HP ESA-L1500A User's And Calibration Manual page 91

Front-Panel Key Reference
Measure
Amplitude
allows you to enter an amplitude value into a limit line
table. Key Access:
Type
accesses the following
type of limit line:
Slope
coordinate point of the current segment and the
coordinate point of the next segment, producing limit
line values for all frequencies between the two points.
Key Access:
The flat key draws a zero-slope line between the
Flat
coordinate point of the current segment and the
coordinate point of the next segment, producing limit
line values equal in amplitude for all frequencies
between the two points. If the amplitude values of the
two segments differ, the limit line "steps" to the
frequency value of the second segment. Key Access:
Measure, Limits
Point
coordinate point. It specifies a limit at a single
frequency or time, and for no other frequency/time
points. For an upper limit line, a point segment is
indicated by a line drawn from the coordinate point,
vertically off the top of the screen. For a lower limit
line, a point segment is indicated by a line drawn from
the coordinate point vertically off the bottom of the
screen. The line will continue to the right edge of the
display, but testing stops at the defined point.
The point segment type should be used as the last
segment in the limit line table. However, if the last
segment in the table is not specified, an implicit point is
automatically used. If a point segment at the right edge
of the display is not desired, add a last-point segment to
the limit line table that is higher in frequency than the
displayed stop frequency. Key Access:
Edit Limits
Del Segment
deletes the limit line entry for the selected segment
number. Front-Panel Key Access:
Edit Limits
allows you to purge data from the limit line tables. Key
Delete Limits
Access:
90
Measure
Type
The slope key draws a straight line between the
Measure, Limits
,
Edit Limits
The point key specifies a limit value for the
, ,
Edit Line Type
,
Edit Line
,
Measure Limits
, , ,
Limits Edit Limits Edit Line
menu keys used to select a
, ,
Edit Limits Edit Line
, ,
Edit Line Type
Measure, Limits
,
Measure Limits
Chapter 4
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Type
,
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