
Chapter 2 Service
The Agilent 53210A/53220A/53230A Calibration Procedures
106 Assembly-Level Service Guide
NOTE Whenever possible, the counter should be calibrated with the
instrument oriented in the same physical direction in which it
will be used (i.e. flat, on one side, or front panel facing up).
Determine the Counter Firmware Version
•Press the Help key, then the About softkey.
• An information screen (Figure 2-4) is displayed that contains
the following items:
– Agilent Model Number
– Instrument Serial Number
– IP and GPIB addresses
– Firmware Version (Format: x.xx - x.xx - xx - xx - xx)
– Installed Options
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