Velleman WB039 - Manual (Page 5)

2b. Hole Installation
2. Installation to Desk
Re-install the base plate with three attachment screws, tighten securely.
Disassemble the desk clamp assembly and select the right
components for hole installation.
Note: min. hole diameter = 10 mm
max. hole diameter = 70 mm
From below the desk, insert the clamp adjustment screw through the pad and up through the hole in the desk.
Thread the screw by turning the knob into the base plate but do not tighten completely at this time. Centre the
desk mount assembly over the hole, securely tighten the screw.
attachment screw
P-B
pad
clamp adjustment screw
rubber pad
base plate
EN
51