Ecler BET ACOUSTICS MASS1015P Manual De Instrucciones página 28

In terms of spectrum this signal is made of two frequency components with the same amplitude:
f and 2*f. 2*f is the displayed value for FREQUENCY parameter to avoid loosing the signal for
frequencies higher than 24kHz (according to sampling theorem).
7.8.4. Level meters
The main panel has level meters to display input and output levels in real
time for each processing channel (when .amiclab-m3 is connected with hardware).
7.8.5. About...
BET's logo is an editor's hot zone displaying "About .amiclab-m3" information
window when you click on it.
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