C1.2 User Manual
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4.1.2 User control knob
The user control knob is the main user input device. It is build around a dual concentric rotatory knob with push
function mounted on precision bearings. Both the central and the external part of the knob can be moved to
the left (counter-clockwise) or the right (clockwise) independently, giving four movements: External Rotate Left/
Right [<<E]/[E>>] and Central Rotate Left/Right [<<C]/[C>>]. The central part of the knob also supports a push
functionality. There are two types of push: Normal Push [NP] and Long Push [LP]. For a Normal Push, just press
the central part of the knob and release it immediately. For a Long Push, press and hold the central part of the
knob for two seconds or more.
1. External ring rotate Left [<<E]
2. Central knob rotate Left [<<C]
3. Central knob push. There are two types of push:
Normal Push [NP] and Long Push [LP]
4. External ring rotate Right [E>>]
5. Central knob rotate Right [C>>]
User control knob movements
1
2
3
4
5
