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62 Chapter 4
Viewing Catalogs and Saving Files
Saving a File
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.