Sandel SA4550 - Display Description

Operation
82010-PG, REV. F Sandel SA4550 Pilot’s Guide 2-9
CONTROL FEATURE
FUNCTION OPERATION
MINS: (IN) Used for
setting a minimum
radar altitude in the MIN
window. If [MINS] knob
is rotated in an aircraft
without a radar
altimeter system
installed or configured,
the message “Function
Not Installed” will
appear.
Rotate to set desired
radar altitude in the MIN
window:
MIN window will not
display in aircraft that do
not have a radar altimeter
system configured for
display on the SA4550.
Display Brightness:
(OUT) Used for
manually adjusting
display brightness
Pull knob out and rotate
to manually adjust
display brightness.
Brightness setting (0-
100) will appear on
screen when an
adjustment is made:
MINS / DISPLAY
BRIGHTNESS
CONTROL
KNOB
Operation
82010-PG, REV. F Sandel SA4550 Pilot’s Guide 2-10
DISPLAY DESCRIPTION
The display utilizes a standard blue-above-brown
attitude depiction to depict Pitch and Roll, as directed by
the aircraft Vertical Gyro. The airplane symbol
references the aircraft’s current attitude.
If tuned, the localizer and glideslope deviations are
shown fed from the VHF NAV receiver.
The flight director command bars provide pitch and roll
guidance from the flight computer.
A slip/skid indicator is provided operated from an internal
accelerometer.
Desired radar altitude minimums can be set in the MIN
window and current radar altitude (AGL) is displayed in
the RAD ALT window using information from the radar
altimeter (if equipped – see AFM).
Ref Approach speed deviation is shown using
information from the angle of attack system.
The flight director mode annunciations displayed are
dependent on equipment installation – see AFM.
Figure 2-6 SA4550 Primary Attitude Display
Unit on right is configured without a radar altimeter.