Datavideo VP-781, Instruction Manual

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or into this unit.
12. Except as specifically explained elsewhere in this manual, do not attempt to
service this product yourself. Opening or removing covers that are marked
“Do Not Remove” may expose you to dangerous voltage points or other risks,
and will void your warranty. Refer all service issues to qualified service
personnel.
13. Unplug this product from the wall outlet and refer to qualified service
personnel under the following conditions:
a. When the power cord is damaged or frayed;
b. When liquid has spilled into the unit;
c. When the product has been exposed to rain or water;
d. When the product does not operate normally under
normal operating conditions. Adjust only those controls
that are covered by the operating instructions in this
manual; improper adjustment of other controls may result
in damage to the unit and may often require extensive
work by a qualified technician to restore the unit to normal
operation;
e. When the product has been dropped or the cabinet has
been damaged;
f. When the product exhibits a distinct change in
performance, indicating a need for service.