How do I adjust the polarity of the Zelzah 4-Stage barber phaser?

The polarity of the 4-Stage barber phaser can be can be adjusted for positive (rising) or negative (falling) modulation.

To adjust the polarity of the 4-Stage barber phaser:

1. Press and hold the ON (6-STAGE) footswitch.  Once both LEDs flash, release the footswitch.
2. Turn the SPEED (4-STAGE) knob to adjust the polarity of the 4-Stage phaser.  The ON (4-STAGE) LED will change color to indicate the current status as the knob is turned.
   1. Negative – RED – continuously falling LFO
   2. Positive – BLUE (default) – continuously rising LFO
3. Press either footswitch to exit and store the Barber Polarity setting.

*NOTE: The Barber Polarity setting is saved independently per Favorite setting or MIDI preset.