Reference N1 Bugs (Note: Orange and blue circles are for illustrative purposes only.)
Displayed (green) – with N1 SET outer knob in AUTO, 1, 2 or BOTH position indicated by
the blue circle.
Position corresponds to digital value on the Reference N1 readout.
Reference N1 Readouts
Displayed (green) – Indicated by the orange circle.
- Manually set N1% RPM when N1 SET outer knob is in the BOTH, 1, or 2 position.
- Displays – – – – when the N1 SET outer knob is in the AUTO position and FMC
source is invalid.
- When the N1 SET outer knob is in the AUTO position, may indicate fixed derate,
assumed temperature derate, or a combination of fixed and assumed temperature
derate