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System Overview
Finally, if at any time and in any flight director or standby state,
the system detects an excessive bank condition, a “
BANK LIMIT
”
text alert is displayed along the top edge of the PFD pages and a
“CAUTION, EXCESSIVE BANK” aural alert is played in the
headsets and is repeated approximately every 6 seconds until the
condition is no longer valid. The trigger for this Envelope Alerting
excessive bank limit is when the system has determined that the
lesser of aircraft category or aircraft POH bank angle limits has
been exceeded. This number is typically 60 degrees of bank.
If “
AP READY
” or “
FD
” are not displayed on the PFD page, Full-
time Envelope Alerting may not be available.
To disable Full-time Envelope Alerting, pull the autopilot circuit
breaker.
BAROMETER SETTING ADJUSTMENT
Upon input of a new barometric altimeter setting, the autopilot
automatically re-captures the previously set target altitude,
without further action required from the pilot. For example, if the
autopilot was in Altitude Hold, changing the barometric pressure
setting will result in the autopilot automatically correcting the
appropriate amount to re-capture the previous MSL altitude hold
target.
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