KORG POLYSIX with CHD MIDI Retro Fit

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via this auction

Details on the MIDI kit via CHD:

"P6-KBD MIDI retrofit enables Korg Polysix to be controlled via MIDI. You can remotely control the keyboard and speed of the arpeggiator by MIDI commands. The instrument works like polyphonic MIDI sound expander.

Features:

The instrument's keyboard is controlled manually and by MIDI Note On/Off commands simultaneously.
The keyboard can be transposed in whole range of MIDI notes 0~127.
Four modes of key priority can be chosen: Last / Higher / Lower / None.
The instrument's tone generators can be detuned (in semitone steps) by MIDI Pitch Bend command. The bend range is from 0 to ±24 semitones.
Any receiving MIDI channel or OMNI mode can be selected via SysEx message.
Arpeggiator can be synchronized with internal instrument's tempo generator or with external MIDI clock.
All original features of the instrument are not changed and it can be used the same way as before the interface installation.
Installation of interface into the instrument is very easy.
The product is covered by thirty months warranty - more info
Parameters adjustable by user:

MIDI Channel (1 to 16 / OMNI)
Key Shift (+0 to +67 semitones)
Key Priority (Last / Higher / Lower / None)
Pitch Bend (Wheel) Range (from +-0 to +-24 semitones)
Arpg Clock Rate (internal or 1~128 MIDI ticks)
MIDI implementation - receive only:

Note On / Off (0~127)
CC 16 - Key Shift parameter setting (0~127)
CC 17 - Key Priority parameter setting (0~127)
CC 18 - Pitch Wheel Range parameter setting (0~127)
CC 19 - Arpg Clock Rate parameter setting (0~127)
CC 64 - Hold
CC 120 - ASO
CC 121 - RAC
CC 123 - ANO
Pitch Wheel (0~16383)
System Clock
System Exclusive - setting of all parameters and selection of MIDI channel (1~16 / OMNI)"