34
Chapter 6 Operation Guide
5-Start Step
WARNING
：
◎
Make sure that all the electrical connections (including cooling water
connections) are connected prior to use. All the connectors must be held
steady with screws if possible.
◎
NEVER look directly into the output fiber and make sure that you wear the
laser safety eyewear while operating the product.
◎
Make sure all power is removed from the laser when wiring.
Starting procedures are as follows:
（
1
）
Start the Chiller;
（
2
）
Remove the end cap of the collimator;
（
3
）
Make sure that the end surface of the collimator is clean and not covered
with impurities;
（
4
）
Make sure that the emergency stop switch is turned on;
（
5
）
Open the power supply of the laser;
（
6
）
Place the key switch of the front panel on position "ON".
（
7
）
Press the START button on the front panel. (For external control method)
6- Mode Description
The working modes of the laser are as follows:
（
1
）
Internal control: Control the output of the laser via control software. This
mode is used for checking whether the laser is normal or not, and testing the
laser power.
（
2
）
External Control: Control the output of the laser via external control line
(EE, modulation, 0-10V analog voltage and START button). This mode is used
for cutting and welding.
