Fader reverse switches
Channel fader reverse switch.
In the 'NORMAL' position (indication LED is off) the channel fader will fade the channel signal from 0 to maximum by sliding the fader from bottom to top.
In the 'REVERSE' position (incication LED is on) the same will be achieved by sliding the fader in the opposite direction.

Cross fader reverse switch.
In the 'NORMAL' position (indication LED is off) sliding the fader from left to right will result in fading the signal of channel 1 from maximum to 0 and that from channel 2 from 0 to maximum.
In the 'REVERSE' position (indication LED is on) the same will be achieved by sliding from right to left.