84 Chapter 2
Front-Panel Key Reference
Display
Display
Accesses menu keys that allow you to control what is displayed on the
analyzer, including titles, the display line, graticule and annotation, as
well as the testing of trace data against user entered limits.
Full Screen Allows the measurement window to expand horizontally over the entire
instrument display. Pressing a key that brings up a new menu will
cancel the full screen function.
Key Access:
Display
Display Line
On Off
Activates an adjustable horizontal line that is used as a visual reference
line. The line, which can be used for trace arithmetic, has amplitude
values that correspond to its vertical position when compared to the
reference level. The value of the display line appears in the active
function block and on the left side of the display. The display line can be
adjusted using the step keys, knob, or numeric keypad. Pressing any
digit, 0 through 9, on the numeric keypad brings up the selected
terminator menu. To deactivate the display line, press
Display Line (Off).
Key Access:
Display
Limits Accesses menu keys that allow you to create and define the parameters
of limit lines.
Key Access:
Display
Limit 1
Limit 2
Allows you to select either of the two available limits.
The
Limit 1 and Limit 2 keys access menu keys that allow
you to set parameters for the selected limit.
Key Access:
Display, Limits
Type
Upper Lower
Allows you to define the limit you are
editing as either an upper or lower
limit. An upper limit fails if the trace
exceeds the limit. A lower limit fails if
the trace falls below the limit.
Key Access:
Display, Limits, Limit 1 or
Limit 2
Limit On Off
Turns the limit line display on and off.
Either Limit or Margin, as well as Test,
must be turned on for a limit test to
work.
Key Access:
Display, Limits, Limit 1 or
Limit 2
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