Hedra

Selects key for diatonic harmonies. Set to max for chromatic shifting
Alt Function: Scale Type Select
(from Min to Max): Major, Minor, Melodic Minor, Harmonic Minor, Double Harmonic, Eastern Pentatonic, Minor Pentatonic

Slightly detunes all three pitch shifted voices
Alt Function: Pitch Correction and Glide
When the knob is between Min and Mid select between: No Correction, Loose Correction, Strict Correction. When knob is between Mid and Max selects amount of glide

Adjusts the balance between Dry and Wet signals
Alt Function: Delay Feedback Controls delay feedback.
Series delay modes: Pitch 3 sets the feedback loop.
Dual delay modes: Pitch 1 and 3 both add to the feedback loop

Pitch 2 : Sets interval for the second pitch shifted
voice
Alt Function: Time Division 2 Sets a fraction of the main tempo for second pitch shifted voice

Pitch 3: Sets interval for the third pitch shifted voice
Alt Function: Time Division 3 Sets a fraction of the main tempo for third pitch shifted voice

Alt Functions are only accessible when this button is held

(Press to Select Mode)
Dual: Splits the delay into 2 short delays with a stereo output
Dual + Series: the same 2 short delays as Dual mode, now with cross-feedback
Series: One long series delay with standard feedback
Pitch Feedback: One long series delay
with the pitch shifters in the feedback loop

Tap: Sets the main tempo/delay time. Total available time for the two Series delay modes = 520 msec. For the Two Dual delay modes = 260 msec
Alt Function: Half Speed Enables the delay to run at half speed
Hold Tap:  Momentarily enable an automatic volume swell based on your pick attack

Bypass: Disables processing and passes the input thru to the output
Alt Function: Pitch Control Smoothing Enables smoothing of the Pitch knobs. Turn the smoothing off to hard step through the intervals

Pitch 1: Sets interval for the first pitch shifted voice
Alt Function: Time Division 1 Sets a fraction of the main tempo for the first pitch shifted voice