8
cover it with dust helmet. Do wait for the lamp house cooling completely before cover.
6.
The cleaning of the prism
The contaminations on the prism , for example finger mark\ oil , could be gently wiped with a
piece of soft brush\tissue paper or gauze which has been immersed in pure alcohol or xylene. Not
use organic solvent to wipe the non-optical elements, when must clean , please use the soft
detergent.
(note that the alcohol and the xylene are all burned easily, do not let them near the fire,
and use them in a drafty room as possible as you can.)
7. The cleaning of the non-optical elements
:
Not use organic solvent to wipe the
non-optical elements, when must clean , please use the soft detergent. The plastic surface only can
be cleaned with water.