FETCh?
Waits for measurements to complete and copies all available measurements to the instrument's output buffer. The
readings remain in reading memory.
Parameter Typical Return
(none) -4.98748741E-01,-4.35163427E-01,-4.33118686E-
01,-3.48109378E-01
Use FETCh? with CONFigure and INITiate. The INITiate command places the instrument in the "wait-for-trigger"
state, triggers a measurement when the rear-panel Ext Trig input is pulsed (low by default), and sends the
measurement to reading memory. The FETCh? query transfers the measurement from reading memory to the
instrument's output buffer.
CONF:VOLT:DC 10,0.003
TRIG:SOUR EXT
SAMP:COUN 4
INIT
FETC?
l The FETch? query does not erase measurements from the reading memory. You can send the query multiple
times to retrieve the same data.
l You can store up to 1,000 measurements in the reading memory of the 34460A or 10,000 measurements on the
34461A. If reading memory overflows, new measurements will overwrite the oldest measurements stored; the
most recent measurements are always preserved. No error is generated, but the Reading Mem Ovfl bit (bit 14) is
set in the Questionable Data Register's condition register (see Status System Introduction).
l The instrument clears all measurements from reading memory when the measurement configuration changes, or
when any of these commands is executed:
INITiate
MEASure:<function>?
READ?
*RST
SYSTem:PRESet
108 Agilent Truevolt Series DMM Operating and Service Guide
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