11 STATus Subsystem
478 N1911A/1912A P-Series Power Meters Programming Guide
STATus:OPERation:LLFail[:SUMMary]
The operation status lower limit fail summary register set contains information on
the lower limit fail status of the power meter.
The following bits in these registers are used by the power meter:
The appropriate bits are set if a channel lower limit test fails or a window lower
limit test fails.
These bits are cleared if a measurement is made and the test is enabled and
passes.
Syntax
Bit Number Decimal Weight Definition
0-Not used
1 2 Channel A LLFail Status
2 4 Channel B LLFail Status (N1912A only)
3 8 Upper window LLFail Status
4 16 Lower widow LLFail Status
5 32 Upper window lower measurement LLFail Status
6 64 Lower window lower measurement LLFail Status
7-15 - Not used