Cirrus SR20 Pilot Operating Handbook page 346

Section 9 Cirrus Design
Supplements SR20
Autopilot and PFD Using Different AHRSs
AP/PFD AHRS Caution
AP/PFD AHRS
The Autopilot and PFD are using different Attitude and Heading
Reference Systems.
1. Continue flight without Autopilot. Monitor Standby Instruments.
Pilot may manually select other AHRS if installed.
No Autopilot ADC Modes Available
NO ADC MODES Caution
NO ADC MODES
Autopilot air data modes are not available.
1. Autopilot may only be engaged in pitch (PIT) mode.
No Autopilot Vertical Modes Available
NO VERT MODES Caution
NO VERT MODES
Autopilot vertical modes are not available.
1. Autopilot may only be engaged in lateral mode.
Altitude Selection Deviation
ALTITUDE SEL Advisory
ALTITUDE SEL
The pilot has programmed the Autopilot to climb or descend away
from the selected altitude. Typically done unintentionally.
1. Altitude Selection ................................CORRECT, AS REQUIRED
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Revision 03: 09-08-14