The Main Menu displays OSD MAIN MENU LOCKED . Pressing the front control panels has no effect. How can I unlock this function?

Press and hold the OSD menu key for about 15 seconds until picture displays “OSD MAIN MENU UNLOCKED”.

The information on this page applies to the following models: 109B75/97, 107S71/97, 107E76/05. Click here to show more product numbers ›

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