There could be a on/off button included in the UI on the touchscreen for each band.
On the surface you could hold each button (HF,HM,LM,LF) down for 3 seconds to turn on and off?
Maybe all the EQ knob LEDs would shut off showing you?
There could be a on/off button included in the UI on the touchscreen for each band.
On the surface you could hold each button (HF,HM,LM,LF) down for 3 seconds to turn on and off?
Maybe all the EQ knob LEDs would shut off showing you?