav
Flight
Planning Procedures
Hazard
Avoidance
Additional
Features
Abnormal
Operation
Annun/
Alerts Appendix Index
As the aircraft reaches 12,500 feet the system sets the AFCS to Altitude Hold
mode. The AFCS will also remain in Automatic Descent Mode as indicated by ‘EDM’
continuing to be displayed as an AFCS Status Annunciation as well as the continuing
presence of the repeating chime. At this point, the AFCS must be disconnected to
cancel Automatic Descent Mode.
ELECTRONIC STABILITY AND PROTECTION (ESP
™
)
The pilot can interrupt ESP by pressing and holding the Autopilot Disconnect
(AP DISC) switch. Upon releasing the or AP DISC switch, ESP force will again be
applied, provided aircraft roll attitude is within engagement limits. ESP can also be
overridden by overpowering the servo’s mechanical torque limit.
ESP can be enabled or disabled on the AUX-SYSTEM SETUP2PageontheMFD.
To enable or disable ESP:
1)
Turn the large FMS Knob to select the AUX Page Group.
2)
Turn the small FMS Knob to select the System Setup Page.
3)
If necessary, select the SETUP 2 Softkey to display the AUX-SYSTEM SETUP 2
Page. If the AUX-SYSTEM SETUP 2 is already displayed, proceed to step 4.
4)
Press the FMS Knob to activate the cursor.
5)
Turn the large FMS Knob to place the cursor in the STABILITY &
PROTECTION field.
6)
Turn the small FMS Knob to select ‘ENABLE’ or ‘DISABLE’.
7)
Press the FMS Knob to remove the cursor.
ESP is automatically enabled on system power up.
Operation
RollLimitIndicatorsaredisplayedontherollscaleat45°rightandleft,indicating
whereESPwillengage.Asrollattitudeexceeds45°,ESPwillengageandtheon-side
RollLimitIndicatorwillmoveto30°.TheRollLimitIndicatorisnowshowingwhere
ESP will disengage as roll attitude decreases to within the desirable roll attitude range.
Onceengaged,ESPforcewillbeappliedbetween30°and75°. The force increases
as roll attitude increases and decreases as roll attitude decreases. The applied force
is intended to encourage pilot input that returns the airplane to a more normal roll
attitude.Asrollattitudedecreases,ESPwilldisengageat30°.
ESP is automatically disengaged if the aircraft reaches the autopilot roll engagement
attitudelimitof75°.
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