Labex Harmony User Manual, Date: 15 February 2021, # 6
If you turn the device on from the bottom switch
while charging and try to use it, the device will
not emit sound and the LED light above the
speech buttons will glow in Red to warn you. To
use the device, simply disconnect the charger.
5.
After charging the device, it must
be turned on.
To do this, use the ON/OFF Switch on the bottom
of the device. The LED Indicator lights up in
green briefly. Press the Top Cap of the device
firmly against the neck and then hold Talk Button
1 or Talk Button 2 to speak. The device will start
to emit sound. This allows the proper function of
the product.
6.
Finding the sweet spot
A sweet spot is called a place on the throat area
where you feel the sound from the electrolarynx
transmits through the neck tissue and out of the
oral cavity with the most clarity.