6Backdating
270 Keysight 53210A/53220A/53230A Assembly Level Service Guide
– For the 53220A or 53230A Counters, send the command to calibrate as:
“CALibration:LEVel3? 500E8, -27”.
– For the 53210A Counter, send the command to calibrate as:
“CALibration:LEVel2? 500E8, -27”.
– Retrieve query result:
– 0 indicates the calibration PASSED.
– Any value other than 0 indicates calibration FAILED.
– If the calibration passes at 500 MHz, repeat the calibration sequence for 1000
MHz at -27 dBm as follows:
– For the 53220A or 53230A Counters, send the command to calibrate as:
“CALibration:LEVel3? 1E9, -27”.
– For the 53210A Counter, send the command to calibrate as:
“CALibration:LEVel2? 1E9, -27”.
– Retrieve query result:
– 0 indicates the calibration PASSED.
– Any value other than 0 indicates calibration FAILED.
– If non-zero value for either calibration point, read error queue as follows:
SYSTem:ERRor?
– Read errors until no more errors.
–Consult the “Error Messages” on page 174 of Chapter 2 for what to do after
receiving a specific calibration error message.