Sre (Service Request Enable Command); Stb? (Read Status Byte Query); Query Syntax; Trg (Trigger Command) - HP 83751A Programming Manual

Programming Commands
IEEE 488.2 Common Commands

*SRE (Service Request Enable Command)

Query Syntax

Sets and queries the value of the Service Request Enable Register.

*STB? (Read Status Byte Query)

Queries the status byte. This is non-destructive.
Performs the same function as the Group Execute Trigger command defined
by IEEE 488.1.
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