HP 53131A/132A 225 MHz Programming Manual page 202

Chapter 4 Command Reference
:DIAGnostic Subsystem
:DIAGnostic:CALibration:TINTerval:QUICk
This event command calibrates out the differences in electrical path length
between channels 1 and 2.
Before sending this command, connect to channel 1 a square wave of approximate
frequency 10 MHz, but more importantly with a rapid rise time.
Comments
No query.
The calibration values are stored in non-volatile memory, and are unaffected
by power-on, save/recall, and *RST.
Use DIAG:CAL:STAT? to check for successful calibration.
Related
Scale and Offset/POWER (Calibration menu).
Front-Panel
Keys
4-36 Programming Guide