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Chapter 3: Using the LCD Display
3.5 Locking the OSD Menu
Lock the OSD menu to protect the LCD display from unauthorised users or from accidentally
pressing the keypad or the remote control buttons.
To lock the OSD, press and hold the keypad buttons listed below for at least 5 seconds or until the
message appears.
When the OSD is locked, all keypad and remote control buttons are inactivated.
Type of OSD Lock Lock Operation Unlock Operation
Lock all buttons
Press and hold
and for 5
seconds.
Press and hold
and for 5
seconds or until the OSD menu
appears.
Lock all buttons except
the POWER button.
Press and hold
and for 5
seconds.
Press and hold
and for 5
seconds or until the OSD menu
appears.
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