EXFO FTB-500 (Window XP) - Manual (Page 401)

IEEE 488.2 and Specific Command Reference
FTB-500 393
IEEE 488.2 Required Commands
Response(s) RegisterValue:
The response data syntax for is
defined as a
element.
The ranges from 0 through 255.
When converted to binary (base 2), the
represents the current bit
values of the Service Request Enable Register.
Example(s) *SRE returns 32 (bit ESB)
See Also *SRE
*STB?
*SRE?