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Operations
Message Displays
Set Barometer
The Set Barometer alert prompts the user to change the altimeter
setting after the approach has been enabled. One of three conditions
may exist: altitude inputs to the NMC are not baro-corrected; altitude
inputs are baro-corrected; altitude inputs are not available.
Altitude Inputs without Baro-Correction
If altitude inputs are not already baro-corrected, the following message
prompts the user to enter the local altimeter setting. The Small knob is
used to modify the highlighted field. The user must press ENT to
continue normal NMC operation. The default value first displayed is
the last entered altimeter reading.
Altitude Inputs with Baro-Correction
If the altitude inputs are already baro-corrected, the following screen
reminds the user to update the remote device altimeter setting.
No Altitude Inputs
If the NMC is not receiving altitude inputs, the following screen is
displayed. You must abort the approach by pressing the OBS/HOLD
button and exercise the missed approach procedure.
No Valid Altitude Input for Approach
When approach is enabled and you are within 3 nm of the FAF or
approach is active, the NMC checks for valid altitude input. If the
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