STATus Subsystem 11
N1911A/1912A P-Series Power Meters Programming Guide 487
STATus:QUEStionable:POWer[:SUMMary]
The questionable power summary register set contain bits that indicate the
quality of the power data being acquired by the power meter.
The following bits in these registers shall be used by the power meter:
Bit 1 is set when any of the following errors occur:
• Error –231, “Data questionable;Input Overload”
• Error –231, “Data questionable;Input Overload ChA” (N1912A only)
Bit 2 is set when the following error occurs:
• Error –231, “Data questionable;Input Overload ChB” (N1912A only)
Bits 3 is set when the following error occurs:
• Error –230, “Data corrupt or stale”
• Error –231, “Data questionable;Upper window log error”
Bit 4 is set when the following error occurs:
• Error –230, “Data corrupt or stale”
• Error –231, “Data questionable;Lower window log error”
Bit 5 is set when the following condition occurs:
Bit Number Decimal
Weight
Definition
0 - Not used
12Channel A Power
2 4 Channel B Power (N1912A only)
3 8 Upper Window Power
4 16 Lower Window Power
5 32 Channel A Please Zero
6 64 Channel B Please Zero (N1912A only)
7 128 Upper Window Lower Measurement Power
8 256 Lower Window Lower Measurement Power
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