A: Follow these Steps:
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1) Turn off the power switch on the Sceptre S6/S8 speaker.
2) Wait 5 seconds and turn the power ON; holding the appropriate user buttons on the back of the speaker:
Sceptre S6 = Turn the Power ON while pressing the "Acoustic Space" and "HF Driver" user buttons.
Sceptre S8 = Turn the Power ON while pressing the "HF Driver" and "HP Filter" user buttons.
3) Wait for the Speaker to fully power up, while continuing to hold the appropriate buttons.
The lights will power on and the settings will be changed.
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Once you have completed this process on both speakers, re-test them to make sure that everything is functioning properly.