Dual Channel RF Downconverter
IEEE 488.2 Command Reference
6.12 *STB?
The
*STB?
(STatus Byte) query returns bit 0 to 5 and bit 7 of the QM1003-0.5-18-2 Dual Channel RF
Downconverter status byte and returns the Master Summary Status (MSS) as bit 6. The MSS is inclusive
OR of the bitwise combination (excluding bit 6) of the Status Byte and the Service Request Enable reg-
isters. The format of the return is an integer between 0 and 255. Table 4.15 shows the contents of this
register.
Table 4.15:
*STB? mapping
Bit
Base 2
Meaning
0
1
Not used
1
2
Device Dependent
0 - No device status condition has occurred
1- A device status condition has occurred
2
4
Error/Event Queue
0 = Queue empty
1 = Queue not empty
3
8
Questionable Status Summary
0 - No QUEStionable status conditions have occurred
1 - A QUEStionable status condition has occurred
4
16
Message Available
0 - no output messages are ready
1 - an output message is ready
5
32
Event Status Bit
0 - no event status has occurred
1 - an event status condition has occurred
6
64
Master Summary Status
0 - Dual Channel RF Downconverter not requesting ser-
vice
1 - there is at least one reason for requesting service
7
128
Operation Status Summary
0 = No OPERation status conditions have occurred
1 = An OPERation status condition has occurred
Syntax
*
STB
?
Quonset Microwave
Revision 1.0.0
82
Summary of Contents for QM1003-0.5-18-2
Page 7: ...QM1003 0 5 18 2 Dual Channel RF Downconverter User Manual Quonset Microwave Revision 1 0 0 vi...
Page 38: ...QM1003 0 5 18 2 Dual Channel RF Downconverter User Manual Quonset Microwave Revision 1 0 0 27...
Page 100: ...Quonset Microwave www quonsetmicrowave com 1003 005 21 1003 005 21 Revision 1 0 0 March 2023...
