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3.1.4.2 install power supply
Power supply is as follows
：
Fig3-15 laser power supply
Put the laser power supply into the box [laser power supply box} at the back of the case.
Firstly connect the positive pole line, unfasten white plastic screw cover of the laser tube
positive pole lineAnd then securely connect the negative pole line to the negative pole end of the
laser power supply as shown in the figure below:
Attention: Fix the laser tube with proper force to avoid damage against it.
It is a must to keep the water inlet (light outlet end) at lower part of the tube.