Calibrating the HDL410 system

Instructions for calibrating an HDL410 system
Last Updated: October 24th, 2022

The HDL410 system has two types of calibration – automatic calibration and recalibration. Ideally, the user or installer does not need to perform any calibration procedures on the HDL410 system as it is done routinely by the system.

During a calibration sequence, the speaker will generate a signal that will sound similar to static. After 15 to 20 seconds the static sound will stop and the LED lights will return to a normal state. The calibration sequence will be complete.

Autocalibration

Autocalibration is a continuous process and occurs while the HDL410 system is powered. No user action is required to start or maintain the autocalibration process. The system usually takes a few minutes to gather sufficient calibration data and continues to fine-tune over time. This process does not affect the functionality and the system is usable during autocalibration.

The HDL410 system will autocalibrate to accommodate changes in the room such as the number of people or the configuration of furniture.

Recalibrate

Recalibration is a process that calibrates the system within seconds. It automatically starts when the unit is first unboxed and powered up. Additionally, recalibration may be initiated manually through a remote control button sequence or by using Nureva® Console. The recalibration procedure will take approximately 20 seconds to complete.

We recommend having the HDL410 system installed before powering it up for the first time.  If the system is powered up pre-installation, the HDL410 system will require a recalibration once installed to ensure optimal audio quality.

Recalibration can be manually started at any time but is usually used when the room configuration changes significantly.  Do not perform a recalibration and then re-position the HDL410 system or furniture. Make sure there are no other audible sound sources in the room other than normal ambient noise (e.g. no music playing, no people talking).

It is possible to start a recalibration during a call. However, both parties will not be able to hear each other while a recalibration is taking place. The microphones and speakers are temporarily disconnected from the call. The call will resume after recalibration is complete.

Nureva Console recalibration

The following steps are required to perform recalibration through Nureva Console cloud or client:

  1. Navigate to Device Settings
  2. Choose Audio processing
  3. Under the recalibrate section, click on Start
  4. Once the calibration signal stops and the LED lights return to a normal state, the recalibration will be complete

Remote control recalibration

Below are the steps for initializing the manual recalibration through the remote control.

  1. Press the F4 button on the remote five times in quick succession
    • A single blue light will start flashing on the integrated microphone and speaker bar
  2. Press the Mute button on the remote and the HDL300 system will enter the recalibration mode
    • The LED will alternate between solid red and solid blue lights
  3. Once the calibration signal stops and the LED lights return to a normal state, the recalibration will be complete


NOTE: When recalibrating an HDL410 system, the LED lights on both microphone and speaker bars will alternate between red and blue solid lights. The pink noise will be heard from both microphone and speaker bars.

  

   

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