HP 8920A Programmer's Manual page 259

Table 18 Operation Status Register Group Condition Register Bit Assignments
Binary
Bit Number
Weighting
15 32768
14 16384
13 8192
12 4096
11 2048
10 1024
9 512
8 256
7 128
6
5
4
3
2
1
0
Table 18 shows the Operation Status Register Group Condition Register bit assignments.
Not Used (Always 0)
IBASIC Program Running
Unused in the Test Set
Unused in the Test Set
Unused in the Test Set
Unused in the Test Set
Call Processing Status Register
Group Summary Message
Unused in the Test Set
Unused in the Test Set
64 Unused in the Test Set
32 Unused in the Test Set
16 Unused in the Test Set
8 Unused in the Test Set
4 Unused in the Test Set
2 Unused in the Test Set
1 Unused in the Test Set
Condition
Chapter 5, Advanced Operations
Comment
Defined by SCPI Version 1994.0
1 = an IBASIC program is running on
the built-in IBASIC controller.
1 = one or more of the enabled events
have occurred since the last reading or
clearing of the Event Register.
Status Reporting
259