SDCP Operation

3-3

3166-A2-GB20-10 November 1998
Use the Function (F1, F2, F3) keys to make selections from the choices
presented on the second line of the LCD. When this line presents choices, it is
generally divided into three sections, each displayed directly above one of the
Function keys. When your choice appears above one of the Function keys, press
that key to select that choice.
F1 F2 F3
The scroll keys ( and ) serve one of two functions, depending on whether a
menu screen or a data entry screen appears on the front panel.
For data entry screens, the key scrolls one character to the left while
the key scrolls one character to the right.
For menu screens, the key scrolls to the previous menu choice while
the key scrolls to the next menu choice.
F1 F2 F3
If a choice is available to the left of the screen, the character ← appears on the
top line. If a choice is available to the right of the screen, the → character
appears on the top line. If choices are available to both the right and the left of
the screen, two arrows appear ( ). The arrows indicate that you must use the
scroll keys to bring the additional options onto the screen.
Test Jacks
Test jacks are located on the DSU/CSU front panel (Figure 3-2). These are
described in

Test Jacks

in Chapter 4,
Monitoring and Testing
.
In
Out
Net
Mon
98-15942
Figure 3-2. Test Jacks