Atdec Telehook TH-PF Installation manual - Manual (Page 4)

Step 13. cont. Step 14. Security
Step 13. Attach Projector to Mount
2 ROTATE
Keyholes
Insert the four studs to the key holes and Rotate the projector.
To secure the base plate insert the M5 x 10mm Security Screw into any
of the four locking holes and tighten using the supplied 3mm Security
Allen key
Studs
Studs
Keyhole
Locking Holes
Locking Holes
M5x10mm Security Screw
1 INSERT
Insert the four studs in
the key holes
Rotate the projector to engage the spring catch