NEC NP4001/NP4000 - Manual (Page 99)

5. Using On-Screen Display
87
ƒ Color
ƒ 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 secs – Menu is displayed for 5 seconds.
Auto 15 secs – Menu is displayed for 15 seconds.
Auto 45 secs – Menu is displayed for 45 seconds.