User's Manual

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Volume Control
Numeric Keypad
You can tap on the “Keyboard”
icon to invoke a virtual numeric
keypad if you need to input
numbers during the call such like
extension numbers or password.
Tap on the number buttons when
necessary.
When you don’t need the keypad,
tap on the “Close” button to hide it.
During a call, you can tap on the
“Volume” icon to adjust the
volume.
Tap on the “+” button to increase
the volume, and the “-” button to
decrease the volume.
Tap on the “Volume” icon again to
finish the setting.
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