Roland M-300 Owner's Manual Addendum page 26

New functionality for User Settings
Make the M-300 Always Start with Guest Mode
You can make the unit always start with Guest Mode when the power is turned on.
1.
Call up the USER screen.
Press the [DISP] button in USER section to call up the USER screen.
fig.user-screen.eps
2.
Change the setting
Check the [Startup as GUEST] box. While this is checked, the unit always starts up with guest mode.
fig.guest-mode-check.eps
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