Use the following procedure to view the current version in the TD-20:
Note: This procedure does not work for TD-20 modules that have been expanded with the TDW-20.
- Power on while holding the EFFECTS SWITCH, AMBIENCE, and MASTER COMP/EQ buttons.
- When the display shows the DRUM KIT menu, release the buttons and press TOOLS, followed by F4. The "Flash" version shown is the current version of your TD-20.