R3131 Spectrum Analyzer Operation Manual
2.2 Basic Operation
2-55Apr 10/98
2.2.13 Calibration
Wait at least 30 minutes after turning on the spectrum analyzer before attempting to perform any
measurements, or the measurements may not be accurate.
Note: Do not use any input signals when performing a calibration.
1. Press SHIFT and 7 (CAL).
The Cal menu used for calibration appears.
Figure 2-49 Screen Display Showing the Cal Menu
2. Press
Cal All
.
Calibrates the spectrum analyzer. After completing all items up to PBW, the
spectrum analyzer enters the error correction mode. Press
Each Item
, then select
an item you wish to calibrate.
NOTE: You may hear some clicking noises during calibration, but this is normal.
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