Using the Digitech Whammy DT is a breeze. First, connect it to your guitar and amplifier as you would with a normal pedal. To change the tuning, simply use the settings to shift up or down in 7 half - steps or an entire octave with one click. When you're not using the pedal, its true bypass circuitry will keep your guitar's original tone. As for maintenance, keep it in a dry place and avoid dropping it. If you notice any issues, check the connections first. Also, make sure to use the correct power supply to keep it working properly.