Dell MR2217 User Manual page 49

Lock Controls user access to adjustments. When Lock is selected, no user
adjustments are allowed. All buttons are locked.
NOTE:
Unlock function– Only hard unlock (press and hold the button above
the power button for 6 seconds).
Lock function – Either soft lock (through the OSD menu) or hard lock
(press and hold the button above the power button for 6 seconds).
Reset Menu Reset all OSD settings to the factory preset values.
Personalize Users can choose a feature from Preset Modes, Brightness/Contrast,
Auto Adjust, Input Source, Aspect Ratio, or Rotation and set it as a
shortcut key.
Reset Restores shortcut keys to factory defaults.
Personalization
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Operating the Monitor |