Ceyear 3943B, Руководство по эксплуатации

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5. Menus
5.1 General Menu
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5.1.6 Self-test menu
The self-test menu is used to complete the self-test of the instrument. Click on the self-test menu to
complete the instrument self-test, and the test results are shown in Figure 5.23.
Figure 5.23 Self-test results of the machine
5.1.7 Frequency scale menu
Frequency scale can be enabled through the frequency scale menu.If the current activation window
does not support the frequency marker function, the menu is grayed out. Click on the frequency scale
menu, the bottom of the screen displays the secondary menu related to the frequency scale, as shown in
Figure 5.24.
Figure 5.24 Frequency scale menu
Frequency scale menu is described as follows:
[Frequency Scale]
Activate the IF panorama window (take the IF panorama window as an example, other windows are the
same), click on the frequency scale, two horizontal frequency scale X1 and X2 will be displayed on the
window, as shown in Figure 5.25, both X1 and X2 frequency scale can be moved, the frequency point
and magnitude of X1, the difference between X2 and X1 frequencies and the difference of magnitude are
displayed in the top column of the panorama spectrum, and as X1 and X2 frequency scales are moved,
these values will change.
Fig. 5.25 Frequency scale diagram of IF panoramic window