---
title: "HDL300 microphone and speaker bar status indicator lights"
slug: "understanding-hdl300-status-indicator-lights"
description: "Understanding your HDL300 microphone and speaker bar status indicator lights and how to troubleshoot any issue."
tags: ["Feature", "Setup", "Installation", "Configuration", "HDL300 system"]
updated: 2024-04-22T20:37:44Z
published: 2024-04-22T20:37:44Z
canonical: "support.nureva.com/understanding-hdl300-status-indicator-lights"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://support.nureva.com/llms.txt
> Use this file to discover all available pages before exploring further.

# HDL300 microphone and speaker bar status indicator lights

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 | ![In-call mute status light](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/mic.speakerbar.led.solid.red%20(04.24).jpg) |
| Solid white | System on and operational | ![System on and operational status light](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/mic.speakerbar.led.solid.white%20(04.24).jpg) |
| Directional white | System starting up | ![System starting up status light](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/mic.speakerbar.led.directional.white%20(04.24).jpg) |
| Solid blue | In call | ![In-call status light](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/mic.speakerbar.led.solid.blue%20(04.24).jpg) |
| Directional blue | Incoming call | ![Incoming call status light](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/mic.speakerbar.led.directional.blue%20(04.24).jpg) |
| Flashing red | Error | ![Error status light](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/mic.speakerbar.led.error%20(04.24).jpg) |

### Volume indicator lights

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

| LED state | Illustration |
| --- | --- |
| Volume increase | ![Volume increase status light](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/mic.speakerbar.led.vol.up%20(04.24)%20large.jpg) |
| Volume decrease | ![Volume decrease status light](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/mic.speakerbar.led.vol.down%20(04.24)%20large.jpg) |
| Maximum volume | ![Maximun volume status light](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/mic.speakerbar.led.vol.max%20(04.24)%20large.jpg) |
| Minimum volume | ![Minimum volume status light](https://cdn.document360.io/1ff82979-b9bd-4d03-9c0e-683bae60b79a/Images/Documentation/mic.speakerbar.led.vol.min%20(04.24)%20large.jpg) |

## Related

- [Connect module status indicator lights - HDL300](/connect-module-status-lights-hdl300.md)