RIGOL DSG3000 Series - Manual (Page 103)

Chapter 2 Command System RIGOL
DSG3000 Programming Guide 2-83
[:SOURce]:SWEep:DIRection
Syntax [:SOURce]:SWEep:DIRection FWD|REV
[:SOURce]:SWEep:DIRection?
Description Set the sweep direction.
Query the sweep direction.
Parameter Name Type Range Default
FWD|REV Discrete FWD|REV FWD
Explanation  FWD: select "Fwd" sweep direction. At this point, the RF signal generator
sweeps from the start frequency or start level to the stop frequency or stop
level.
 REV: select "Down" sweep direction. At this point, the RF signal generator
sweeps from the stop frequency or stop level to the start frequency or stop
level.
Return Format The query returns FWD or REV.
Example :SWE:DIR FWD /*Set the sweep direction to "Fwd"*/
:SWE:DIR? /*The query returns FWD*/
[:SOURce]:SWEep:EXECute
Syntax [:SOURce]:SWEep:EXECute
Description Execute a sweep.
Explanation  If the current sweep mode is "cont", sending this command will change the
sweep mode to "Single". The instrument starts a sweep if the trigger condition
is currently met.
 If the current sweep mode is "Single", the instrument starts a sweep if the
trigger condition is met after sending this command.
Related
Command
[:SOURce]:SWEep:MODE