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THIS IS AN UNCONTROLLED DOCUMENT.
THIS ELECTRONIC DOCUMENT MAY HAVE BEEN SUPERCEDED.
THE MOST CURRENT DOCUMENT INFORMATION IS AVAILABLE
FROM YOUR BELL HELICOPTER TEXTRON REPRESENTATIVE.
PRODUCT DATA JANUARY 2003
IIDS DISPLAY PAGE FORMATS
PRIMARY PAGE DATA
[COLUMNS FROM LEFT TO RIGHT]
1. ENGINE ONE NP
2. ROTOR RPM
3. ENGINE TWO NP
4. ENGINE ONE MGT [W/DIGITAL NO. 1 NG]
5. ENGINE TWO MGT [W/DIGITAL NO. 2 NG]
6. ENGINE ONE TORQUE
7. ROTOR TORQUE
8. ENGINE TWO TORQUE
[DIGITAL INDICATIONS AND ADVISORY TEXT
APPEARS ABOVE THE RESPECTIVE COLUMN]
MEASURED GAS TEMPERATURE
INDICATORS
The measured gas temperature (MGT)
display presents the engine gas
temperature of air between gas producer
turbine and power turbine, in degrees
Celsius. MGT data is displayed on a vertical
scale in the center of the primary screen
and in digital format just above it.
PRIMARY DISPLAY PAGE
The WARNING, CAUTION, and ADVISORY
messages available for all display pages
will be described as a GROUP immediately
following the descriptions of the SYSTEM
data displays.
WARNING/CAUTION/ADVISORY
MESSAGES
TRIPLE TACHOMETER
The triple tachometer display has three
vertical scale displays that simultaneously
display rotor RPM (NR) on the inner scale
and engine 1 and 2 NP on the left and right
scales. Engine and rotor speed data is also
displayed in digital format above the vertical
scales. The data displayed is in percent
of allowable RPM.
GAS PRODUCER TACHOMETERS
The gas producer tachometer (NG) display
is presented in digital form only directly
above the MGT display in the middle of the
primary IIDS screen.
TRIPLE TORQUE DISPLAY
The triple torque display simultaneously
displays torque output of two engines (Q)
and torque applied to main rotor mast (MQ).
Engine torque is displayed on the right and
left vertical scales, and main rotor mast
torque is displayed on the center vertical
scale. All indications are percent of
maximum torque. Torque data is also
displayed in digital format just above the
vertical scales.
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