Cirrus DESIGN SR22T Pilot Operating Handbook page 119

Cirrus Design Section 3A
SR22T Abnormal Procedures
OXYGEN QTY Advisory
OXYGEN QTY
On-Ground
1. Oxygen Supply ..........REPLENISH if use of oxygen is anticipated
In-Flight
1. If use of oxygen is anticipated, verify adequate oxygen supply for
flight duration. Refer to Duration chart in Oxygen System AFMS.
Amplification
Annunciation indicates oxygen tank pressure is below 800 PSI at
pressure altitudes below 10,000 ft.
OXYGEN SYSTEM LEFT ON Advisory
OXYGEN LEFT ON
1. Oxygen System ...................................................................... OFF
Amplification
Annunciation indicates that after oxygen system has been left ON after
on-ground engine shutdown. If system is left ON and aircraft power is
turned OFF, the solenoid valve will remain open and may result in
unexpected leakage and pressure loss.
P/N 13772-003 3A-21
Revision 1