9 Programming the Instrument
9.4 Status Register System & STATus Subsystem
register lets you choose which bits in the standard event status register will set the
summary bit (bit 5 of the status byte register) to 1. Send *ESE <integer>, where
<integer> is the sum of the decimal values of the bits you want to enable. For
example, to enable bit 7 and bit 6 so that whenever either of those bits is set to 1,
the standard event status summary bit of the status byte register will be set to 1,
send *ESE 192 (128 + 64). *ESE? returns the decimal value of the sum of the bits
previously enabled with *ESE <integer>.
The standard event status enable register presets to zeros (0).
See also "*ESE - Standard Event Status Enable" on page 2745
9.4.6.3 Operation Register
This register and the "Questionable Register" on page 2794 are sets of registers that
monitor the overall instrument condition. They are accessed using
:STATus:OPERation and :STATus:QUEStionable.
This register monitors the current instrument measurement state and various
instrument operations for a quick summary of what is happening within the
instrument. It checks to see if the instrument is calibrating, sweeping, or waiting for
a trigger (see also "*OPC? - Operation Complete" on page 2747).
2787 Spectrum Analyzer Mode User's &Programmer's Reference
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