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switch in the USED position and use the ENTER/TEST button to
control the decrementing.
Note: Adding or subtracting fuel by any method resets the fuel used
value to zero.
3. INFLIGHT OPERATIONS
3.1 INSTRUMENT OPERATION
3.1.1 FUEL FLOW
For Single Engine Aircraft: FUEL FLOW is displayed
continuously on the left display window.
For Twin Engine Aircraft: Total fuel flow is displayed
continuously on the left side of the display window. To read
each engine’s fuel flow individually, press the “REM” and
“DIM” switches simultaneously.
3.1.2 FUEL USED
Fuel used is displayed by moving the USED/REM toggle
switch to the USED position. The information is shown on
the right display window as long as the switch is held in the
USED position and for three seconds after the switch is
released. The display represents the fuel used since last
reset.
3.1.3 FUEL REMAINING
Fuel remaining is displayed by moving the USED/REM
toggle switch to the REM position. The information is
shown on the right display window as long as the switch is
held in the REM position and for three seconds after the
switch is released. The display represents the fuel
remaining on board at the time of reading.
3.1.4 ENDURANCE
Endurance is selected by rotating the rotary switch to the
ENDURANCE position. Endurance is displayed in hours
and minutes on the right display window.