Roland LX-10 - Manual (Page 91)

91
Various Settings
If you activate the Panel Lock function, all buttons will be locked
and non-functional. You can use this to prevent a child from
accidentally changing the settings by inadvertently pressing
buttons.
1. Press the [V-LINK] button and [File] button
simultaneously.
Panel Lock will be activated.
A key symbol will appear in the upper right of the screen,
and all buttons will be disabled.
Canceling the Panel Lock Function
Once again, press the [ V-LINK ] button and [File]
button simultaneously.
Panel Lock will be cancelled when you turn off the
power.
Disabling the Buttons (Panel Lock)
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