3Universal microphone switch Toggle to turn all product
microphones on or off.
Note: To use voice services, both the
microphone switch and the voice
services indicator light must be on.
When the switch is off (down), the
microphones are disabled so
microphone-enabled features like
Trueplay quick tuning and voice
services are unavailable.
When the switch is on (up),
microphone-enabled features like
Trueplay are available. (Voice
services are available if the voice
services indicator light on top of
the product is also on.)