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User Manual 301/302
sequence advance modes. Before you start using this input, make
sure that the trigger level and trigger slope are programmed correctly
to match your external trigger signal.
INT specifies using the internal trigger generator as the sequence
advance source. The internal trigger generator produces repetitive,
continuous, and asynchronous trigger signals at intervals set by the
user. This source can be selected if an external source is not
available. Trigger intervals are programmable from 20µs to 1000s.
The internal trigger source may be used to advance all sequence
advance modes.
The query:
SSEQuence:ADVance:SOURce?
Queries the sequence advance source and returns INT or EXT.
Sequenced sequences advance through triggers only. Advance
source may be selected from an internal trigger generator or from an
external trigger source. Use the following command to select the
advance source for the sequenced sequence macro table:
MSEQuence:ADVance:SOURce {INTernal | EXTernal}
EXT is the default trigger source where triggers are applied to the
front-panel trigger input. Before you start using this input, make sure
that the trigger level and trigger slope are programmed correctly to
match your external trigger signal.
INT specifies using the internal trigger generator as the sequence
advance source. The internal trigger generator produces repetitive,
continuous, and asynchronous trigger signals at intervals set by the
user. This source can be selected if an external source is not
available. Trigger intervals are programmable from 20µs to 1000s.
The query:
MSEQuence:ADVance:SOURce?
queries the sequenced sequences advance source and returns INT or
EXT.
Generating
Sequenced
Sequences with
Previous parts of this manual show how to create segments and then
how to build a table that is using these segments to generate a
sequence. There is an added capability in the Model 301/2 that takes
you even further; It allows you to build up to 16 different sequences,
Configuring The Instrument
68
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