Zooming - Commtest Instruments vbBalancer Instrument Reference Manual

Displaying harmonics
Press
•
or
peaks.
Additional cursors will display at frequency or time values
that are whole-number multiples of the frequency or time
value indicated by the main cursor.
Turning harmonics off
Press
•
harmonics and sidebands.

Zooming

Zooming allows you to take a closer look at a specific area of interest
on a chart.
Chart zoom and expansion options
Magnifying glass icons on the left of the screen indicate that
•
zooming options are available. (If the magnifying glass icons
are not visible press
display hint labels for zooming and expansion options.
Zooming horizontally (across the chart)
To expand the peaks of a spectrum or waveform use the
•
right-hand arrow keys to move the cursor to the position of
interest and press
on the cursor position by a factor of two per key press. The
more spectral lines or waveform sample points used, the
more times you can zoom.
Zooming vertically and horizontally
To see low amplitude peaks more clearly move the cursor to
•
the position of interest and press
in by a factor of two per key press.
Press
•
side of the cursor.
then press
repeatedly to move the cursor over different
then press
X Axis Zoom repeatedly to zoom in
X Axis Zoom to expand the frequencies on either
Section 6: Analyzing Measurements Onsite
Harmonics Sidebands. Press
Clear Cursors to remove all
toggle them on.) Press
Y Axis Zoom to zoom
to
65