Agilent Technologies N1911A Programming Manual page 244

4 CALibration Subsystem
Reset Condition
On reset, automatic zeroing is disabled.
Query
CALibration[1]|2:ZERO:NORMal:AUTO?
The query always returns a value of 0.
Error Messages
• If zeroing was not carried out successfully the error –231, "Data
• If this command is set to ON the error –224, "Illegal parameter value"
• If there is no sensor connected, or if a sensor other than an E9320 or
• If an E9320 sensor is connected and is not in NORMAL mode, the
216
Questionable; ZERO ERROR" occurs. If you are using a dual channel
power meter, the error message specifies which channel failed zeroing.
occurs.
P- Series is connected, the error –241, "Hardware missing" occurs.
error –221 "Settings conflict" occurs.
N1911A/1912A P-Series Power Meters Programming Guide