TD-12: Viewing the Rom Version (Detailed)
Use the following procedure to view the current rom version in the TD-12:
1. Power on while holding the MIXER, AMBIENCE, and KIT buttons.
2. Once the display shows the DRUM KIT menu, release the buttons, and then press SETUP, then F3, followed by F5.
The version number will show next to the word "FLASH" in the display.