Programming Guide – 56
• Bit 4 (execution error) is set when an execution error is detected by the attenuator, for
example, if a command parameter is out of the range of the attenuator or if a valid program
message cannot be executed due to some condition in the attenuator.
• Bit 5 (command error) is set when a command error is detected by the attenuator, for
example, if a syntax error is detected in a program message, an incorrect command header
is received, or if an IEEE GET message is received in the middle of a program message.
• Bit 6 (user request) is always set to 0.
• Bit 7 (power on) is set when an off-to-on transition occurs in the power supply of the
attenuator.
Standard Event Status Enable Register
The contents of the standard event status enable register determine which events in the
standard event status register are reflected in the event summary bit (ESB) of the status byte
register.
Standard Event Status Enable Register
Read with
*ESE? common query
Written to with
*ESE
common command
Cleared by
Power-on
*ESE common command with a parameter value of 0
Operation and Questionable Condition Registers
Each bit in these condition registers reflects a specific condition or state within the attenuator.
A bit is set when the attenuator enters the state associated with that bit and remains set while
the device is in that state.
Operation Condition Register
Read with
STATus:OPEReration:CONDition? query
Written to with
Cannot be written to
Cleared by
Power-on
Questionable Condition Register
Read with
STATus:QUEStionable:CONDition? query
Written to with
Cannot be written to
Cleared by
Power-on
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