Dell S520 Projector - Manual (Page 9)

Recommended Screen/Whiteboard
Markers
This Dell S520 Screen/Whiteboard is a dual-purpose
projection screen and whiteboard. The surface of
the screen/whiteboard can be used with dry erase
markers from a wide variety of manufacturers and
brands. Do not use permanent markers with this
product.
Recommended Screen/Whiteboard
Cleaning
The supplied cleaning cloth can be used to clean
marks on the Dell S520 Screen/Whiteboard surface
made by everyday dry erase marker usage. To clean
persistent marks from dry erase markers, only use
a standard dry erase marker cleaning solution and
the cleaning cloth. To clean permanent marks and
other unintentional marks on the surface, use a non-
abrasive or non-scouring spray cleaning solution with
the cleaning cloth or a melamine foam cleaning pad.