ADTRAN 1202011L1, User Manual

Page: 35 / 162

Chapter 3. Operation
61202011L1-1 DSU III AR User Manual 3-5
FRONT PANEL
The DSU III AR faceplate is shown in Figure 3-3. Descriptions of
each part of the front panel follow the figure.
Figure 3-3. DSU III AR Front View
LCD Window
Displays menu items and messages in 2 lines by 16 characters.
Enter
Selects active menu items. To activate a menu item, press the
number of the item. The menu item flashes, indicating it is the
active selection. Press
Enter
to select the menu item.
Numeric Keypad
The numeric keypad contains the numbers 0 through 9 and alpha
characters A through F, which are used to activate menu items and
enter parameters.
Up and Down Arrows
Use the up and down arrows to scroll through the submenu items
in the current menu. Submenu items appear two at a time in a
circular or wrapping fashion. The submenu items are displayed in
either a forward or reverse pattern.
Cancel
The
Cancel
key stops the current activity and returns to the
previous menu. Repeat until the desired menu level is reached.
DSU III AR
ENTER
CANCEL
1
A
SHIFT
2
B
3
C
4 5
E D
6
F
7 8 9
* 0 #
RS CS TD RD CD ALM TST
QUICK