Mitsubishi WS-A48 Owner's Manual page 75

Appendix G: Troubleshooting
Problem Possible Solution
• Cannot set adjustments to factory settings
•Follow the steps below to reset system defaults to factory
settings.
1. Press the MENU button followed by number buttons 1, 2,
and 3 on the remote control.
Result: The above steps activate the Reset System
Defaults menu screen.
2. Press the ENTER button on the remote control.
Result: The settings reset to factory defaults.
3. Press the HOME or MENU button on the remote control to
return to the HOME or MENU screen.
IMPORTANT: This function is not recommended unless it is
mandatory to reset system defaults to factory settings. This
operation CANNOT be undone and all custom settings will be
erased.