Yamaha DTX-PRO Reference Manual page 107

Practicing with the Training Feature
4. SONG SCORE GATE
Song Score Gate is a final exercise for playing through all parts or sections of an entire training song. We recommend that you first master
Song Part Gate (page 106) before working on Song Score Gate.
The score (PDF) is available at the Yamaha website:
https://download.yamaha.com/
After accessing the Support website (and clicking on "Manual Library"), enter the appropriate model name.
What you can do during training:
Training song
 To change the training song
Use the [–] [+] controllers to select a training song.
Here, you can only use training songs 1 to 10.
The score is shown when you reach the end of the training song.
DTX-PRO DTX-PROX Reference Manual 107