Press up or down button to lift or lower the laser head until the three red light point overlap, which is the best focal point.
The measuring focal length of this machine is ___________ mm, and the measuring distance is the length from the bottom
line of the laser head to the surface of the engraving material. This parameter is measured manually, and each device has
different focal lengths due to changes in laser sources and field lenses.
Note: Before the machine is out of the factory, we have done red light correction (for your lens). At the position where
the two red light spots overlap, the laser emits the strongest light. However, due to transportation reasons, the focus
point of the red lights you received may shift, and the focus point would not be the best focal length.
Please operate as the following steps:
1.Place the stainless steel test plate on the machine table
2.lift up or down the laser head to the best focus point
according to the number in handwriting above
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