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JD780A Series Analyzers
b.
c.
d.
–
To zoom into the center or zoom out from the center, complete the following steps:
a.
b.
c.
410
Press the Zoom In and Zoom Out soft keys, as you need, to decrease and increase
the selected area.
Move the rectangle by using the four arrow keys, as you need, to place it in a specific
area of interest.
Press the center of the rotary knob to zoom into the selected area. You can also press
the Zoom to soft key again to zoom into the selected area.
Toggle the Zoom to soft key and select Center.
Press the Zoom In and Zoom Out soft keys, as you need, to zoom in and zoom out.
Move the zoomed-in area by using the four arrow keys, as you need.
Using EV-DO Signal Analyzer
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