R3131 Spectrum Analyzer Operation Manual
2.2.7 UNCAL Messages
ADVANTEST R3131
REF 0.0 dBm
10d0/_.
SPAN ,
10.00 MHz
Wed 10 Dec 1997Span
ATT 10dB A_wrt B_blnk
Norm Norm Full Span
CENTER 30.00 MHz SPAN 10.00 MHz Last Span
RBW 100 kHz VBW 100 kHz SWP 50 ms
Figure 2-28 Measuring Settings Screen
Manually changing the measurement conditions
6. Press SWEEP and SWP Time AUTOIMNL.
Sweep time is set to 50 ms.
7. Press BW, RBW AUTO/MNL, 3, 0 and kHz.
The RBW is set to 30 kHz.
A sweep time of 50 ms is too short because of the current settings so UNCAL is
displayed in the center of the screen.
ADVANTEST R3131
REF 0.0 dBm
10dB/
RBW
30 kHz
Wed 10 Dec 1997BW
ATT 10dB A_wrt B_blnk
Norm Norm RBW
'AUTO /MNL
CENTER 30.00 MHz SPAN 10.00 MHz Auto All
*RBW 30 kHz VBW 10 kHz *SWP 50 ms
Figure 2-29 Screen with UNCAL Message
2-37
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