Anritsu MS9740A - Page 34

Chapter 2 Before Use
2-18
2.6 Checking Instrument Status
MS9740A has registers indicating the status, such as errors and
command execution status. This section explains these registers.
2.6.1 Register Structure
Figure 2.6.1-1 shows the structure of the registers indicating the
MS9740A status.
Status Byte
Register
Send Queue
Standard event
Register /
Enable register
Power On
Not used
Command Error
Execution Error
Device Dependent Error
Query Error
Not used
Operation Complete
Not used
Not used
Error Event
Register/ Enable register
Not used
Not used
Not used
Not used
Not used
Meas Condition
PEAK/DIP
RES Uncal
End Event
Register/ Enable register
Not used
Not used
Not used
Execution Error 1
Execution Error 2
Not used
Sweep End
Measurement End
Not used
MSS
ESB
MAV
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
Logical Sum
&
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
Logical Sum
&
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
Logical Sum
&
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
Logical Sum
&
Service request
Enable register
Service
Request
&: logical AND per bit
Figure 2.6.1-1 Register Structure