1 · USB cable interface:connect the computer and control board of machine for data
transmission.
2·U disk interface: Use U disk to transmit the data to the control board.
3·Cover protection switch : control device to open and close the cover , the device
processing and pause function. The machine will work eigher the cover is opened or
closed when the key is turned to the right. When the key is opened and the cover is closed,
the machine will begin to work by pressing “OK” button on the control panel, the machine
will stop working when opening the cover.
4·Laser Switch: Control laser beam switch.
5·Lamp switch: Control lighting inside the device.
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