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Chapter 5 Instructions of Command Sets
TRIGger Subsystem:
TRIGger:SOURce < BUS | REFreshhold | IMMediate >
TRIGger:SOURce?
TRIGger:REFreshhold:COUNt <numeric>
TRIGger:REFreshhold:COUNt?
ABORt
INITiate
Description Select the source of the start trigger signal.
Parameter
BUS - select a bus command and enter the trigger (hold)
mode.
REF - select a refresh-hold trigger source and enter the trigger
mode
IMM - select the internal trigger source and escape the trigger
mode.
Example
TRIG:SOUR BUS
• If BUS or REF is selected when the recording and peak hold functions
are enabled, they are disabled.
• The threshold for the refresh-hold function must be set before selecting
BUS or REF.
• When the threshold of the refresh-hold mode is zero(OFF), the parameter
REF is invalid. Contrary, the parameter BUS is invalid when the threshold
of the refresh-hold mode is not zero(OFF).
Description Query the type of the trigger source.
Response Return <Literal> format string:
BUS, REF, IMM
Description Set the threshold for the refresh hold mode.
Parameter
<numeric>: 0, 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000.
Stored in non-volatile memory.
Description Query the threshold of the refresh hold mode.
Response Return <NR1> format string: 0 to 1000.
Description When the trigger hold function is enabled (TRIG HOLD
displayed), the displayed value is reset and measurement is
stopped. Measurement does not resume until a subsequent
INIT or READ? command is sent, or when the HOLD key is
pressed.
Description Acquires one sample when the trigger hold function is enabled
(TRIG HOLD displayed). Valid when TRIGger:SOURce is set
to BUS.
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