AMP Screen - Controls (Attack, Decay etc) having no effect on sound

I have the ARMK2. All the other screens affect the sound but on the AMP screen, other than the effect send settings, the Amplitude shaping features (e.g. Attack and Decay) have no effect on the sound. Any ideas? J

A post was merged into an existing topic: Rytm MkII - Att Dec Sus Rel Knob