Keysight M8195A - Questionable Data Register Command Subsystem

6 General Programming
172 Keysight M8195A Revision 2 – Arbitrary Waveform Generator User’s Guide
6.7.3 Questionable Data Register Command Subsystem
The Questionable Data register group provides information about the quality or
integrity of the instrument. Any or all of these conditions can be reported to the
Questionable Data summary bit through the enable register.
Table 23: Questionable data register
Bit Number
Decimal Value
Definition
0 Voltage warning
1
Output has been switched off (to protect itself)
1 Not used
2
Returns “0”
2 Not used
4
Returns “0”
3 Not used
8
Returns “0”
4 Not used
16
Returns “0”
5 Frequency warning
32
Output signal is invalid, because of an instable or missing external
reference clock.
6 Not used
64
Returns “0”
7 USB disconnected
128
USB module connection state
8 Not used
256
Returns “0”
9 Not used
512
Returns “0”
10 Sequence Status
1024
Sequence generation errors happened
11 Not used
2048
Returns “0”
12 DUC Status
4096
Amplitude has been clipped after DUC
13 Not used
8192
Returns “0”
14 Not used
16384
Returns “0”
15 Not used
32768
Returns “0”