Rohde & Schwarz FPL1000 Series, User Manual

Page: 670 / 899

Remote Commands
R&S
®
FPL1000
670 User Manual 1178.3370.02 ─ 03
INPut:IMPedance <Impedance>
This command selects the nominal input impedance of the RF input. In some applica-
tions, only 50
Ω
are supported.
Parameters:
<Impedance> 50 | 75
*RST:
50 Ω
Example: INP:IMP 75
Manual operation: See " Impedance " on page 364
See " Unit " on page 386
INPut:SELect <Source>
This command selects the signal source for measurements, i.e. it defines which con-
nector is used to input data to the R&S
FPL1000.
Parameters:
<Source> RF
Radio Frequency ("RF INPUT" connector)
*RST:
RF
Manual operation: See " Radio Frequency State " on page 364
INPut:UPORt:STATe <State>
This command toggles the control lines of the user ports for the AUX PORT connector.
This 9-pole SUB-D male connector is located on the rear panel of the R&S FPL1000.
See the R&S FPL1000 Getting Started manual for details.
Parameters:
<State> ON | 1
User port is switched to INPut
OFF | 0
User port is switched to OUTPut
*RST:
1
INPut:UPORt[:VALue]?
This command queries the control lines of the user ports.
For details see
OUTPut:UPORt[:VALue]
on page 683.
Return values:
<Value> bit values in hexadecimal format
TTL type voltage levels (max. 5V)
Range:
#B00000000 to #B00111111
Setting Basic Spectrum RF Measurement Parameters