Operation
82010-PG, REV. F Sandel SA4550 Pilot’s Guide 2-21
DISPLAY FEATURE
FUNCTION OPERATION
Red Chevrons
Points to the level flight
attitude.
Alerts the pilot that a
potentially hazardous
nose high pitch attitude
exists.
The downward pointing
red chevrons appear
any time the pitch
attitude exceeds +30°.
Automatic decluttering
of the display will occur
prior to this unusual
attitude indication.
Appropriate unusual
attitude recovery
techniques should be
used when this display
appears.
Operation
82010-PG, REV. F Sandel SA4550 Pilot’s Guide 2-22
ANNUNCIATOR DESCRIPTION
The SA4550 annunciators appear in fixed locations.
Certain locations are shared by difference annunciators
which normally will not be on at the same time – for
instance VRT and ALT are mutually exclusive.
When a properly equipped aircraft has a GPS WAAS
approach selected and is on the approach, one of the
following GPS WAAS approach annunciators will
display: LP, LPV, L NAV, LVNAV.
When an annunciation changes state a green highlight
box will display around the text for 5-7 seconds
During flight computer self test (or If a malfunction
occurs during normal operation) two annunciators which
share one location may activate simultaneously. In this
case the text message will toggle once a second.
Figure 2-7 Annunciator Locations
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