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190-00728-04 Rev. A
Embraer Prodigy
®
Flight Deck 100 Pilot’s Guide
105
ENGINE & AIRFRAME SYSTEMS
CABIN PRESSURIZATION
The Cabin Display shows cabin pressurization information (cabin altitude and rate of change, differential
cabin pressure) along with the Landing Field Elevation (LFE) and oxygen system pressure. The trend of cabin
pressure altitude rate change is indicated by a green arrow beside the rate readout.
The LFE is set automatically based on the destination in the active flight plan by pressing the FMS LFE
Softkey, but can also be adjusted manually by the pilot. Automatically entered values appear in green; if the
value is entered by the pilot, it changes to light blue. Pilot selected LFE flashes yellow for 30 seconds when a
difference of >5 feet occurs. A red “X” is displayed if the LFE is out of range or the data source is invalid.
If the landing field elevation is high enough, the indication “HI FIELD” is shown at the top of the Cabin
Display and the cabin altitude caution and warning thresholds are increased to avoid generation of nuisance
alert indications.
Pressure
Differential
Pressure
Altitude
Oxygen System
Pressure
Landing Field
Elevation
Pressure
Change Rate
High Landing
Field Elevation
Figure 3-12 Cabin Display
Setting the displayed landing field elevation:
1) Select the
SYSTEM
Softkey.
2) Select the
LFE
Softkey.
3) Select the FMS LFE Softkey to set the LFE to the value for the destination airport in the current flight plan.
Or:
Use the ±500 and ±50 FT softkeys to set the desired elevation between -1,000 and 14,000 feet.
4) To confirm the new LFE value, select the ACCEPT Softkey.