A little modular synth porn flic demonstrating the polyphonic “switch on time” feature of the Moon Modular M563:
People asking: “What is SWITCH ON TIME”? at the M563 trigger sequencer.
With SOT you can define and optimize the width of your trigger/gate output signal.There are more creative possibilities: e.g. the SOT function manipulates the envelope generator times, [...]

The Moon Modular 563 is a Moog modular format trigger sequencer. Four rows of toggles control eight steps of four trigger voices.
Per YuSynth:
This Moon Modular 563 module is apparently the commercial version of a module that was custom-made for Gert Jalass. For Xmas 2006, Gert Jalass sent me a Xmas card showing his sequencer unit [...]