keys
KeyBank
press a key or use the arrow keys. only one stays selected, with the orange dot.
buttons
PushButton · cream, olive, signal and momentary
each push presses the button in or releases it, and the led follows. pressed, it loses its long shadow. seek is momentary: it comes back on release and has no led.
knobs
Knob · selector and knurled
selector: click or arrow keys, three positions. knurled: drag in a circle, use the wheel or the arrow keys.
channel
ChannelSwitch
press a number or its line, or use the arrow keys. the arrow turns to that position and the light does not turn with it.
levers
Lever · flat and cylinder
click or space to go from 0 to 1. down is on.
rockers
Rocker
click or space to turn on. the led lights with it.
loose parts
led, pointer, scale and label
the parts the controls are built from, with their class, in case you need them on their own.