Agilent Technologies aurora Duet User Manual page 36

Duet
aurora Basic & Primary Rate ISDN Tester - User Guide
Use the arrows pointing LEFT and RIGHT either to
switch between the available options for a setting or to
move the cursor towards the beginning or end of a line
where you can enter data. Use the arrow pointing LEFT
to erase one character to the left of the cursor in text
entry menus. You can also use the cursor keys to move
around the Graphical User Interfaces (GUIs).
Contrast—Press and hold this key to allow the contrast
of the LCD to sweep through its available range. The
direction of change switches between increase and
decrease each time you press the key. When the contrast
is the way you want it, release the key.
Backlight ON/OFF—Press this key to illuminate the LCD
backlight. To switch off, press the key again. The
backlight switches off automatically after about 10
seconds without keypad activity when running from the
battery. It remains on constantly when operating from
the external power source.
SELECT—Press this key to choose a highlighted menu
item or to start an operation, as indicated in this Guide.
Number Keys (0 to 9)—Use these keys to input telephone
numbers and data.
*—This key is provided for compatibility with standard
telephone handsets.
# —This key is provided for compatibility with standard
telephone handsets.
Press the # key when in the MAIN menu to display the
LAYER 1 STATUS screen. This displays the status of T1
alarms, errors and ESF Performance Report Messages
(PRM).
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