TrekStor SurfTab theatre 13.3 Operating Instructions Manual page 22

Now you can set the SurfTab in the holder (5) provided in the
front base section.
The tablet stand can be folded up again at any time to save
space during transport.
i
NOTE
Tighten the locking screws again after folding the stand up
by turning them in a clockwise direction. This will prevent
the stand from unfolding again and/or the locking screws
becoming loose and getting lost.
22 EN