I didn't get anything describing how this worked, so had to look up online how to use it.
It's not hard, and it works great once you know which button does what and what the blinking means.FYI: top button blinks slowly to let you know it's not using the auto-levelling, side slide turns on auto leveling. If it's too far off for the auto-level to work it blinks fast, if it's level it's solid.
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