E4990A Help
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Preset x
Preset
Number of Channels/Traces
The number of channels and the number of traces are 4. The maximum
number of points is 1601.
Setting Channel Display (Layout of Channels)
The measurement result for each channel is displayed in its dedicated
window (channel window). You cannot have a single window to display the
measurement results from more than one channel. This means that the
setting of the window layout determines the number of channels displayed
on screen.
The execution of measurement for each channel does not
depend on how the channel is displayed (channels that are not
displayed can be measured). For information on executing
measurement for each channel (trigger mode and trigger source).
The procedure for setting the window layout is as follows:
1. Press Display > Allocate Channels.
2. Press the desired softkey to select the window layout.
Changing Active Channel
The active channel is the one whose settings can currently be changed.
The window frame of the active channel is displayed brighter than the
window frames of the other channels. To change the settings specific to a
certain channel, you must first activate the channel.
To change the active channel, use the following hardkeys:
Hardkey Function
Channel
Next
Change the active channel to the next channel with the
larger channel number.
Channel
Prev
Change the active channel to the previous channel with
the smaller channel number.
Setting Trace Display
Setting the number of traces
Depending on the measurement parameters of the traces displayed for
each channel, the sweep necessary for each channel is executed.
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