DARAY X340, Руководство по эксплуатации и установке

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3.4 Operating the Downtube
On the ceiling mounted version (X340LC), the inner extension arm in the downtube
extends to a maximum of 300mm
– see below image.
This extension is controlled by a thumb screw located around the back of the primary
downtube.
Loosening the thumb screw will allow you to reposition the light to the
required height. Please ensure you use your free-hand to control the
speed that the light lowers at, to make sure it doesn’t freely drop.
300mm
Thumb Screw