B E R G D I S C O
- F / B
- foreground / background on/off
- F / B + 1–9
- that channel's colour mode (+0 reset)
- C + 1–9
- both channels' colour mode (+0 reset)
- L + 1–9
- light: tempo + brightness (+0 reset)
- G
- glow halo on/off
- A
- all off / on (randomised)
- R
- random — reshuffle the colours
- Q
- quiet — static white on black
- ?
- this help · Esc to close
Touch: left = bg · right = fg · centre = all · double-tap = random