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Chapter 4: Operation
20 ISU 512 User Manual 61202.086L1-1
MENU STRUCTURE
The ISU 512 uses a multilevel menu approach to access its many features. All
menu operations are displayed in the LCD window or are available from the
VT 100 terminal interface.
The opening menu is the access point to all other operations. There are four
Main menu branches: Status, Test, Configuration, and Dial.
Each Main menu item has several functions and submenus to identify and ac-
cess specific parameters.
Main Menu
There are four branches of the main menu as shown in Figure 4-2.
Figure 4-2
LCD Display of the Main Menu
Status Menu
Selecting 1=STATUS from the top of the menu tree displays the contents of
the status buffer. The Up and Down arrows allow the viewing of the last
twenty status messages generated during operation of the unit. (An explana-
tion of Status Buffer Messages can be found in the appendix, Status Buffer Mes-
sages.) Pressing 0 clears the buffer. Pressing Cancel returns to the top of the
menu.
Test Menu
Test controls local and remote testing.