60 Chapter 4
Viewing Catalogs and Saving Files
Saving a File
NOTE You should notice that the trace you saved, in this example trace 3, is loaded to trace 2. If
you wish to verify this condition, remove the signal input. For Agilent E4401B and
E4411B, press
Input/Output, Amptd Ref (Off), for all other models, press Input/Output,
Amptd Ref Out (Off).
Note that when a trace is loaded, it is placed in view mode. To see that trace 2 is in view
mode, blank traces 1 and 3 by pressing
View/Trace, Trace 1, Blank, Trace 3, Blank.
Then press Trace 2. Notice that trace 2 is the only trace displayed in view mode (the view
key is selected, and the trace is not sweeping). Your display should look similar to Figure
4-7.
Figure 4-7. Verifying Trace 1
CAUTION When operating in dc coupled mode, ensure protection of the input mixer by limiting the
input level to 0 Vdc and +30 dBm.
NOTE When loading Limits files, be sure you have selected the appropriate X Axis Units:
frequency or time (
Display, Limits, Properties, X Axis Units). If you are in time X-Axis
Units, and you load frequency limits, all current limit line data will be erased and the
analyzer will switch to the frequency domain. The reverse of the this situation also holds
true.
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