JYTEK PCIe-69834, User Manual

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40 Important Safety Instructions

Never attempt to fix the equipment. Equipment should only
be serviced by qualified personnel.

A Lithium-type battery may be provided for uninterrupted,
backup or emergency power.

Equipment must be serviced by authorized technicians
when:

The power cord or plug is damaged;

Liquid has penetrated the equipment;

It has been exposed to high humidity/moisture;

It is not functioning or does not function according to the
user’s manual;

It has been dropped and/or damaged; and/or,

It has an obvious sign of breakage.
Risk of explosion if battery is replaced with an incorrect type;
please dispose of used batteries appropriately.