TPUH-PSU12-UL: Integrated Switching Power Supply
PTN Electronics www.PTN-electronics.de
14. Refer all servicing to qualified personnel. Servicing is required when the apparatus
has been damaged in any way, such as power supply cord or plug is damaged,
liquid has been spilled or objects have fallen into the apparatus has been exposed
to rain or moisture, does not operate normally, or has been dropped.
15. CAUTION: These servicing instructions are for use by qualified service personnel
only. To reduce the risk of electric shock, do not perform any servicing other than
that contained in the operating instructions unless you are qualified to do so.
16. Caution – To prevent electric shock hazard, replace grille.
17. Do not install this equipment in a confined or building-in space such as a book
case or similar unit, and remain a well ventilation conditions at open site. The
ventilation should not be impeded by covering the ventilation openings with items
such as newspaper, table-cloths, curtains etc.
18. WARNING: Only use attachments/accessories specified or provided by the
manufacturer (such as the exclusive supply adapter, battery etc).
19. WARNING:Please refer the information on exterior bottom enclosure for electrical
and safety information before installing or operating the apparatus.
20. WARNING:To reduce the risk of fire or electric shock, do not expose this
apparatus to rain or moisture. The apparatus shall not be exposed to dripping or
splashing and that objects filled with liquids, such as vases, shall not be placed on
apparatus.
21. WARNING:For the terminals marked with symbol of “ ” may be of sufficient
magnitude to constitute a risk of electric shock. The external wiring connected to
the terminals requires installation by an instructed person or the used of ready-
made leads or cords.
22. CAUTION: Danger of explosion if battery is incorrectly replaced. Replace only with
the same or equivalent type.
23. WARNING: To prevent injury, this apparatus must be securely attached to the
floor/wall in accordance with the installation instruction.
24. WARNING: The battery (battery or batteries or battery pack) shall not be exposed
to excessive heat such as sunshine, fire or the like.
25. WARNING: Excessive sound pressure from earphones and headphones can
cause hearing loss.