User's Manual

- 7 -
Warning
• This unit has no power switch� When installing the unit, incorporate a readily
accessible disconnect device in the fixed wiring, or connect the power plug to an
easily accessible socket-outlet near the unit� If a fault should occur during operation
of the unit, operate the disconnect device to switch the power supply off, or
disconnect the power plug�
• Use the product only with the designated voltage and frequency� Improper
connection may cause electric shock or re.
• Avoid connecting too many devices to the outlet used for this product and using
extension cords. The outlet may overheat and cause a re.
• Do not damage, cut, bundle, or alter the power cord� Also, the cord may be damaged
if heavy objects are placed on it, or if pulled or bent with excessive force, and it may
cause a re.
• Do not install the product in places with salinity or corrosive gases in the air� This
may cause a re.
• Do not block the vents of the product� Heat may build up in the product and cause a
malfunction or re.
• Do not stand on or place heavy objects on the product� Also, do not apply excessive
force on the buttons, switches, terminals, etc� This may damage the product and
cause injury to the user or other people�
• Store the bag of the product out of the reach of children� It may cause suffocation if
placed over the head�
• Be careful not to injure yourself or damage other things on the edges of the product�
• Do not use this product for applications involving human life (such as medical, space,
aeronautic, or other applications that require extreme reliability)�
• The DP-DS620 Series weighs 12 kg (26�46 lbs�) and the DP-DS820 Series weighs
14 kg (30�86 lbs�)� When moving it, lift it in a way that avoids excessive physical
stress� Lifting recklessly or dropping the product may cause physical injury�
• Place the product as close to an outlet as possible to be able to easily unplug the
power cord in case of problem�
• If there is dust on the plug, clean it off thoroughly� It may cause an electric shock or a
short circuit�
• If metal objects or liquids have fallen into the product, or if there is smoke, a strange
odor, or any other abnormality, immediately unplug the power cord, and then contact
a service representative� Do not continue using the product if it is damaged or not
operating properly� This may cause an electrical shock, a short circuit, a fire, or
damage the product�
• Be sure to ground the product� Otherwise, a short circuit may occur, causing an
electric shock or re.
• Do not plug or unplug the cord with wet hands� This may cause an electric shock�
• Do not open the product, disassemble internal parts, or modify the product� It may
cause an electric shock, re, or injury, or a product malfunction. For internal check-
ups, adjustments, or repair, please contact a service representative�
For Safe Operation