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Using Spectrum Analyzer Features
Using limit-line Functions
NOTE
The coordinates for the second point must be entered before the first and limit-line segment is
displayed.
9. Enter the second limit-line segment by pressing the following keys:
250 (MHz) 11 [-dBmVj SLOPE
NOTE
Table entries can be edited if you make a mistake. To edit an existing segment,
use
SELECT SEGMENT
to specify the segment. Use
SELECT FREQ ,
SELECT
AMPLITUD
, or SELECT TYPE to specify the column you wish to edit.
10. Specify the third limit-line segment by pressing the following keys:
400
INIHz)
14
C+dBmV)
FLAT
You may notice that the end coordinate of segment three is drawn to a
point off the top of the cable TV analyzer display. This assures that no
trace data beyond the end of the limit line will cause the test to fail.
11. Specify the fourth limit-line segment by pressing the following keys:
600
INIHz)
14
[+dBmV)
POINT
Since the limit line in this procedure has only four segments specified,
the frequency value of segment four (the last segment) is set to 600 MHz,
which is greater than the stop frequency of the display.
3-37