CABIN ALT / LFE

CABIN ALTITUDE INDICATION

• Displays cabin altitude in feet, regardless of the operating mode.

• Green – normal operating range, Amber – cautionary operating range, Red – warning operating range.

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CABIN RATE OF CHANGE INDICATION

• Displays the cabin rate of change in fpm, regardless of the operating mode.

• Green – normal operating range, Amber cautionary operating range.

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DIFFERENTIAL PRESSURE INDICATION

• Displays the differential pressure between the cabin interior and the outside in psi, regardless of the operating mode.

• Green – normal operating range, Amber cautionary operating range.

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LANDING FIELD ELEVATION INDICATION

• Displays the landing field elevation in feet, regardless of the operating mode.

• Green – inputs from FMS, Cyan – Manual input. A cyan “M” in front of the altitude readout indicates manual input.

• Amber dashed – Invalid information or value out of displayable range. Manual operation is active.

• Flight plan on MCDU must be closed to display landing field elevation (LFE) on EICAS.

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HI FIELD INDICATION

• Displays HI FIELD label whenever the Cabin Altitude is in High Altitude operation mode.