Keithley 2002

Measurement units (ACV and TEMP)
:UNIT UNIT Subsystem
:TEMPerature <name> Select units for TEMP: C, F, or K.
:VOLTage Path to configure units for ACV:
:AC <name> Select units for ACV: V, DB, or DBM.
:DB Path to set dB reference voltage:
:REFerence <n> Specify reference (volts): 0.001 to 750.
:DBM Path to set dBm reference impedance:
:IMPedance <n> Specify reference (Ω): 1 to 9999.
Data store (Buffer)
:TRACe TRACe Subsystem
:EGRoup <name> Select element group: FULL or COMPact.
:POINts <n> Specify buffer size.
:FEED <name> Select reading source: SENSe, CALCulate or NONE.
:CONTrol <name> Select control mode and enable buffer: NEVer, NEXT,
ALWays or PRETrigger.
Note: See User’s Manual to use
:PRETrigger.
Open/close channels and scan
:ROUTe ROUTe Subsystem
:CLOSe <list> Close specified channel.
:STATe? Query the closed channel.
:OPEN <list> Open specified channel.
:OPEN:ALL Open all channels.
:SCAN Path to control scanning (see note):
[:INTernal] <list> Specify internal scan list: 2 to 10 chans.
:EXTernal <list> Specify external scan list: 2 to 80 chans.
:LSELect <name> Enable the specified scan: INTernal, EXTernal, RA-
Tio
, DELTa or NONE (see note).
Note: See User’s Manual to use
:RATio and :DELTa.
IEEE-488 Bus Operation 3-15