1) Switch: The switch is a green one at the back of device.Turn on the switch, the display will be on, then the power is on. The number shown on the screen is mixing time. 2) Digital controller of both time and speed: it is in the front panel. 3) Start/stop: Start the device once, it works once. If pause needed, just keep pressing the Start button for 3 seconds. once, it works once. If pause needed, press the button too. 4) Safety lid and capsule clip: open the safety lid, fit the amalga capsule, glass ionomer or other material into the clip, while working, the safety lid must be closed.
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