A new firmware update has just been released for the DTX-MULTI12 to update the instrument's compatibility with new triggers along with some enhancements in versatility.
To download the Updater File and Firmware Guide, please click see the Yamaha Downloads page here. Some of the improvements the latest Firmware offers are as follows:
Added new pad types for the DT50S/DT50K.
Supports newer Yamaha pad types.
Expansion of Click-track output selection setting range.