2Service
124 Keysight 53210A/53220A/53230A Assembly Level Service Guide
8 If “Lock Cal” is displayed on a softkey, the counter is unlocked and ready for
calibration.
–The Perform Cal softkey becomes available.
9 Press the Perform Cal softkey:
–The Cal Step softkey shows the last cal step that was selected:
10 Press the Cal Step softkey.
– Display softkey annunciators show:
* Only displayed if Option 106 or Option 115 is installed.
11 Press the Oscil softkey.
– Display softkey annunciators show:
The data entry area will display the expected calibration frequency (10.000
MHz).