Labex Harmony User Manual, Date: 15 February 2021, # 10
4.
After a few seconds, the device will start
emitting sound on its own. Release all
buttons. The device is now in “Pitch setup
mode.”
5.
You can now press Talk Button 1 to increase
the pitch and Talk Button 2 to decrease the
pitch.
NOTE: The LED Indicator will blink in red if you
are at the maximum or minimum pitch.
Otherwise, it will glow in green.
6.
When you reach your desired pitch level,
press the Settings Button to confirm. The
device will automatically save your choice.
NOTE:
You can assign a different pitch for each
Talk Button.
10.
How to reset all settings to factory
values
If you want to revert the device to its factory
default volume & pitch, follow these steps: