JP-8000: Checking the ROM version April 14, 2023 07:52 Updated Follow Use the following procedure to display the ROM version: 1) Turn on the power while holding down LFO 1 WAVEFORM, #1, and #3. Related articles JP-8000: Description JP-8000: Initializing the JP-8000 - Restoring the Factory Settings JP-8000: Recording a Pattern JP-8080: MIDI Parameters JP-8000: Technical Specifications