Using the Fender Pinwheel Guitar Effects Pedal is simple. First, connect it to your guitar and amplifier using the stereo inputs and outputs. Make sure to use a 9 - Volt DC Negative AC Adaptor for power. You can choose between guitar and keyboard voicings depending on your instrument. To get the rotary speaker effect, select one of the three voices available, including the unique Vibratone. Adjust the speed between Slow and Fast to find the sound that suits your music. The onboard Overdrive can add some extra texture to your tone, so play around with it. The Sensitivity control is great - the harder you play, the more intense the effect gets. When it comes to maintenance, keep the pedal in a dry and clean place. Avoid exposing it to extreme temperatures or moisture. If it stops working properly, check the power connection and the adaptor. With proper use and care, this pedal will serve you well for a long time.