RS-3990 / RS-3990L User’s Guide
4
z
Unplug the power cord before cleaning this product. Please
wipe with tissues or fabrics that are sprayed with a PC cleaner
and do not directly spray the product.
z
When this product will be idle for an extended period of time,
unplug the power cord to prevent damage stemming from power
surges.
z
When unplugging the power cord, pull by the plug, not the wire.
z
Do not place this product in a place where the temperature is
over 60
o
C (140
o
F) and ventilation is poor. This may damage the
product.
z
The optimum temperature for the operation of this product is
40
o
C, so keep electric heaters away from this product.
z
Take precautions to avoid losing data stored on the hard disc of
this PC and back-up important data at all times in case of an
unforeseen accident.
z
Do not attempt to disassemble this product. When this PC
needs repairs or updates, request warranty service and have a
service person do the work.
z
Should the following situations occur, contact one of our quality
assurance divisions.
9
When liquid gets into the product or when it is exposed to
humidity for an extended time
9
When this PC does not operate well even though you are
following the instructions
9
When this product has fallen and broken or become cracked
during delivery.
