Use the following procedure to check the ROM version on the JV-30:
1) Press LEVEL and PAN simultaneously.
2) Hold VARIATION and press VIBRATO.
3) Hold PERFORMANCE and press BANK 16. The current ROM version will be
displayed.
4) Turn the power off when you are finished.
1) Press LEVEL and PAN simultaneously.
2) Hold VARIATION and press VIBRATO.
3) Hold PERFORMANCE and press BANK 16. The current ROM version will be
displayed.
4) Turn the power off when you are finished.