ECOVACS ROBOTICS WINBOT X Manuel D'instructions page 11

If the window is covered with dirt, clean a small area of the glass before
placing Safety Pod and WINBOT there.
WINBOT can clean glass installed horizontally, but only when using the
Direction Control Buttons on the Remote Control. Keep the Safety Pod
firmly attached to the glass.
3. Operating WINBOT
WINBOT can clean glass installed at an angle, but may not operate
normally. In this case, a person should remain in the vicinity to assist
should there be a problem.
Do not use WINBOT upside down.
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EN