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G
S
ETTING
TARTED
Math Descriptor Label
When a Math trace is ON, there is a descriptor label on the
display for it, much like for the channels, zooms, and
memories (reference waveforms).
The top line contains information about how the Math trace is defined (in this
case, it's an FFT of Channel 1).
nd
The 2
line contains vertical scaling information.
rd
The 3
line contains horizontal scaling information.
If the descriptor label is a solid color (as follows), then the
Math trace is ACTIVE, which means that the Horizontal and
Vertical front panel controls are set to adjust the Math trace,
and not any of the channels. In this case, the scale and
position of the Math trace can be changed by adjusting the
horizontal and vertical controls on the front panel.
If the Math trace is not ACTIVE, and you wish to make it ACTIVE, simply touch the
descriptor label once and it becomes active and the Math dialog opens.
Zooming Math
Math traces have zoom capability built in, so it is easy to change the scale and
position of the Math trace, as required. Zoom the channel as follows:
89
M
ANUAL
1. Touch the descriptor label to make it
active.
2. Then, use the front panel horizontal
and vertical controls to adjust position
and scale. The operation of the knobs
feels natural. Use the following table
as a guide.
Note: When Math trace is active, no channel
buttons are lit. This indicates that the Math
trace may be currently active.
WSMXs-B-GSM-E Rev A
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