User Interface; Menu Structure; Menu; Screen - ADTRAN 220 HTU-C Installation And Maintenance Practice

HDSL 220 Transceiver Unit for Central Office Installation and Maintenance Practice

USER INTERFACE

This section provides detailed information on the following:
•

Menu Structure

•

Menu Navigation

• Screen Abbreviations
Menu Structure
The 220 HTU-C uses a layered menu tree. Each layer of the menu tree is displayed as a menu
or a screen.

Menu

A menu is a display that provides numbered selections that are used to navigate to related
menus, modify provisioning information, or display information screens. A menu can contain
the following objects:
• Menu Option: A menu option is indicated by a number, which when selected navigates the
display 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. The
information displayed in a read-only field can be static or can be automatically updated by
the 220 HTU-C.
• Read-write Field: A read-write field displays information that when selected can be
modified.
• Hot Key: A hot key is a key or combination of keys that are assigned to a function. Hot keys
are indicated by the required key(s) and a brief description (i.e., D - Restore factory
Defaults).

Screen

A screen is a display that usually indicates the end of a menu tree path. A screen can contain
the following objects:
• Read-only Field: A read-only field displays information that cannot be changed. The
information displayed in a read-only field can be static or can be automatically updated by
the 220 HTU-C.
• Read-write Field: A read-write field displays information that when selected can be
modified.
• Hot Key: A hot key is a key or combination of keys that are assigned to a function. Hot keys
are indicated by the required key(s) and a brief description (i.e., D - Restore factory
Defaults).
Menu Navigation
Basic menu navigation is accomplished by selecting the desired option number and then
pressing . To return to the previous menu, press the escape (
E
NTER
System Help screen, press the question mark (
14
E
) key.
?
) key. To access the
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