User manual

Remote Control
R&S
®
RTO
424User Manual 1316.0827.02 ─ 06
Sets bit 0 in the event status register when all preceding commands have been executed.
This bit can be used to initiate a service request. The query form writes a "1" into the
output buffer as soon as all preceding commands have been executed. This is used 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 CD-ROM.
Return values:
<Options> The query returns a list of options. The options are returned at
fixed positions in a comma-separated string. A zero is returned for
options that are not installed.
Usage: Query only
*
PCB <Address>
Pass Control Back
Indicates the controller address to which remote control is returned after termination of
the triggered action.
Setting parameters:
<Address> Range: 0 to 30
Usage: Setting only
*PRE <Value>
Parallel poll Register Enable
Sets parallel poll enable register to the indicated value. The query returns the contents
of the parallel poll enable register in decimal form.
Parameters:
<Value> Range: 0 to 255
*PSC <Action>
Power on Status Clear
Determines whether the contents of the ENABle registers are preserved or reset when
the instrument is switched on. Thus a service request can be triggered when the instru-
ment is switched on, if the status registers ESE and SRE are suitably configured. The
query reads out the contents of the "power-on-status-clear" flag.
Command Reference