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Enable/Disable Microphone
Status Light
Speakerphone Volume-/+
Microphone
Enable/Disable
Speakerphone Volume
Functions
Status Light
Operations
USB Cable
2
• Press the button to adjust the speaker volume by level.
• Hold the button to adjust the speaker volume continuously.
• Press the button to enable/disable the microphone.
Five LED indicators indicate 10 levels of volume, whith each
indicator indicates 2 levels of volume by brightness and
darkness.
• Microphone is working: 5 LED indicators are white.
• Microphone is not working: 5 LED indicators are red.
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Functions
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