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DDF4900HDV / DDF4500HDV
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21
Step 3
Tighten the M4 locking screw (
) of both ceiling clamps with a Phillips screw-
driver until the housing is fixed (
).
Ceiling clamp
Ceiling clamp
Suspended ceiling
Phillips screwdriver
Fig. 6-3
Locked ceiling clamp
Locked ceiling clamp
Suspended ceiling
Fig. 6-4