Frequently Asked Questions

All our products are made in France and are covered by a 3-year warranty (parts and labor) from the date of purchase, reflecting our high standards of manufacturing quality.

Yes, our sound level limiters and displays strictly comply with French regulations and are approved according to the NF S31-122-1-2017 standards.

• If the display shows E2, you must:
  • Display only (master): Check that the sensor is connected.
  • Display connected to a limiter: Check that the sensor is connected to the limiter.
• If the display shows E3, you must:
  • Change the battery, then synchronize the clock with your PC.

• Where should I place the sensor? If the acoustic impact study has not defined it, the sensor must be placed:
  • Either in front of a fixed speaker (respecting a distance greater than 80 centimeters)
  • Or in the middle of the room, on a wall or ceiling.
• Can we remove the sensor?
  • The sensor must always be present even if the limiter is in line mode.
  • The sensor is used for recording history.

Each time an element in the acoustic chain changes, it is IMPERATIVE to redo a calibration.

The cable may be severed, damaged, or disconnected.

Yes, you can connect several displays with a single sensor, this will allow you to display the measurement in different locations.

It protects the audience's hearing and the neighbourhood in venues broadcasting amplified sound: maximum levels of 102 dB(A) and 118 dB(C) (94 dB(A) and 104 dB(C) for young audiences), continuous recording and display of sound levels, informing the public, free hearing protection and hearing rest areas or periods.