13.Tuner
No function.
14.Channel
Toggles down/up between inputs.
15. Volume Up/down
Increases or decreases the volume in the chosen direction.
16. Up / Down / Left / Right
In normal operation mode the Up/Down toggles between bypass and the available Focus and Global filters and the Left/Right toggles between neutral and the available voicings.
In menu mode they are used for navigation in the menu system. Pressing and holding down a key changes selected values fast.
17. Enter
Turns the
18. No Function.
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