LXNAV LX80XX User Manual page 91

Operating Modes Version 6.03, May 2017
Compass will be enabled if check box Enable compass is ticked. If you would like to
perform in-flight calibration, check Enable in-flight calibration. It is not recommended to
do in-flight calibration in very turbulent conditions.
Press ALIGN button to align compass with AHRS, which is built-in V9/V8/V80 vario. When
installing compass, please make sure to align it as much as possible with V9/V8/V80
variometer. Deviation of few degrees is tolerated. When aligning compass with AHRS it is
important that cabin is closed and glider is not moving. Message will be displayed on screen,
when aligned.
Press CALIB button to start calibration of compass on the ground. Calibration process I very
straightforward. Make sure glider fuselage is levelled (use tail dolly), wings are levelled and
canopy is closed with pilot inside. Switch on all the avionics, which is normally switched on
while flying. Confirm calibration of compass to start calibration process. Assistant on the
wing should slowly rotate glider with wings levelled.
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