Chapter 10 Measure Mode – Spectrum Tab
Downstream Spectrum
254 DSAM Help User Guide Rev. 001
7 Press ENTER.
8 Using the arrow keys and alphanumeric keypad, enter a telem-
etry frequency (between 4 MHz and 1000 MHz).
9 Press ENTER.
10 To move the marker, use the left and right arrow keys.
With each non-continuous key press, the marker increments or
decrements to the next or previous frequency point in the span.
11 To adjust the graph for best viewing of the signal level measure-
ments, use the up and down arrow keys.
Figure 231 Spectrum – Center Frequency
Figure 232 Spectrum – Downstream Spectrum
NOTE
When in “zoomed out,” the arrow keys move in increments of.25
MHz per key press. When in “zoomed in,” the arrow keys move in
increments of.05 MHz per key press.
21128026 R001 DSAM Help User Guide.book Page 254 Thursday, February 5, 2009 2:02 PM
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