The CZ-1 has an internal setting to enable or disable sysex communication. This needs to be enabled for Patch Base to work:
- Press the MIDI key (the light should be on to indicate MIDI is enabled)
- Press Page Up to get to the Sytem Exclusive page
- Change the setting to "ENA"
For more resources related to this synth, read our Casio CZ-1 Resources page.