press "Alt" on the keyboard when opening the red triangle menu.
In JMP there are many hidden secrets like this one.
Have a look at CTRL/Alt/Shift + click/select/double click/right click
If you scan the list once in a quarter - e.g. for 5 minutes - it will save you days, hours and maybe weeks of work time : )
Remove and show the legend?
If you do it more often than 1x per day, check the Graph Builder Toolbar and use the second icon: