Nikon NP4100 - Manual (Page 104)

5. Using On-Screen Display
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Select from the following options:
Color
Monochrome
Display Time
Sets the amount of time a menu is displayed.
Select from the following:
Manual – Menus stay on screen until the Menu button is pressed again.
Auto 5 sec – Menu is displayed for 5 seconds.
Auto 15 sec – Menu is displayed for 15 seconds.
Auto 45 sec – Menu is displayed for 45 seconds.