Menu

Deskbar:		Preferences
Location:		/boot/beos/preferences/Menu
Settings:		~/config/settings/system/app_server/appearance

You can change the font face and size used in menus, as well as the color of the menu/menubar.

Always Show Triggers will always underline the letter for the keyboard shortcut of a menu item. If you don't activate this option, the underlining will only appear when...????

With the last items in this preference panel you set the system wide shortcut key. Either the Haiku default ALT or the CTRL key used on some other platforms.
While it's useful to have always the same modifier key for shortcuts across different operating systems, don't dismiss Haiku's default too quickly. After you get used to it, it actually feels better as e.g. ALT C and ALT V is reached more conveniently on the keyboard and these commands seamlessly integrate into the bash shell of the Terminal, where CTRL C quits the running process.

Defaults		resets everything to default values.
Revert		brings back the settings that were active when you started the Menu preferences.