Calibration[:All] - Keysight 8990B Programming Manual

CALibration[:ALL]

This command sets the 8990B to manually perform zeroing and calibration on
both channels 1 and 4.
Syntax
Example
CAL
Remark
If channel 1 or 4 is not connected, error –241,"Hardware missing; Sensor not
found in channel 1 or channel 4." will occur.
Keysight 8990B Programming Guide
CAL :ALL
This command sets the 8990B to perform zeroing and
calibration on both channels 1 and 4.
CALibration Subsystem 5
145