Adjusting the Headset Ear hook
The ear hook can be adjusted to suit the different ear size and make you feel
comfortable.
Warning:
Make sure not to distort the ear hook always for a long time with large
extent while adjusting the hook, otherwise may damage the ear hook.
Adjusting the Headset Volume
Press the VL+key to increase or the VL-key to decrease the volume.
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Note
】：
There are 15 volume levels available for adjusting to high or low,
moreover high volume and low volume can be identified by different tone.
Whenever it reaches the maxi / mini volume, you will hear two beeps.
Call Handling
To Make a Call
To make a call, dial the number with your phone, and press the answer key on
your phone.
If your phone supports redialing function, please press the VL+ key of the
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