Empress Effects Phaser - Manual (Page 15)

Changing the Mix/Blend Configuration
To change the mix/blend configuration, open up the pedal and
locate the DIP switches labelled ‘BLEND’.
CONFIGURATION DIP1 DIP2 DIP3 DIP4
Blend (default) OFF ON OFF ON
Mix OFF OFF ON OFF
Harmonic Enhancement Circuit
The Empress Phaser has a clean and pristine sound by design. In
some instances, a dirtier sounding phaser may be desired. To
accomplish this, we’ve included a circuit which adds subtle, yet
pleasing, even order harmonics to the wet signal.
Engaging the Harmonic Enhancement Circuit
Engaging the circuit can be done by opening up your phaser and
locating the ‘BLEND’ dip array. Switching DIP1 on or off turns the
harmonic enhancement circuit on and off accordingly.