How do I cancel the demonstration mode when setting up the KD-SR86BT for the first time?
When you turn on the power for the first time, the display shows 'CANCEL DEMO' followed by 'PRESS' and 'Volume Knob.' Press the volume knob once — [YES] is selected — then press it again and 'DEMO OFF' appears. (Page 5)
From the official Jvc KD Sr86bt manual, page 5
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