IEEE 488.2 Command Reference 17
N1911A/1912A P-Series Power Meters Programming Guide 747
*SRE <NRf>
The *SRE <NRf> command sets the Service Request Enable register bits. This
register contains a mask value for the bits to be enabled in the Status Byte
Register. A 1 in the Enable Register enables the corresponding bit in the Status
Byte Register; a 0 disables the bit. The parameter value, when rounded to an
integer and expressed in base 2, represents the bits 0 to 5 and bit 7 of the Service
Request Enable Register. Bit 6 is always 0. Table 17-3 shows the contents of this
register. Refer to the pullout at the end of Chapter 10 for further information.
Table 17-3 *SRE Mapping
Syntax
Bit Weight Meaning
01 Not used
12 Not used
2 4 Device Dependent
3 8 QUEStionable Status Summary
4 16 Message Available
5 32 Event Status Bit
664 Not used
7 128 OPERation Status Summary
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