1 Power Meter Remote Operation
84 N1911A/1912A P-Series Power Meters Programming Guide
The standard event register is cleared when you:
–send a *CLS (clear status) command.
– query the event register using the *ESR? (event status register) command.
The standard event enable register is cleared when you:
– cycle the instrument power.
– execute a *ESE 0 command.
Questionable Status Register
The questionable status register provides information about the quality of the
power meter’s measurement results. Any or all of these conditions can be
reported in the questionable data summary bit through the enable register. You
must write a value using the STATus:QUEStionable:ENABle command to set the
enable register mask.
The questionable status model is shown in the pullout at the end of this chapter.
The following bits in these registers are used by the power meter.
5 32 Command Error
A command syntax error occurred, refer to error numbers 101 to 161 in the user’s
guide.
6 64 User request.
7 128 Power On
Power has been turned off and on since the last time the event register was read or
cleared.
Bit Number Decimal Value Definition
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