17-90 SCPI Command Reference
Select guard mode
:GUARd <name>
:SYSTem:GUARd <name> Select guard mode
Parameters <name> = OHMS Ohms guard mode
CABLe Cable guard mode
Query :GUARd? Query guard mode
Description This command is used to select the guard mode. OHMS guard is a low-
impedance guard drive used for in-circuit resistance measurements. CABLE
guard provides a high-impedance guard drive that is used to eliminate leak-
age currents in cabling and test fixtures.
When performing 6-wire ohms guard measurements, use the GUARD out-
put state. The OUTPut [1]:SMODe GUARd command is used to select the
GUARD output-off state.
NOTE See Section 2 for details on guarding.
Initialize memory
:INITialize
:SYSTem:MEMory:INITialize Initializes battery backed RAM
Description When this command is used, the following actions to initialize battery
backed RAM occur:
• TRACe (data store) data is lost, buffer size is reset to 100, and timestamp
is set to the absolute format.
• SOURce1:LIST:CURR and VOLT are reset to 0A and 0V, respectively.
• Deletes all user-defined math expressions. See CALCulate1.
• All 100 memory locations for a memory sweep are initialized to the
present setup configuration of the SourceMeter with CALC 1 disabled.
User-defined math expressions are replaced with the “Power” math
expression.
• The four standard save setups (*SAV0 - *SAV4) are initialized to the
present setup configuration of the SourceMeter.
• All CALCulate1 user-defined math expressions are deleted.