R3131 Spectrum Analyzer Operation Manual
2.2 Basic Operation
2-55
Apr 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.
