Dell E1916HV User Manual page 37

Lock Controls user access to adjustments. When Lock is selected, no
user adjustments are allowed. All keys are locked except
NOTE: When the OSD is locked, pressing the menu key takes
you directly to the OSD settings menu, with 'OSD Lock' pre-
selected on entry. Press and hold
and allow user access to all applicable settings.
Reset Menu Select this option to restore default menu settings.
Personalize
Selecting this option allows you to set two shortcut keys.
key for 6 seconds to unlock
Operating the Monitor
key.
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