Anritsu MS9740A - Device Message Details; CLS [Clear Status]

Chapter 3 Message Details
3-26
3.4 Device Message Details
3.4.1 IEEE488.2 Common Message
This subsection describes the IEEE 488.2 common messages supported
by MS9740A.
*CLS
*ESE
*ESR
*IDN
*OPC
*OPT
*RST
*SRE
*STB
*TST
*WAI
*CLS [Clear Status]
Function
(1) The
*CLS
common command clears the following registers.
● Standard event status register
● Extended event status register
● Error event register
Therefore, bits 5, 3, and 2 of status byte register become 0.
The setting value of each enable register does not vary depending on
*CLS
.
(2) The
*CLS
common command clears the status byte register when
sent before the query after the program message terminator.
All unread messages in the output queue are cleared at this time.
The relevant message example indicates below.
:DISP:TRAC:X:CENT 1305.8nm
:DISP:TRAC:X:SPAN 1000nm
*CLS
:CENT?
Syntax
*CLS