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5
Commands by Subsystem
*STB (Read Status Byte)
Query Syntax
*STB?
The *STB? query returns the current value of the instrument's status byte.
The MSS (Master Summary Status) bit is reported on bit 6 instead of the
RQS (request service) bit. The MSS indicates whether or not the device
has at least one reason for requesting service.
Return Format
<value><NL>
<value> ::= 0,..,255; an integer in NR1 format
OR
Table 44 Status Byte Register (STB)
Bit
7
134
(see
page
786)
From
From
Standard
Operation
Event
Status
Status
Registers
Registers
RQS/
OPER
ESB
MAV
MSS
7
6
5
+
SRQ
Service Request
Name
Description
OPER
Operation Status Register
Agilent InfiniiVision 7000A Series Oscilloscopes Programmer's Guide
TRG
Reg
Output
Queue
USR
TRG
MSG
4
3
2
1
When Set (1 = High = True), Indicates:
An enabled condition in the Operation Status
Register (OPER) has occurred.
TER?
Trigger Event Register
*STB?
Status Byte Register
0
*SRE
Service Request Enable
(Mask) Register
*SRE?
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