WELL BRAIN WBI-144, Руководство пользователя

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HOW TO TURN ON/OFF AND ADJUSTING VOLUME (cont’d):
2. Simply slide same switch to its “
OFF
” position to turn the
device off.
3. The volume controller is located above the ON/OFF switch
on the back of the device case. To adjust sound volume,
turning the knob slowly towards to the microphone to
decrease, vise versa to increase.
4. For best results, try starting with volume on low, gradually
increasing it to your preference. Do not set the volume too
high. High volume may cause excessive feedback and pose
health risk.
CHARGING UP THE DEVICE :
Your Whisper Rechargeable hearing amplifier is embedded
with a Ni-MH rechargeable battery in the device case, pow-
ered up by charge thru AC wall outlet or from AAA alkaline
battery. It comes with a Dual-Charge/Container for selection
of power source to charge up. If the charger is connected
to an AC wall outlet with an AAA alkaline battery installed at
the same time, alternating current will be selected.
This is a
rechargeable device, you do not need to replace any battery .
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