R3267 Series Spectrum Analyzer Operation Manual (Vol.1)
2.2.8 UNCAL Message
2-40
5.
Press SPAN, 5, 0 and kHz.
A frequency span of 50 kHz is set.
The following are automatically set:
RBW = 1 kHz, VBW = 1 kHz, Sweep time = 100 ms.
6.
Press SWP, Sweep Time AUTO/MNL(MNL), 2, 0 and kHz(ms).
Sweep time is set to 20 ms and UNCAL is displayed in the lower right hand fre-
quency area on the screen.
A Sweep time of 20 msec is too short.
Figure 2-47 Screen with UNCAL Message
Coping with the UNCAL message
7.
Press COUPLE, RBW AUTO/MNL(MNL), 1, 0 and kHz.
Once the RBW is set to 10 kHz, the UNCAL message will disappear because a
sweep time of 20 msec meets the required condition.
Figure 2-48 UNCAL Message Removed