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1) Scale setting
Menu path: [Response] > [Scale]. The scale sub-menu will pop up.
Set the appropriate scale, reference location and reference level by clicking the corresponding input zone or keys.
Fig. 4.27 Setting of Scale
2) Scale setting dialog box
a) Scale zone
[Scale] box
Enter the set scale value.
[Automatic scale] button
Click the [Automatic scale] button. The analyzer will automatically select the vertical scale to better display the active trace in the
vertical grid of the screen. The stimulus value will not be affected, and only the scale value and reference value are changed.
i.
An appropriate scale factor will be selected so that data are displayed in 80% of the screen.
ii.
The center value of the trace on the screen will be selected as the reference value.
[All automatic scales] button
Click the [All automatic scales] button. The analyzer will select appropriate scales of all tracks in the window so that the tracks are
better displayed in vertical grids of the window.
b) Reference setting zone
[Reference position] button
The reference position refers to the position of the reference line in the rectangular coordinate figure. The position of the bottom
line in the figure is 0, the position of the top line is 10, and the default value of the reference position is 5.
[Reference value] button
The reference value refers to the value of the reference line in the rectangular coordinate format, and the value of the excircle in
the polar coordinate and Smith chart format. The setting range is -500dB to +500dB in the logarithmic amplitude format.
4.8.
Observation of Multiple Tracks and Opening of Multiple Channels
A convenient method is provided in the pre-configuration function of the analyzer for multi-trace, multi-channel and multi-window
measurement. The analyzer has four pre-configured Measurement setupss. If one kind of setting is selected, the current trace and
window will be closed, and a new trace and window will be created. The window arrangement of four presettings is as follows.
