Altitude Sensor Selection
Altitude Assist requires the system include an altitude encoder or
Fuel/Air Data Sensor (F/ADS). This procedure is used to select which
of these sensors is used for altitude data. In this example, the current
sensor is an altitude encoder, and is changed to an F/ADS. The same
procedure is used to change back.
If an ARINC 429 Air/Data sensor is installed in the
system, this sensor is automatically selected as the
current sensor for altitude data. No other altitude
sensor may be selected.
Action Explanation
1. In NAV mode, turn the Large knob to
display the Altitude Assist page.
ALTITUDE ASSIST
LOCAL ALTIMETER
SETTING 29.92¯·
NAV
If an ARINC 429 Air/Data sensor is
installed in the system, the Altitude
Assist page appears as shown below.
ALTITUDE ASSIST
BARO ALT 1000FT
·
2. Turn the Small knob to display the
Current Sensor page, and press SEL to
activate editing. The “*” is next to the
activated sensor.
CURRENT SENSOR
*ENCODER 1020FT
F/ADS 1021FT
NAV
87
Operations Nav Mode Procedures
NAV
SEL
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