*STB?
Read Status Byte Query. Queries the condition register for the Status Byte Register group and returns a
decimal value equal to the binary-weighted sum of all bits set in the register.
A condition register continuously monitors the state of the instrument. Condition register bits are updated
in real time; they are neither latched nor buffered.
Parameter Typical Return
(none) +40
Read condition register (with bits 3 and 5 set):
*STB?
l Similar to a Serial Poll, but processed like any other instrument command. This register is read-only;
bits are not cleared when read.
l Returns same result as a Serial Poll, but the "Master Summary" bit (bit 6) is not cleared by *STB?.
l Power cycle and *RST clear all bits in the condition register.
*TRG
Triggers the instrument if TRIGger:SOURce BUS is selected.
Parameter Typical Return
(none) (none)
Return five DC voltage measurements, using a software trigger to start the measurements:
CONF:VOLT:DC
SAMP:COUN 5
TRIG:SOUR BUS
INIT
*TRG
FETCH?
Typical Response:+1.00520000E+01, … (5 measurements)
l After setting the trigger source, you must send INITiate to place the DMM in the "wait-for-trigger"
state. The *TRG command is not accepted unless the DMM is in the "wait-for-trigger" state.
Keysight Truevolt Series Operating and Service Guide
275
SCPI Programming Reference
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