5 Operating
5.1 Operation and use of the instrument
5.1.1 Button operation
ON / OFF / Awake button
Power on: the green indicator is light after long pressing " ", then it enters to the measurement
interface after displaying the time.
Power off: under non-record state, long pressing " " to power off.
under record state, it is disable to power off,you need to stop recording before you operate.
Screen awaking: under record state, if there is no button operation within 60 seconds, it will
automatically enter power-saving state. Short press " " to awake the LCD to display.
Menu / Confirm button
Under measurement interface, long press "M" button to enter the main menu, then short press
"M" button in main menu to browse the menu, long press it to enter the next menu or set the
menu option selected.
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