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alternately toggles between the normal and reversionary formats.
Digital data for N1, N2, and ITT are provided to the EICAS system by the respective engine FADEC.
Analog data for oil pressure, oil temperature, fuel temperature, fuel flow, and fuel quantity are
provided to the EICAS by the respective Garmin Engine Airframe interface (GEA).
N1 DISPLAY
The N1 display consists of an analog tape and full time digital display for each engine. In the normal
and reversionary display formats, a digital N1 target display is provided at the top of the N1 display.
N1 target bugs are displayed full-time on each N1 scale, in both the normal and reversionary formats,
provided the respective engine is operating. The N1 target window and associated N1 bugs are
controlled by the FADEC and require no pilot input. When engine sync is active, a green SYNC
indication is displayed between the digital N1 values.
THRUST MODE INDICATORS
The Thrust Mode Indicators at the top of the N1 tapes indicate which throttle detent setting is
indicated by the N1 target bugs. The modes are T/O (Takeoff), CLB (Climb), and CRU (Maximum
Cruise). When the throttle is in the indicated detent, the thrust mode indicator is green. If the throttle
is below the detent, the mode indicator is white. When the landing gear is down, only the T/O mode
is displayed.
INTERSTAGE TURBINE TEMPERATURE (ITT)
The ITT display consists of analog tape and full time digital display for each engine. A red ITT Limit
Mark is positioned on the tape at the 862°C ITT Limit with an amber caution band extending down to
the 830°C transient limit. If ITT is in the transient range for 5 seconds or less during start (20 seconds
or less during normal operation) the digits and tape will be amber. ITT in the transient range longer
than the allowed time will cause the digits and tapes to turn red. The ITT pointer is white when less
than 830°C. In display reversion, ITT is displayed in both digital and tape formats.
N2 Display
The N2 displays consist of digital readouts for each engine. N2 is white during engine start until the
start sequence is complete. Once the engine is running, N2 is always green when 100% or less. The
display will be amber if N2 is between 100% and 102% for less than 20 seconds, and red when
greater than or equal to 102% or between 100% and 102% for more than 20 seconds. In display
reversion, the digital-only N2 display is unchanged.
(Continued Next Page)
3-168 AA 510FM-07
MODEL 510 SECTION III - OPERATING PROCEDURES
NORMAL PROCEDURES
FAA APPROVED
Configuration U.S.
ENGINE INDICATING AND CREW ALTERTING SYSTEM (EICAS)
(Continued)
OIL PRESSURE
The Oil Pressure display consists of an analog tape and part time digital display for each engine. A
digital readout of Oil Pressure is displayed if oil pressure outside of normal limits is detected.
Minimum oil pressure limits vary with N2 speed. The Oil Pressure EICAS display automatically
displays these limits. If low oil pressure is indicated, the LOW OIL PRESSURE procedure should be
strictly followed. If display reversion is selected, only digital oil pressure is displayed.
OIL TEMPERATURE
The Oil Temperature display consists of an analog tape and part time digital display for each engine.
A digital readout of Oil Temperature is displayed if oil temperature outside of normal limits is
detected. A minus sign (-) is displayed for negative values. If display reversion is selected, only
digital oil temperature is displayed.
FUEL FLOW
The fuel flow displays consist of digital readouts for each engine in Pounds Per Hour (PPH). A white
Fuel Flow legend is displayed between the left and right digital readouts. Fuel flow values are
displayed in green. In display reversion, the digital only fuel flow is unchanged.
FUEL QUANTITY
The Fuel Quantity display consists of an analog and digital display for the fuel in each wing tank. Fuel
quantity is normally in pounds (lbs). Optional Kilograms may be displayed. The scale range is from 0
to 1500 pounds with large tick marks at 500, 1000, and 1500 pounds. Smaller tick marks indicate
100 pound increments up to the maximum range. The fuel quantity scale pointer is always white.
The Fuel Quantity Digital Readout is displayed below the associated analog scale. The Fuel Quantity
Digital Readout has the same source of data as the Fuel Quantity analog pointer. The boxed Total
Fuel Quantity readout is green.
IGNITION OPERATING
A green “IGN” legend is displayed adjacent to the upper center of the applicable analog ITT scale
when the respective engine's ignition signal is received from the FADEC.
510FM-07 AA 3-169
SECTION III - OPERATING PROCEDURES MODEL 510
　
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