PRIMUSr 1000 Integrated Avionics System
A28--1146--112--00
5-9
Engine Instrument and Crew Alerting System (EICAS)
FAN (N
1
) SPEED DISPLAY
D N
1
Analog Scale -- The fan arc is white. The ranges are listed in
table 5--1.
Color
Lower Limit
(%RPM)
Upper Limit
(%RPM)
White 0 100.0
Red 100.1 110.0
N
1
Analog Scale
Table 5--1
When the analog pointer enters the red range, the normally white
pointer and digital fan readout turn red.
D Fan Digital Display -- Displays digital readout of fan (N
1
) RPM as
a percent of rotation speed. Display values rangefrom 0 to 110% in
0.1% increments.
NOTE: The digital readout can indicate as high as 199.9% N
1
.
D N
1
RequestBug--TheN
1
requestbugisdisplayed asasolidgreen
triangle. The bug indicates the throttle position as set by the pilot.
D FADECN
1
BugandDigitalTarget--TheFADECN
1
buganddigital
target are shown as a cyan T--shaped symbol that indicates the
thrust target for the phase of flight, as determined by the FADEC.
D FADEC Mode Annunciations -- The FADEC modes, that are
determined by the throttle position, are annunciated in cyan.
Normally, a single annunciation is supplied at the top of the engine
display. The modes are described in table 5--2.
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