Lenovo T54H User Manual
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The settings are saved 
after adjustment and when 
exiting the OSD and will be 
effective thereafter.
•
Press the Exit button to move backwards through the sub-menus and exit 
from the OSD.
Note: After making adjustments, the Power indicator LED will briefly
turn amber to indicate that the new value has been saved.
OSD Lock / Unlock
This feature allows you to secure the current control settings, while allowing 
the user to adjust Brightness and Contrast, so that they cannot be 
inadvertently changed. You can unlock the OSD controls at any time by using 
the same procedure. 
Push and hold the OSD Enter button for 10 seconds to Lock or to Unlock. 
When locked, a “LOCKED” message will be displayed. 
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