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4
DSP520/640 User Guide
To fit the mounting frame
Clamping
screws
(M5 x 25)
Mounting
frame
•
Slide the mounting frame into the wall box.
•
Clamp the frame to the wall with the M5 x 25 button-head
screws (DSP520 8 pieces, DSP640 12 pieces).
Tighten just enough to clamp the frame to the wall. Do not
overtighten as this may distort the frame.
Locking
screws
(M5 x 10)
Once the frame is tight against the wall:
•
Lock into place with M5 x 10 button-head screws (DSP520
6 pieces, DSP640 8 pieces).
•
Lock tight.
EN
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