There are various signs on each server equipment, such as warning signs, grounding signs, and anti-static signs. Which of the following signs is wrong identified and understood by Engineer A?

There are various signs on each server equipment, such as warning signs, grounding signs, and anti-static signs. Which of the following signs is wrong identified and understood by Engineer A?

icon 1

icon 2

icon 3

Icon 4
A . Icon 1 means anti-static sign, please do not touch the device with bare hands
B. Icon 3 means the internal grounding sign, indicating that the equipment must be grounded through the grounding point to ensure the normal operation of the equipment and ensure the personal safety of the operator
C. Icon 2 means a warning sign, which indicates that mis-operation may cause equipment damage or personal injury
D. Icon 4 means the altitude mark, which means that the device is only suitable for safe use in areas below 2000m above sea level

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Answer: D