6 of 24 P/N 13772-140
Section 9 Cirrus Design
Supplements SR22 / SR22T
Flashing NAV, REV, or APR
or
or
Off navigation course by 50% needle deviation or more.
1. Use HDG mode until problem is identified. Crosscheck raw NAV
data, compass heading, and radio operation.
Flashing NAV, REV, or APR with steady FAIL
or
or
and
Invalid radio navigation signal.
1. Check Nav radio for proper reception. Use HDG mode until
problem is corrected.
Flashing VS
Excessive vertical speed error over selected vertical speed. Usually
occurs in climb.
1. Reduce VS command and/or adjust power as appropriate.
NAV
REV
APR
NAV
REV
APR
FAIL
VS
Revision 01: 01-06-10
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