STATus:PRESet
Initializes the transition and enable filters for both SCPI register groups (OPERation and
QUEStionable).
The STATus:PRESet command only affects the ENABle register and the transition filter register of the
status data structure. It does not clear any event registers or the error/event queue. To reset all event
registers and the queue within the device status reporting mechanism, use *CLS.
For status data required by SCPI, STAT:PRES sets the transition filter registers so that only positive
transitions are detected and sets the ENABle register to all zeros. The settings of the service request
enable register, parallel poll enable register, memory registers related to the *SAV command, the
instrument address, output queue, and power on status clear flag are not affected by this command.
Operation register Questionable register Preset Value
STAT:OPER:ENAB STAT:QUES:ENAB 0 - all bits disabled
STAT:OPER:NTR STAT:QUES:NTR 0 - all bits disabled
STAT:OPER:PTR 65535 all bits enabled
STAT:QUES:PTR 65535 all bits enabled
Parameter Typical Return
(none) (none)
Preset the Operation and Questionable registers: STAT:PRES
STATus:QUEStionable[:EVENt]?
Queries the event register for the Questionable Status group. This is a read-only register, which
stores (latches) all events that are passed by the Operation NTR and/or PTR filter. Reading the
Questionable Status Event register clears it.
Parameter Typical Return
(none) <bit value>
Read the questionable status event register: STAT:QUES?
The value returned is the binary-weighted sum of all bits set in the register.For example, to enable bit
2 (value 4) and bit 4 (value 16), the corresponding decimal value would be 20 (4 + 16).
*RST does not affect this register.
3îîSCPI Programming Reference
148 Keysight AC6800B Series Operating and Service Guide
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