Datavideo PTC-305, Instruction Manual

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9. If an extension cord must be used with this unit, make sure that the
total of the ampere ratings on the products plugged into the
extension cord do not exceed the extension cord’s rating.
10. Make sure that the total amperes of all the units that are plugged
into a single wall outlet do not exceed 15 amperes.
11. Never push objects of any kind into this unit through the cabinet
ventilation slots, as they may touch dangerous voltage points or short
out parts that could result in risk of fire or electric shock. Never spill
liquid of any kind onto 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.