Dell Projector 1220 - Manual (Page 6)

6 Your Dell Projector
5 Ensure that the projector operates between ambient temperatures of (5 °C
to 40 °C).
6 Do not touch the ventilation outlet as it will become heated during
operation or immediately after the projector is turned off.
7 Do not look into the lens while the projector is on as it may cause injury to
your eyes.
8 Do not place any objects near or in front of the projector or cover its lens
while the projector is on as the heat may cause the object to melt or burn.
9
Do not use alcohol to wipe the lens.
NOTE:
•Do not attempt to ceiling mount the projector yourself. It should
be installed by a qualified technician.
•Recommended Projector Ceiling Mount Kit (P/N: C3505). For
more information, see the Dell Support website at
dell.com/support.
•For more information, see the Safety Information that shipped with
your projector.
•The 1220 projector can only be used indoors.