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Chapter 10
Measure Mode – Spectrum Tab
Downstream Spectrum
DSAM Help User Guide
Rev. 001
257
Setting the Dwell
Time
Increasing the Dwell Time increases the chance of capturing more
transient noise.
To set the Dwell Time
1
Press the
Settings
softkey.
2
Using the arrow keys, select
Dwell Time
.
3
Press
ENTER
.
4
Using the arrow keys and the alphanumeric keypad, enter the
dwell time in milliseconds (ms)
.
5
Press the
OK
softkey.
Viewing
Downstream
Spectrum Results
To view Downstream Spectrum results
1
Press the
View
softkey.
2
Using the arrow keys, select one of the following options:
–
Auto Reference (Shift, 9)
– Enables you to automatically view
measurement results in the best reference setting on the
graph.
Figure 235
Downstream Spectrum – Dwell Time
NOTE
For best reference setting results you may need to press the Auto
Reference button up to three times.
21128026 R001 DSAM Help User Guide.book Page 257 Thursday, February 5, 2009 2:02 PM