UAV-1004234-001, AV-30-E Installation Manual 123
Rev H
center knob to exit. If the measurement failed a message stating
and try again. If the function still fails, please contact product support.
13.2.9 Air Data – Altitude Trim
As the AV-30-E ages or is exposed to unusual conditions, the pressure
sensors may require field adjustment to maintain accuracy. If the
Altitude appears to be accurate at some altitudes and increasingly
inaccurate as you increase or decrease altitude, a trim adjustment may
be beneficial. This function requires a calibrated air data test set
connected to the AV-30-E to simulate multiple altitudes.
To execute this function, go to the AI mode page on the AV-30-E and
set the barometric pressure to 29.92. Now go to the installation menu
and select ALT TRIM LO. Set the air data test set at a low altitude point
somewhere between -Press and release the center
knob then turn the knob until the value displayed for BaroCorrAlt + Trim:
is equal to the altitude on the air data test set. Press and release the
center knob to exit the menu.
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