Using the Zoom MS-70CDR+ is a breeze. First, connect your guitar or bass to the input jacks. You can choose to power it with the AC adapter or 2 AA batteries. Once powered on, use the user-friendly LCD screen to navigate through the over 80 built - in effects. Combine different effects to create your own patches and save them as presets. When you're performing live, you can quickly switch between presets to change your sound. For MIDI synchronization, connect the pedal to other MIDI - enabled devices. As for maintenance, keep the pedal clean by wiping it with a soft, dry cloth. Avoid exposing it to extreme temperatures and moisture. If you're using batteries, replace them when the power starts to run low. And when using the USB port, make sure to use a cable that supports data transfer.