Command Reference
R&S
®
ZNB/ZNBT
911
User Manual 1173.9163.02 ─ 38
INSTrument:NSELect
<Channel>
Selects a channel as the active channel.
Parameters:
<Channel>
Number of the channel to be activated. The channel must be
created before using
ON
.
Range:
1, 2, ...
*RST:
1
Example:
CONF:CHAN2:STAT ON; :INST:NSEL?
Create channel no. 2 and select it as the active channel. The
query returns 2.
INSTrument:PORT:COUNt?
Returns the number of test ports (Port 1, Port 2 ...) of the analyzer.
Example:
INST:PORT:COUN?
Return the number of ports of your analyzer.
Usage:
Query only
INSTrument:SMATrix
<Boolean>
In "set direction" this command perfoms a default setup or "clear" of the switch matrix
RF connections; in "get direction" it queries whether at least one RF connection to a
switch matrix is configured.
Parameters:
<Boolean>
ON | 1 (setting) – adds all registered switch matrices to the RF
configuration, performing a default assignment of VNA ports and
test ports.
OFF | 0 (setting) – removes all switch matrices from the RF con-
figuration
1 (query) – at least one RF connection to a switch matrix
0 (query) – no RF connection to a switch matrix
Example:
See
SYSTem:COMMunicate:RDEVice:SMATrix:
INSTrument:TPORt:COUNt?
Returns the total number of test ports.
In absence of switch matrices, i.e. if no RF connection to a switch matrix is configured,
this is identical to the number of VNA ports (see
With switch matrices, the return value is the total number of matrix test ports and VNA
ports that are assigned to a (DUT) test port.
Usage:
Query only
SCPI Command Reference
