为避免人身伤害或设备损坏，所有液压锤修理、维护和维修均仅应由经过授权且适当培训的人员执行。

To avoid personal injury or equipment damage, all breaker repair, maintenance and service must only be performed by authorized and properly trained personnel.

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为避免因错误读数而引起的电击或人身伤害，出现电池电量不足的显示时，应更换电池。

To avoid false readings that can lead to electric shock and injury, replace the battery as soon as the low battery indicator appears.

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