• Organ Mode; O 2X Midifile Mode; Changing Operating Mode - KETRON SD4 Manuel D'instruction

to connect a MIDI Accordion. The three voices receive the data on three separate MIDI
channels: v1Ch, v2Ch, v3Ch (the default settings are: 1, 2 and 3).
In this mode, the 3 voices can be controlled individually via the 3 sections of the MIDI
accordion (left – right – bass).
• organ mode
In this mode, the MIDI IN 1 port is used to connect a MIDI control pedal while the MIDI IN
2 port is used to connect one or two manual keyboards. The receiving channels of the 3
voices are 3 separate channels: V1Ch, V2Ch, V3Ch (their default setting is 1, 2 and 3).
In this mode, the 3 voices can be controlled individually via the two manual keyboards and
the control pedal (left – right – bass).
• 2x midifile mode
In this mode, both ports are used to play Midifiles and it's as if you have 32 Midi channels.

ChangIng operatIng mode

Proceed as follows to change the current operating mode:
• Press the mode key. The corresponding LED starts to blink and the display shows some
initials that identify the operating mode currently selected. The feasible operating modes
and relative initials are the following:
o "MAS": Master keyboard (default)
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