Datavideo WM-11 Wall Mount for PTR-10 MK II and PTR-10T MK II - Manual (Page 11)

11
Installing PTR-10/10T
To mount the PTR-10/10T to the WM-11, first place it on the base
plate of the WM-11 such that the four screw holes at the bottom of
the PTR-10/10T base are aligned with the screw holes found in the
base plate as indicated in the diagram below.
Secure your PTR-10/10T with four M3 x 10mm screws and spring
washers .