Quantum Data 801GC, 801GF, 801GX manual Service Request Enable, Status Byte

*SRE	Service Request Enable
Definition:	The *SRE command sets the Service Request Enable
	register to the mask value given. The bits in the
	Service Request Enable register function as enable
	bits for each corresponding bit in the Status Byte
	register to enable a condition to request service from
	the system controller. That is, when a bit in the Status
	Byte register goes true, and the corresponding bit
	in the Service Request Enable register is also true,
	the 801G* will request service through the GPIB.
	The *SRE query returns the current value of the
	Service Request Enable register.
Command Syntax:	*SRE <mask>
	<mask> = 0 - 255
Example:	*SRE 16
Query Syntax:	*SRE?
	Returns: <mask><NL>
	<mask> is in integer NR1 form
Example:	*SRE?
Related Commands:	*STB *ESE

*STB?	Status Byte
Definition:	The *STB query returns the current value of the Status
	Byte register. The value stored in the Status Byte
	register is not affected by reading it.
Query Syntax:	*STB?
Returns:	<Status Byte><NL>
	<status byte> is in integer NR1 form
Example:	*STB?
Related Commands:	*SRE *ESR? *CLS

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