(a)
The oil pressure status is shown by one of the these messages: LOW (when the oil pressure is low) NORM (when the oil pressure is normal)
(b)
For an invalid status no message is shown.
(16)
Cooling Fan Valve (FAN VALVE)
(a)
The cooling fan valve status is shown by one of the these
messages:
OPEN (when the valve is open)
CLOSED (when the valve is closed)
(b)
For an invalid status no message is shown.
(17)
Oil Temperature (OIL TEMP)
(a) The data is shown by digital readouts in units of °C (Celsius).
(18)
Fuel Metering Unit Stepper Motor Command/Position (FMU CMD/POS)
(a) The data is shown by digital readouts in units of steps. The command readout is shown to the left of the "/", and the position readout to the right
(19)
APU Inlet Air Pressure (INLET PRESS)
(a) The data is shown by digital readouts in units of psi.
(20)
APU Inlet Air Temperature (INLET TEMP)
(a) The data is shown by digital readouts in units of °C (Celsius).
(21)
Load Compressor Inlet Temperature (L/C INLET TEMP)
(a) The data is shown by digital readouts in units of °C (Celsius).
(22)
Load Compressor Exit Temperature (L/C EXIT TEMP)
(a) The data is shown by digital readouts in units of °C (Celsius).
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A
747-400 MAINTENANCE MANUAL
(23)
L & R Wing Manifold Pressures (DUCT PRESS)
(a) The data is shown by digital readouts in units of psi. The left duct pressure readout is shown to the left of the "/", and the right duct pressure readout to the right.
(24)
Inlet Guide Vane Command/Position (IGV CMD/POS)
(a) The data is shown by digital readouts in units of %. The command readout is shown to the left of the "/", and the position readout to the right.
(25)
Diverter Valve Control Reset Command/Position (DV RST CMD/POS)
(a) The data is shown by digital readouts in units of %. The command readout is shown to the left of the "/", and the position readout to the right.
(26)
ECS Demand Signal (ECS DEMAND)
(a) The data is shown by digital readouts in units of %.
(27)
Number 1 & 2 Generator Loads (GEN 1/2 LOAD)
(a) The data is shown by digital readouts in units of kW. The transformer #1 readout is shown to the left of the "/", and the transformer #2 readout to the right.
(28)
Battery DC Volts
(a) APU battery dc voltage is displayed by a digital readout in units of volts.
(29)
Battery DC Current
(a) APU battery dc current is displayed by a digital readout in units of amperes. The messages CHG and DIS are displayed to indicate APU battery charging/discharging conditions.
(30)
APU Data
(a) APU serial number, operating hours, and the number of APU starts are displayed by digital readouts.
J. EICAS Configuration Maintenance Display (Fig. 57)
(1)
General
(a) The configuration format provides information relating to the software part number, engine type/model and program pins.
(2)
IDS Software Part Number
(a) The Integrated Display System (IDS) software part number is displayed by a white colored digital readout.
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