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Query and reture POSitive or NEGative as the format of characters.
5.9.3 Trigger Level in Video Trigger.
Command format:
TRIGger:SEQuence:VIDeo:LEVel <level>
TRIGger:SEQuence:VIDeo:LEVel?
Function description:
Set trigger level in video trigger.
Query trigger level in video trigger.
This command is only valid when select video trigger.
Parameter specification
level, floating-point data, range from -300.0dBm to 50 dBm.
Return format
Query and return trigger level value as the format of floating-point data. !
!
5.9.4 UNIT Subsystem
•
Select the power unit used for measurement.
Command format:
UNIT:POWer DBM|DBMV|DBUV|W|V
UNIT:POWer?
Function description:
Set amplitude unit of Y-axis.
Query amplitude unit of Y-axis.
Return format
Query and return DBM, DBMV, DBUV, W or V.
!
5.10 SYSTem Subsystem
5.10.1 Power off the Instrument.
Command format:
SYSTem:SHUTDOWN
Function description:
This command is to power off this spectrum analyzer.
!
5.10.2 Restart the Instrument
Command format:
SYSTem:RESTART
Function description:
This command is to restart the spectrum analyzer.
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