PRIMUSr 1000 Integrated Avionics System
A28--1146--112--00
Electronic Flight Instrument System (EFIS)
4-60
Parameter Monitored Tolerances
Pitch (PIT) Attitude ±5_
Roll (ROL) Attitude ±6_
Attitude (ATT) Active only when both pitch and roll
comparators are already tripped.
Heading (HDG) ±6_ (level flight)
Altitude (ALT) ±200 feet
Airspeed (IAS) ±5 knots
Localizer (LOC) deviation ±40 µA (»1/2 dot below 1200 feet
AGL)
Glideslope (GS) deviation ±50 µA (»1/2 dot below 1200 feet
AGL)
Instrument Landing System
(ILS)
Active when both LOC and GS
comparators are already tripped
Radio Altimeter (RA) 1/8 x (RA1+RA2) + 10 feet
2
CAS MSG Annunciated when there is a
miscompare between the symbol
generators and the processing of
the EICAS CAS messages.
Comparison Monitor Parameters
Table 4--17
NOTE: The comparison is made when the pilot and copilot have the
same type but different sources selected for display. If, for
example, the pilot and copilot both have ILS1 selected
(amber annunciation of the source), no comparison monitor
is active on that data (LOC, GS).
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