| 摘要 |
An apparatus for monitoring a voltage received from a laser system comprises a voltage detector for detecting a voltage level outputted from the laser system, a controller for determining the voltage level outputted from the voltage detector, and outputting an alarm control signal if the voltage level is not equal to a reference voltage, a display for displaying the voltage level using a control signal outputted from the controller, and an input part for inputting the reference voltage to the controller.
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