OKARA WB-171, 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 casing. To adjust sound volume,
turning the knob slowly towards the direction of the
microphone to decrease, vise versa to increase.
4. For best results, try starting with volume on low, gradually
tune to your desired level. Do not set the volume too high,
because high volume may cause excessive feedback and
pose health risk to your hearing.
CHARGING UP THE DEVICE :
Your Okara Rechargeable BTE Personal Sound Amplifier is
operated by a rechargeable Ni-MH battery that built-in the
device casing. The device is to be charged up by the Dual-
charger/Travel Container. You may charge up the device
by using one AAA alkaline battery. Alternatively, you may
choose to use the AC wall outlet; when connected to the AC
wall outlet but installed with an AAA alkaline battery in the
battery compartment, alternating current will be used.
This
is a rechargeable device, there are no needs replacing the Ni-
MH battery with new ones.
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