... the card with direction arrow please. a.3 Button(1) Press the button to turn on, turn off, start, stop, ... Pen: Part(6) use for writing. ON/OFF Press button (1) for 2 seconds to start the device. ... is on.When the indicator light is on, press the button for 3 seconds. the device will automatically ... slowly.When the red indicator light flashes, press the button for short time to stop recording and save ...