Technical data

140 Agilent U1251B/U1252B User’s and Service Guide
6 Performance Tests and Calibration
Calibration Errors
The following errors indicate failures that may occur during
a calibration.
Number Recommended Accuracy Requirements
200 Calibration error: Calibration mode is secured
002 Calibration error: Secure code invalid
003 Calibration error: Serial number code invalid
004 Calibration error: Calibration aborted
005 Calibration error: Value out of range
006 Calibration error: Signal measurement out of range
007 Calibration error: Frequency out of range
008 EEPROM write failure