Common Commands CMU
1100.4903.12 6.4 E-10
The CMU firmware versions are listed after the hardware equipment:
Response Description Response Description
uP1 – 0 not used
uP2 – 0 not used
0 not used 0 not used
*PRE 0 to 255
PARALLEL POLL REGISTER ENABLE sets parallel poll enable register to the value indicated.
Query *PRE? returns the contents of the parallel poll enable register in decimal form.
*PSC 0 | 1
POWER ON STATUS CLEAR determines whether the contents of the ENABle registers is main-
tained or reset in switching on.
*PSC = 0 causes the contents of the status registers to be maintained. Thus a service request
can be triggered in switching on in the case of a corresponding configuration of status
registers ESE and SRE.
*PSC
=
0 resets the registers.
Query *PSC? reads out the contents of the power-on-status-clear flag. The response can be 0 or 1.
*RST
RESET sets the instrument to a defined default status. The command resets all function groups and
test modes, restoring the default values defined for remote control operation. *RST is equivalent to
SYSTem:RESet[:ALL]. The default settings are indicated in the description of commands.
*SRE 0 to 255
SERVICE REQUEST ENABLE sets the service request enable register to the value indicated. Bit 6
(MSS mask bit) remains 0. This command determines under which conditions a service request is
triggered. Query *SRE? reads the contents of the service request enable register in decimal form. Bit
6 is always 0.
*STB?
READ STATUS BYTE QUERY reads the contents of the status byte in decimal form.
*TST?
SELF TEST QUERY triggers selftests of the instrument and outputs an error code in decimal form
(the output is zero in the current firmware version).
*WAI
WAIT-to-CONTINUE only permits the servicing of the subsequent commands after all preceding
commands have been executed and all signals have settled (see also chapter 5 and "*OPC").
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