ATOMSTACK A20 Pro User Manual

4. The laser itself has a protective cover, the protective cover is fastened by screws. When the laser is installed on the laser engraver, the
protective cover should be checked to be reliably locked, and can not be removed in the energized state.
5. The housing of the laser engraver have an interlock function. When the housing is opened or removed, the laser can be automatically
turned off.
6. The laser engraver have an emergency stop button, which can immediately stop the output of the laser when pressed under
unexpected circumstances.
7. The laser engraver have a reset button, which can resume work under the condition of confirming safety after lifting the interlock or
emergency stop.
8. Laser engraver use physical keys, dongle, password system and other ways to manage and control, and prevent personnel without
safety training from operating such equipment.
9. Set a warning mark on any window or channel that can actively observe or passively receive laser radiation on the laser engraving
machine.
10. If the laser burns the skin or eyes, please go to a nearby hospital for examination and treatment immediately.

ATOMSTACK A20 Pro Specifications

General

Laser Power	20W
Laser Wavelength	455nm
Control Software	LaserGRBL, LightBurn
Laser Electric Power	90W
Engraving Accuracy	0.01mm
Laser Protective Cover	Yes
Input Voltage	AC 110-220V
Supported File Formats	NC, BMP, JPG, PNG, DXF
Material Capability	Wood, Bamboo, Cardboard, Plastic, Leather
Data Transmission Method	USB
Engraving Area	400mm x 400mm
Focusing Method	Fixed Focus
Output Voltage	DC 24V