Adjusting The Low-Range Frequency Of The Equalizer [Eq Lowfreq. (Eq L.freq)]; Adjusting The Low-Range Gain (Amount Of Boost/Cut) Of The Equalizer [Eq Lowgain]; Adjusting The High-Range Frequency Of The Equalizer [Eq Highfreq. (Eq H.freq)]; Adjusting The High-Range Gain (Amount Of Boost/Cut) Of The Equalizer [Eq Highgain] - Yamaha Clavinova CLP-170 Owner's Manual