Keysight N1911A

Power Meter Remote Operation 1
N1911A/1912A P-Series Power Meters Programming Guide 85
Table 1-7 Bit Definitions - Questionable Status Registers
The condition bits are set and cleared under the following conditions:
Table 1-8 Bit change conditions for Questionable Status Register
Bit Number Decimal Weight Definition
0 to 2 - Not used
3 8 POWer Summary
4 to 7 - Not used
8 256 CALibration Summary
9 512 Power On Self Test
10 to 14 - Not Used
15 - Not used (always 0)
Bit Number Meaning EVENts Causing Bit Changes
3 POWer Summary This is a summary bit for the Questionable POWer Register.
– SET:
Error –230, “Data corrupt or stale”
Error –231, “Data questionable;Input Overload”
Error –231, “Data questionable;Input Overload ChA”
[a]
Error –231, “Data questionable;Input Overload ChB”
[a]
Error –231, “Data questionable;PLEASE ZERO”
Error –231, “Data questionable;PLEASE ZERO ChA”
[a]
Error –231, “Data questionable;PLEASE ZERO ChB”
[a]
Error –231, ”Data questionable;Lower window log error”
[a]
Error –231, ”Data questionable;Upper window log error”
[a]
– CLEARED: When no errors are detected by the power meter during a
measurement covering the causes given for it to set.