HumanTechnik Introson 2.4 Mode D'emploi page 21

Communication feature:
The sound of the transmission can be interrupted at any time, for example to talk to a person
in the same room. Press the MIC-button of the receiver once. The receiver's inbuilt micro-
phone will now register the surrounding sounds and amplifies them. The volume can be
adjusted with the volume control. To end this function, press the MIC-button once more - the
previous transmission will now continue.
Tone clarity:
Tone adjustment
If required, the tone of the receiver can be adjusted. Press the Tone adjustment button to
match your preference. The current setting is visible by the orange 1, 2 and 3 LEDs.
The tone / speech intelligibility can be enhanced individually on the transmitter with the
following settings:
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