Sandel SA4550 - Error Indications; Data Color Coding

Operation
82010-PG, REV. F Sandel SA4550 Pilot’s Guide 2-29
ERROR INDICATIONS DESCRIPTION
CRC Error
Do not fly using
SA4550 for
attitude reference.
The internal
program code
CRC self check
has failed.
Maintenance is
required.
Fatal Error
Indicates an
internal non-
recoverable error.
The SA4550 is not
usable for flight.
Maintenance is
required.
Operation
82010-PG, REV. F Sandel SA4550 Pilot’s Guide 2-30
Data Color Coding
Color Data Displayed
BROWN
 Earth (varying shades)
BLUE

Sky (varying shades)
WHITE

Angle of bank arc
 Pitch tape
 Decision Height and Radar Altitude
indications
 Ball and index lines on Slip/Skid
Indicator
 Background of Display Brightness
Indicator
 Glideslope and Localizer deviation
scale lines
 Text on Flags: ATTITUDE, GS,
LOC, SPEED, COMPUTER
 Text on the following annunciators:
SPD, ALT, VN, VRT, APR, LOC,
NAV, HDG, GS, BC