2n Helios IP Configuration Manual v2.7 Manuel d'utilisateur télécharger pdf (Page 40)

402N TELEKOMUNIKACE a.s., www.2n.cz

List of Parameters

Master volume – set the master volume for the entire system. This setting

affects the volume of phone calls and all signalling tones.

Adaptive volume – enable the adaptive volume mode in which the speaker

volume is adjusted automatically depending on the noise level of the intercom

installation site.

Minimum volume – set the minimum volume in the adaptive mode to avoid

dropping below the acceptable limit.

Maximum volume – set the maximum volume in the adaptive mode to avoid

exceeding of the acceptable limit.

Tip

If the Speaker volume and Microphone sensitivity values exceed + 12 dB

if put together, the sound quality of the intercom-to-phone signal may

deteriorate in some cases due to acoustic feedback between the

microphone and the speaker depending on the intercom installation site

conditions (mounting method, device placement, environment qualities,

surrounding noise, etc.). If you hear interference in your handset during

intercom communication, set the value to LowAEC Artefacts Reduction

or High as necessary.

Note

This setting is available in the adaptive mode supporting models only.

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2n Helios IP Configuration Manual v2.7 Manuel d'utilisateur Page 40