Specifications

3-12
Interrogating the Instrument Status
Questionable Data Status Register Group
Questionable Data Status Register Group
The Questionable Data Status group is a 16-bit register group. The bits in this register set
indicate that a signal is of questionable quality.
Figure 3-5 Questionable Data Status Register Group
The Questionable Data Status register group conforms to the SCPI Status Register model
and is defined as follows:
Table 3-5 Questionable Data Status register group
Bit # Mnemonic Description Bit Value
0 VOLTage Indicates data loss 1
1-8 These bits are not used
9 CLOCK Clock loss 512
10 SYNC Sync Loss 1024
11 UNAV Signal is unavailable 2048
12 Inst. dependent 1st SYNC CYCLE 4096
13-15 These bits are not used