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R3267 Series Spectrum Analyzer Operation Manual (Vol.1)
2.2.11 Measurement Using the F/T Function
2-50
6.
Press SPAN, 8, 0 and MHz.
A frequency span of 80 MHz is set.
Figure 2-60 Trace of a Burst Signal
Separate screen mode
7.
Press WINDOW and F/T.
The display is now in the Separate screen mode. The frequency domain is dis-
played on the upper screen, and the time domain is displayed on the lower screen.
8.
Press B.
The lower screen is active.
9.
Press SWP, Sweep Time AUTO/MNL(MNL), 1, 0 and kHz(ms).
The sweep time for the lower screen is set to 10 msec.
10. Press Trigger Setup.
The Trigger Setup dialog box is displayed.
11. Set Source to VIDEO.
The trigger source is set to VIDEO. The cursor moves to Slope. The trigger level
mark "
→
" is displayed on the left-hand side of the scale.
12. Press Hz(ENTER).
The trigger slope is set to "+" and the cursor moves to Trigger Level.
13. Adjust the trigger level.
Adjust the trigger level to the middle of the burst signal turning the data knob. A
stably triggered display is obtained.
14. Press RETURN.
The Trigger Setup dialog box is removed.