ADTRAN DSU IV ESP, User Manual

Page: 40 / 194

Chapter 3. Operation
3-6 DSU IV ESP User Manual 61204011L1-1
Shift
Enter alpha characters by pressing and releasing
Shift
before
pressing the key representing the desired character. To activate a
menu item designated by an alpha character rather than a number
press
Shift
and then the letter. The menu item flashes, indicating
which parameter is activated. Press
Enter
to select the item.
Quick
During most operations, the
Quick
key returns the display to the
Main menu. During a test, the
Quick
key returns to the top of the
T
EST
menu. In SW56 operations, if the unit is not in test, the
Quick
key returns to the D
IAL
menu.
Cancel
Pressing the
Cancel
key stops the current activity and returns to the
previous menu. Repeat until the desired menu level is reached.
Up and Down Arrows
Up and down arrows scroll through the submenu items available in
the current menu.
LED Descriptions
The DSU IV ESP has seven LED indicators: RS, CS, TD, RD, CD,
ALM, and TST. These LEDs are described in Table 3-1 on page 3-7.
If a key is pressed without using
Shift
, the numbered item becomes active
instead of the alpha item.