154 Agilent N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide
Programming the Status Register System
Status Byte Group
Status Byte Group

The Status Byte Group includes the Status Byte Register and the Service Request Enable Register.

This is the named
status register for
the E4438C.
However, not all
signal generator
models use all of
the shown events
(i.e. some use only
a subset of the
E4438C’s status
registers).