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• *RST Condition: unaffected
• Power-On Condition: no bits are enabled
Example Enable service request on Message Available bit
*SRE 16 Enable request on MAV
*STB?
*STB? returns the value of the Status Byte Register. Bit 6 (decimal weight 64) is
set if a service request is pending. STB? should not be used to read the Status Byte
register if a service request is generated by a message available (MAV) condition.
Comments • *STB? is a query. Thus, sending the command in response to a MAV condition
will generate Error -410 "Query interrupted".
• Executable when initiated: Yes
• Coupled command: No
• Related commands: *SRE
• *RST Condition: none
*TRG
*TRG is the command equivalent of the HP-IB Group Execute Trigger and the
VXIbus Trigger word serial command and has exactly the same effect.
Comments • Executable when initiated: Yes
• Coupled command: No
• Related commands: ARM and TRIGger subsystem SOURce commands
• *RST Condition: none
*STB?
Chapter 4 Command Reference 308