User`s manual

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A vertical red marker is used to read out the exact magnitude(s) (Mag) of any
frequency (Freq) in the spectrum display. To manage the marker, simply click
the mouse cursor on the desired point in the Spectrum Display area, or utilize
the controls in the Marker Block, described above.
Hide Controls Unchecking this box allows the Spectrum Display to utilize the full
Checkbox: window space; recheck the box if access to the controls is required.
Print Button: Generate a hardcopy printout of the spec- trum at any time by clicking this
button.
Close Button: Clicking on this button or the “X” button at the upper right corner of the
window turns off the Spectrum Analyzer display.