Understanding Constellation Results; Measurement Information Area; Figure 157 Measurement Mode - Basic Tab: Constellation; Figure 158 Measure Mode - Constellation - JDS Uniphase DSAM-3500 User Manual

21128026 R001 DSAM Help User Guide.book Page 175 Thursday, February 5, 2009 2:02 PM
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Understanding
Constellation
Results
Measurement
Information Area
DSAM Help User Guide
Figure 157 Measurement Mode – Basic Tab: Constellation
3 Using the arrow keys, select Constellation.
4 Press ENTER.
NOTE
To save the results to a file, refer to
Only digital and DOCSIS channels defined in the downstream (for-
ward path) channel plan are available for Constellation testing.
Figure 158 Measure Mode – Constellation
The QAM type (64 QAM, 128 QAM, or 256 QAM) and channel number
appear at the top of the screen in the right corner. Directly below the
channel number is the channel frequency and channel level informa-
tion.
Rev. 001
Chapter 8 Measure Mode – Basic Tab
Constellation
"Saving Results" on page
Measurement
Information Area
Digital Performance
Interleaver Depth
198.
175