7 Performance Tests and Calibration
Finishing the adjustment
1Remove all the shorting plugs and connectors from the instrument.
2Record the new Calibration Count.
3Press 
and 
simultaneously to exit the Adjustment Mode. Power off and on again. The instrument
will then be secured.
To read the calibration count
You can query the instrument to determine how many calibrations have been performed.
N O T E | Your instrument was calibrated before it left the factory. |
|
|
When you receive your instrument, read the count to determine its initial value.
The count value increases by one for each calibration point, and a complete calibration will increase the value by many counts. The calibration count increments up to a maximum of 65535 after which it is set at 0. The calibration count can be read from the front panel after the instrument has been unsecured. Use the following procedure to read the calibration count from the front panel.
1Press 
Adjustment Mode. The primary display shows the calibration count.
2Take note of the count.
3Press
again to exit the calibration count mode.
142 | Agilent U1251A/U1252A User’s and Service Guide |
