Sennheiser 502875 Instruction Manual page 25

Using the RS 180
24
Enhancing the speech intelligibility
The speech intelligibility can be enhanced by activating a dynamic
compression system (Automatic Level
When activated, the automatic level control evens out volume differences,
i.e. it reproduces soft passages louder and decreases loud sounds. This
seems to put the speech in the foreground, making it easier to understand.
To activate the automatic level control:
Press the ALC button
The ACL button is backlit in green.
2
Control).
on the transmitter.