Panasonic PT-AE700U

2.1 Procedure to enter EXT OPTION
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1. Press "MENU" button on the main unit or remote control unit to display "MENU" screen, then
select "OPTION" and press "ENTER" button.
2. Select "OSD" on "OPTION" menu and press "ENTER" button 3 seconds or longer.
MENU → OPTION → OSD
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