Power Meter Remote Operation 1
N1911A/1912A P-Series Power Meters Programming Guide 87
The condition bits are set and cleared under the following conditions:
Table 1-10 Bit change conditions for Operation Status
10 1024 SENSe Summary
11 2048 Lower Limit Fail Summary
12 4096 Upper Limit Fail Summary
13 to 14 - Not used
15 - Not used (always 0)
Bit Number Decimal Weight Definition
Bit Number Meaning EVENts Causing Bit Changes
0 CALibrating This is a summary bit for the Operation CALibrating Register.
– SET: At beginning of zeroing (CALibration:ZERO:AUTO ONCE) and at the beginning
of calibration (CALibration:AUTO ONCE). Also for the compound command/query
CALibration[:ALL]?, this bit is set when sensor zeroing begins.
– CLEARED: At the end of zeroing or calibration.
4 MEASuring This is a summary bit for the Operation MEASuring Register.
– SET: When the power meter is taking a measurement.
– CLEARED: When the measurement is finished.
5 Waiting for
TRIGger
This is a summary bit for the Operation TRIGger Register.
– SET: When the power meter enters the “wait for trigger” state.
– CLEARED: When the power meter enters the “idle” state.
10 SENSe This is a summary bit for the Operation SENSe Register.
– SET: When the power meter is reading data from the power sensor’s EEPROM.
– CLEARED: When the power meter is not reading data from the power sensor’s EEPROM.
11 Lower Limit Fail This is a summary bit for the Lower Limit Fail Register.
– SET: If a measurement is made and either a channel or window lower limit test fails.
– CLEARED: If a measurement is made and the lower limit test is not enabled or the test is
enabled and passes.
12 Upper Limit Fail This is a summary bit for the Upper Limit Fail Register.
– SET: If a measurement is made and either a channel or window upper limit test fails.
– CLEARED: If a measurement is made and the upper limit test is not enabled or the test is
enabled and passes.
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