Maintenance 10
Keysight N1911A/1912A User’s Guide 271
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230
Data corrupt or stale;Please zero and calibrate Channel A
When CAL[1|2]:RCAL is set to ON and the sensor currently connected to Channel A has not been zeroed and
calibrated, then any command which would normally return a measurement result (for example FETC?,
READ?, or MEAS?) will generate this error message.
–230
Data corrupt or stale;Please zero and calibrate Channel B
When CAL[1|2]:RCAL is set to ON and the sensor currently connected to Channel B has not been zeroed and
calibrated, then any command which would normally return a measurement result (for example FETC?,
READ?, or MEAS?) will generate this error message.
–230
Data corrupt or stale;Please zero Channel A
When CAL[1|2]:RCAL is set to ON and the sensor currently connected to Channel A has not been zeroed, then
any command which would normally return a measurement result (for example FETC?, READ?, or MEAS?) will
generate this error message.
–230
Data corrupt or stale;Please zero Channel B
When CAL[1|2]:RCAL is set to ON and the sensor currently connected to Channel B has not been zeroed, then
any command which would normally return a measurement result (for example FETC?, READ?, or MEAS?) will
generate this error message
–230
Data corrupt or stale;Please calibrate Channel A
When CAL[1|2]:RCAL is set to ON and the sensor currently connected to Channel B has not been calibrated,
then any command which would normally return a measurement result (for example FETC?, READ?, or
MEAS?) will generate this error message
–230
Data corrupt or stale;Please calibrate Channel B
When CAL[1|2]:RCAL is set to ON and the sensor currently connected to Channel B has not been calibrated,
then any command which would normally return a measurement result (for example FETC?, READ?, or
MEAS?) will generate this error message
–231
Data questionable;CAL ERROR
Power meter calibration failed. The most likely cause is attempting to calibrate without applying a 1 mW
power to the power sensor.
–231
Data questionable;CAL ERROR ChA
Power meter calibration failed on Channel A. The most likely cause is attempting to calibrate without applying
a 1 mW power to the power sensor.
–231
Data questionable;CAL ERROR ChB
Power meter calibration failed on Channel B. The most likely cause is attempting to calibrate without applying
a 1 mW power to the power sensor.
–231
Data questionable;Input Overload
The power input to Channel A exceeds the power sensor’s maximum range.
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