Sony VPL-HW40ES Operating Instructions Manual page 31

To reset the items that have
been adjusted
Select an item in the Menu screen, and
display the pop-up menu, the setting menu,
and the adjustment menu.
Press RESET on the remote control to reset
only the selected settings to its factory preset
value.
Note
The RESET button on the remote control is
available only when the adjustment menu or
the setting menu is selected.
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