Turn the calibration beam slowly to the vehicle head direction when the
arrow animation on the screen to vehicle head direction. When the
screen appears STOP, the operator must stop turning the calibration
beam.
Turn calibration beam to head direction till the screen appear STOP and
stop turning. The screen will indicate "calculating staged calibration data,
please prepare next calibration", at this time, operator can move the
calibration bar to prepare the next calibration step.
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