JDS Uniphase Wavetek DSAM Series Quick Start Manual page 46

Chapter 2 DSAM Operation
Using Measure Mode
30
Figure 15 Measure Mode Spectrum Menu
Use measure spectrum menu to select:
– upstream spectrum - views and analyzes noise on the
upstream path (return path),
– downstream spectrum - (optional purchase required)
view the entire CATV downstream spectrum
frequency range (40 MHz to 1 GHz) in 50 Mhz
(default) frequency spans with a dynamic range of 60
dB, and
– field view - (optional purchase required) analyzes and
displays ingress and distortion on the upstream path
(return path) as viewed by PathTrak or Phasor system
at the node and the headend. It identifies the
frequency at which ingress occurs and displays the
level value.
Use the Help system on your DSAM to learn more about
each measurement mode. Press SHIFT+? to find out what
each option does, how it works, how to configure it, how to
interpret the results, and more.
DSAM Product Family Quick-Start Guide Rev. G