HDL310 microphone and speaker bar status indicator lights

  • Updated on Sep 29, 2025
  • Published on Apr 14, 2024
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The colors of the status indicator lights on the microphone and speaker bar reflect different statuses. There are three brightness levels for the lights on the microphone and speaker bar: dim, bright and off. To change the brightness, press the F1 button on the remote control.

Status indicators lights explained:

LED state

Reason

Illustration

Solid red

In-call mute

mic.speakerbar.led.solid.red (04.24)

Solid white

System on and operational

mic.speakerbar.led.solid.white (04.24)

Directional white

System starting up

mic.speakerbar.led.directional.white (04.24)

Solid blue

In call

mic.speakerbar.led.solid.blue (04.24)

Directional blue

Incoming call

mic.speakerbar.led.directional.blue (04.24)

Flashing red

Error

mic.speakerbar.led.error (04.24)

Volume indicator lights

The lights on the microphone and speaker bar also indicate changes in the speakerʼs output volume.

LED state

Illustration

Volume increase

mic.speakerbar.led.vol.up (04.24) large

Volume decrease

mic.speakerbar.led.vol.down (04.24) large

Maximum volume

mic.speakerbar.led.vol.max (04.24) large

Minimum volume

mic.speakerbar.led.vol.min (04.24) large

Connect module status indicator lights

The Nureva® HDL310 system features status indicator lights on the front and back of the connect module. The status indicator lights can be used to help troubleshoot issues with the system and confirm the device is ready to be used.

Learn more about HDL310 connect module status lights.