6.Speaker Simulator - This button is used to engage or disengage the Speaker Simulator. The LED will light when the Speaker Simulator is engaged.
7.Display - The Display serves four functions. In performance mode, the Display will indicate the Bank and Preset that is currently active. In edit mode, the Display will show the status or value of the effect or effect group being edited. In Tuner mode, the display will show the note played. In
8.Store Button and LED - After editing a Preset, your modifications must be stored in order for the GS30 to remember the changes that you made. When you change any aspect of a Preset, the Store LED will light indicating that you need to use the Store button to save the change.
9.Data Wheel - This knob is used to select the Preset in performance mode, and to increase or decrease the value of a Parameter in the edit mode. It is also used to change the tuning reference in Tuner mode.
0.Expression Pedal - This pedal can be assigned to control one of 9 different Parameters in real time for each Preset. As you rock the pedal back and forth, the value of the assigned Parameter will change giving you expressive control over the effects.
