Agilent Technologies 3000 Series User's And Service Manual page 27

Getting Started 1
The Menu On/Off button turns off the menu or turns on the last accessed
menu again. The Menu Display item in the Display menu lets you select the
amount of time menus are displayed (see "To change the menu display
time" on page 59).
Agilent 3000 Series Oscilloscopes User's Guide 27