Roland D10/20 Hidden Features

Warning: Do at your own risk. Any of these tests may wipe out the contents of the internal memory. Backup up everything before experimenting. This is not official Roland information.

Turn on power while holding down these buttons...

TUNE/FUNCTION + WRITE
Initialize D10/20 to its "out of the box" state
EXIT + EDIT
Puts the D10/20 into Diagnostic mode.
EXIT + EDIT
Memory Test
EXIT + TUNE/FUNCTION
Controller Test, shows bender value, etc.
EXIT + MIDI
Keyboard test, shows key and velocity
EXIT + COMPARE
D/A adjust and PCM test. Band buttons play PCM sounds for D/A setup.
EXIT + ENTER
Lamp Test, all the lights blink
EXIT + WRITE
Not sure what this does, seems to darken the display momentarily...
EXIT + DATAXFER
Not sure what this does, seems to light the entire display momentarily.
EXIT + PERFORMANCE/MULTI-TIMBRAL
(D20 only) Floppy Disk test

D10/20/110 Patches