Labex Digital User Manual, Date: 15 February 2021, # 10
1) Press and hold the Up Button for about 3
seconds until the device starts buzzing.
2) When the device begins to emit sound,
release the button. The device should
keep making sound on its own, without
any button being pressed.
3) Press the Up or Down Button to increase
or decrease the pitch.
4) When you reach the desired pitch, press
the Start Button for confirmation. The
device will automatically save your
desired pitch.
How to reset all settings to factory
defaults
If you feel that you want to revert the device to
its factory default volume&pitch follow these
steps:
Press and hold all buttons starting from
the top - Start Button, Up Button, and
Down Button.
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