User`s manual

Control Register
Sampling
The following model shows how to make a measurement by writing to the
Control Register. This method of sampling is available with the HP E1326B or
E1411B multimeter only.
Comments
The first measurement of each burst occurs when the trigger signal
(Trigger Immediate) is received. Subsequent measurements in the
burst occur when Control Register bit 2 is cleared (0), and then set to
one (1).
Figure C-11. Control Register Sampling
Appendix C HP E1326B/E1411B Multimeter Register-Based Programming 219