5
Dangerous:
Indicate risk of serious injury or death or seriously damage of the equipment.
Warning:
Indicate risk of serious injury or damage of the equipment.
Attention:
Indicate risk of injury or damage of the equipment.
Some or all the following symbols may be used in this manual. It is advisable to familiarize your-
self with them and understand their meaning:
Symbol and Explanation
Symbol Explanation Symbol Explanation
Alert you to pay special
attetion
Direct current source (DC)
Caution of high voltage Protective graund
Turn on or turn off the UPS Recycle
Alternating current source
(AC)
Do not dispose with ordinary
trash
~
1.3 DESCRIPTION OF COMMONLY USED SYMBOLS
There are three levers of safety grade: Dangerous, Warning and Attention. The remark is on
the right side of the safety symbol, the detailed comments are shown as following: