Command reference
R&S
®
ZNL/ZNLE
564
User Manual 1178.5966.02 ─ 19
*ESR?
Event status read
Returns the contents of the event status register in decimal form and then sets the reg-
ister to zero.
Return values:
<Contents>
Range:
0 to 255
Usage:
Query only
*IDN?
Identification
Returns the instrument identification.
Example:
Rohde&Schwarz,ZVA8-4Port,12345,0.10.1.23
Example:
Rohde-Schwarz,ZNL3-2Port,
1323.0012K03/123456,1.22
Usage:
Query only
*IST?
Individual status query
Returns the contents of the IST flag in decimal form. The IST flag is the status bit
which is sent during a parallel poll.
Return values:
<ISTflag>
0 | 1
Usage:
Query only
*OPC
Operation complete
Sets bit 0 in the event status register when all preceding commands have been execu-
ted. This bit can be used to initiate a service request. The query writes a "1" into the
output buffer when all preceding commands have been executed, which is useful for
command synchronization.
*OPT?
Option identification query
Queries the options included in the instrument. For a list of all available options and
their description, refer to the data sheet.
Common commands
