R3131 Spectrum Analyzer Operation Manual
2.2.2 Displaying Spectrums and Operating the Markers
Setting the measurement conditions
This changes the analyzer settings so that the input signal is displayed more clearly.
9. Press FREQ.
The current center frequency is displayed in the active area, and the Freq menu
used to select the frequency type appears on the right.
ADVANTEST R3131
REF 0.0 dBm
10dB/
CENTER
1.5000 GHz
Wed 10 Dec 1997
ATT 10dB A_wrt B_blnk
Norm Norm
CENTER 1.5000 $Hz
RBW 1 MHz VBW 1 MHz
SPAN 3000 MHz
SWP 50 ms
Figure 2-6 Active Area Display
10. Press 3, 0 and MHz.
A center frequency of 30 MHz is set.
ADVANTEST R3131
REF 0.0 dBm
10dB/ ,
CENTER
30.0 R
Freq
Center
Start
Stop
, CF Step
AUTO /MNL
Wed 10 Dec 1997
ATT 10dB A_wrt B_blnk
Norm Norm
CENTER 30.0 MHz
RBW 1 MHz VBW 1 MHz
SPAN 260.0 260.0 MHz
SWP SO ms
Figure 2-7 Setting the Center Frequency
Peak•CF
Freq
Center
Start
Stop
CF Step
AUTO /MNL
Peok•CF
2-19
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