Adjusting The Volume; Muting The Microphone - Sennheiser SP 30T User Manual

15 UsIng tHe sPeAkeRPHone

Adjusting the volume

Increasing the volume
Press the button +
LeDs and volume will be increased or reduced by half step with each button press.

Muting the microphone

Muting the microphone
Press the Microphone mute button.
the LeDs light up red.
SP 30T Bluetooth Speakerphone
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You can adjust three independent volume settings for the
speakerphone:
1. Call volume: during an active call
2. Audio volume: during audio streaming
3. volume for ring tone, tones and voice prompts:
in idle mode – no active call or audio streaming
Decreasing the volume
Press the button –
Unmuting the microphone
Press the button again.
the LeDs turn off.