Trilithic 120 DSP, Operation Manuals

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Page IV-70
120 DSP Operation Manual
Basic Signal Level Meter
120
Marker Adjustment
The Return Spectrum measurement includes two
on-screen markers that are used for measurement
of specific frequencies within the return spectrum.
The markers are represented by the following color
bullets and vertical lines:
• Marker 1
- Purple
• Marker 2 - Light Blue
Highlight the desired marker and use either of the
following methods to change the marker location:
• Use the up/down arrow buttons to change
the marker in 0.200 MHz increments.
• Press the Enter button and use the Virtual
Keyboard to directly enter the frequency as
shown in the image below.
The following information is displayed for the
markers:
• Level - Displays the signal level at the
specified frequency for each marker.
• Frequency Delta - Displays the frequency
delta between the two markers.
• Frequency Peak - Displays the frequency of the peak signal level in the return
spectrum.
• Level Peak - Displays the peak signal level in the return spectrum.
• Level Delta - Displays the signal level difference between the minimum and
maximum level values in the return spectrum.