Edirol UM-550 Owner's Manual page 51

Initializing the current patch
Here's how to initialize the current patch.
fig.4-16_50
1
Put the UM-550/880 in Setup mode.
Simultaneously press the [P.SAVE] button and [UTILITY] button. The indicators of both buttons
will light.
2
Press the INPUT [4] button.
Press the INPUT [6] button.
The button's indicator will light.
3
Initialize the current patch.
Press the OUTPUT [1] button.
Press the INPUT [6] button once again.
4
Once the initialization is finished, press the [MIDI INDI] or [PATCH] button.
4 2
3
1
4
1
The functions of the UM-550/880
2, 3
51