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analog pointer and the digital display change
to red when the pointer reaches the red tick.
When the pointer enters the red range the red
arc (tick) doubles in size and the highest part
of the red arc represents 110%. See Table 7-1.
A N1 reference bug (magenta) is positioned on
each N1 analog scale by the corresponding
DEEC. A digital readout of the reference is dis-
played below and slightly right of the N1 dig-
ital readout. The N1 reference bug represents
the target rpm the DEEC has computed for
existing configuration and ambient condi-
tions. If the thrust levers are placed in the T/O
detent, for example, the DEECs will schedule
fuel flow and accelerate the engine to the point
at which each N1 rpm matches the N1 bug
reference. The N1 bug positions for the two en-
gines should match within 1%.
The DEEC changes the bug and digital read-
out to the appropriate value for the conditions
plus or minus N1 compensation. When the
airplane is on the ground or in flight with the
flaps or gear down, the DEEC will set the bug
reference at takeoff power (T/O) for ambient
L E A R J E T 4 5
P I L O T T R A I N I N G M A N U A L
7-8
FOR TRAINING PURPOSES ONLY
FlightSafety
international
Figure 7-6. EICAS Engine Instrument Display Format
N1
ITT
SAT
°
C
L
F
1000
R
1450
FLAPS
20
6.5
PITCH TRIM
LBS
FUEL
3850
-15
50.0
76
60
984
50.0
80
60
1002
N2
OIL PSI
OIL
°
C
FF PPH
550
550
75.0
75.0
1400
CAS
DISPLAY
Area
89.6
89.6
LEFT N1
INDICATOR
(SCALE - WHITE)
(HORIZONTAL
TICK - RED)
(NEEDLE - RED/WHITE)
RIGHT N1
INDICATOR
(SCALE - WHITE)
(HORIZONTAL
TICK - RED)
(NEEDLE - RED/WHITE)
LEFT N1
(BOX - CYAN/RED)
(DIGITS - WHITE/RED)
RIGHT N1
(BOX - CYAN/RED)
(DIGITS - WHITE/RED)
N1 LABEL
RIGHT DEEC N1
REFERENCE
BUG & DIGITAL
READOUT
(MAGENTA)
LEFT DEEC N1
REFERENCE
BUG & READOUT
(MAGENTA)
LEFT ITT
(BOX - CYAN/RED)
(DIGITS - WHITE/
AMBER/RED)
RIGHT ITT DIGITAL
(BOX - CYAN/RED)
(DIGITS - WHITE/
AMBER/RED)
LEFT ITT
INDICATOR
(SCALE - WHITE)
(HORIZONTAL
TICK - RED)
(NEEDLE - WHITE/
AMBER/RED)
RIGHT ITT
INDICATOR
(SCALE - WHITE)
(HORIZONTAL
TICK - RED)
(NEEDLE - WHITE/
AMBER/RED)
LEFT N2
(WHITE/RED)
RIGHT N2
(WHITE/RED)
LEFT OIL PRESSURE
(WHITE/AMBER/RED)
RIGHT OIL PRESSURE
(WHITE/AMBER/RED)
RIGHT OIL TEMPERATURE
(WHITE/AMBER/RED)
LEFT OIL
TEMPERATURE
(WHITE/AMBER/RED)
LEFT FUEL FLOW
(DIGITS - WHITE)
TOTAL FUEL
QUANTITY
(WHITE)
LEFT WING TANK/LABEL/
FUEL QUANTITY
(DIGITS - WHITE/AMBER)
FUSELAGE TANK LABEL/
FUEL QUANTITY
(DIGITS - WHITE)
RIGHT WING TANK LABEL/
FUEL QUANTITY
(DIGITS - WHITE/AMBER)
FUEL QUANTITY
LABELS
FUEL FLOW
LABEL
RIGHT FUEL FLOW
(DIGITS - WHITE)
OIL TEMPERATURE
LABEL
OIL PRESSURE
LABEL
ITT LABEL
N2 LABEL
NOTE: LABELS ARE CYAN AND DO NOT CHANGE COLOR.