Nasum A5, Руководство пользователя

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2. NASUM A5/A5 PRO Engraver Introduction
The NASUM A5/A5 PRO laser engraving can be used for engraving,
and cutting.
The NASUM A5/A5 PRO laser engraver uses a fixed-focus laser,
traditional lasers are zoom lasers and require to look directly at the laser
spot to find a proper size. The NASUM A5/A5 PRO laser is a fixed-focus
laser, it only need a fixed-focus sheet to get the best engraving focal
length.
The laser shield helps us block most of the bright light, if we look
directly at them, firstly the retina will be damaged and your vision will be
reduced, secondly it will cause visual fatigue, decreasing productive and
leaning efficiency. Thirdly, the light can inhibit the production of
melatonin, which affects the quality of sleep. The laser shield can help to
protect you from this damage.
The NASUM laser engraver has a laser power of 5W, and it can cut
some boards and engrave on stainless steel easily.
NASUM A5/A5 PRO engraver supports PWM control (Pulse Width
Modulation), which makes the engraved pattern more detailed.