R3131 Spectrum Analyzer Operation Manual
2.3 Measurement Examples
2-72
Apr 10/98
This changes the analyzer settings so that the input signal is displayed more clearly.
6.
Press FREQ, 9, 1, ., 2, 5 and MHz.
A center frequency of 91.25 MHz is set.
7.
Press SPAN, 2, 0 and MHz.
A frequency span of 20 MHz is set.
8.
Press LEVEL, Units and dB
µ
V.
The unit is set to dB
µ
V.
Performing the Max Hold
9.
Press TRACE, 1/2_more, and Max Hold.
Perform the Max hold function for approximately 1 minute to allow for level
fluctuations.
Figure 2-67 Performing Max Hold
Measuring the video carrier level
10.
Press MKR.
The marker level previously set is called the video carrier level V (dB
µ
V).
