:SOURce Subsystem VNA Commands
3-148 PN: 10580-00306 Rev. E MS20xxC PM
Active Trace
[:SENSe]:TRACe:SELect?
Description: This command returns the current active trace number in the format
TR#.
Syntax: [:SENSe]:TRACe:SELect?
Cmd Parameter: NA (query only)
Query Response: <char> [TR1|TR2|TR3|TR4]
Example: To query for the active trace number:
:SENS:TRAC:SEL?
Front Panel
Access: Measure, Active Trace
3-32 :SOURce Subsystem
The commands in this subsystem control the internal signal source.
Power Levels
:SOURce:POWer
Description: Sets the power levels.
Syntax: :SOURce:POWer LOW|HIGH
:SOURce:POWer?
Cmd Parameter: <char> [LOW|HIGH]
Query Response: <char> [LOW|HIGH]
Range: HIGH: 3 dBm to –3 dBm
LOW: –15dBmto–25dBm
Default Value: HIGH
Front Panel
Access: Shift-3 (Sweep), Configure Ports, Source Power
Table 3-11. :SOURce Subsystem
Keyword Parameter Data or Units
:SOURce
:CORRection Refer to “:SOURce:CORRection:RVELocity Subsystem”
on page 3-149