5 reading, writing and clearing status registers, 2) clearing and resetting methods – Anritsu MP1777A User Manual
Page 70
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6.5 Reading, Writing and Clearing Status Registers
(2) Clearing and resetting methods
The table below shows clearing and resetting methods of status registers and the range of their effects.
Table 6-8 Clearing and Resetting Methods of Status Registers
Register
*RST
*CLS
Power
Source ON
#
STATus:PRESet
Other Clearing
Methods
Status byte register
No change
Clear
Clear
No change
Service request
No change
No change
Clear
No change
Execution of *SRE 0
Standard event status
register
No change
Clear
Clear
No change
Reading of events by
*ESR? to clear the status
register
Standard event status
enable register
No change
No change
Clear
No change
Execution of *ESE 0
SCPI event register
No change
Clear
Clear
No change
Reading of events by .
: STATUS:...: EVENC to
clear the status register
1
SCPI enable register ! No change
No change
Reset
Reset
Execution of
: STATUS:... : ENABle 0
Execution of the
SCPI Transition filter
No change
No change
Reset
Reset
: STATUS:...: PTRansition 0
: STATUS:...: NTRansition 0
Error/event queue
No change
Clear
Clear
No change
Reading of all the events
by : SYSTem : ERRor?
NOTES :
The SCPI event register, SCPI enable register and SCPI transition filter correspond to the event register, enable
register and transition filter in the status registers specified by SCPI and device-specific status registers.
Cleared (or reset) when the power source is switched ON with the *PSC (Power-ON Status Clear) flag set as
true by the common PSC command.
The table below shows the reset values of registers influenced by the : STATus : PRESet command.
Register 0
Enable/Filter
Reset Value
OPERational status register
Enable register
ALLO
QUEStionable status register
PTRansition filter
ALL 1
NTRansition filter
ALLO
Enable register
ALL 1
INSTrument status register
PTRansition filter
ALL 1
NTRansition filter
ALLO
Enable register
ALL 1
Other status registers
PTRansition filter
ALL 1
NTRansition filter
ALL 1
6-9
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