Technical data

56 Programmer’s Guide
5 Command Reference
Enable Option
:SYSTem:LKEY <"option">,<"license key">
Use this command to enable the specified option with the license key.
Example: :SYSTem:LKEY "PA3","ABCDEFGH"
Key access: Shift > System > More > Service > Add Option
Disable Option
:SYSTem:LKEY:DISable <"license key">
Use this command to disable the installed options.
Example: :SYSTem:LKEY: DISable "ABCDEFGH"
Key access: Shift > System > System Info > Installed Options > Delete License
Installed Options Query
:SYSTem:OPTions?
This command returns a list of the options that are installed.
Key access: System > System Info > Installed Options
System Error
:SYSTem:ERRor[:NEXT]?
Use this command to read the system error information.
Example: :SYSTem:ERRor?
Key access: Shift > System > System Info > Error History
Calibrate Time Base by External Reference Signal
:SYSTem:CALibration:TBASe:EXT
Use this command to calibrate the time base by external signal. Please
connect a BNC cable with 10 MHz reference signal to the EXT TRIG IN
connector before using this command.
Key access: Shift > System > More > Service > Calibration > Time Base By EXT