MX3216 System Manual6-4 61189008L1-1BMENU STRUCTUREThe MX3216 Controller Card provides a menu system for the entire MX3216 system. Allsystem-related menus are controlled by the Controller Card. This subsection explains themethods used to navigate the MX3216 system menus.NOTETo view the MX3216 system menu trees, refer to “Menu Trees” onpage 6-5.The menu structure for the MX3216 system is a layered menu tree. Each layer of the menutree is displayed as a menu or a screen.MenuA menu is a display that provides numbered selections that are used to navigate to relatedmenus, modify provisioning information, or display information screens. A menu can containthe following objects:• Menu Option: A menu option is indicated by a number, which when selected navigates thedisplay to another menu layer or is used to change the option setting.• Read-only Field: A read-only field displays information that cannot be changed. Theinformation displayed in a read-only field can be static or can be automatically updated bythe MX3216.• Read-write Field: A read-write field displays information that when selected can bemodified.• Keyboard Commands: A hot key is a key or combination of keys that are assigned to afunction (see Table 6-1). Hot keys are indicated by the required key(s) and a briefdescription (i.e., C TRL +A - acknowledge all alarms).ScreenA screen is a display that usually indicates the end of a menu tree path. A screen can containthe following objects:• Read-only Field: A read-only field displays information that cannot be changed. Theinformation displayed in a read-only field can be static or can be automatically updated bythe MX3216.• Read-write Field: A read-write field displays information that when selected can bemodified.• Keyboard Commands: A hot key is a key or combination of keys that are assigned to afunction (see Table 6-1). Hot keys are indicated by the required key(s) and a briefdescription (i.e., C TRL +A - acknowledge all alarms).