Agilent Technologies InfiniiVision 3000 DSO-X 3054A Manuale di Servizio Pagina 263

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263
Agilent InfiniiVision 3000 X-Series Oscilloscopes
Programmer's Guide
14
:EXTernal Trigger Commands
Control the input characteristics of the external trigger input. See
"Introduction to :EXTernal Trigger Commands" on page 263.
Introduction to
:EXTernal Trigger
Commands
The EXTernal trigger subsystem commands control the input
characteristics of the external trigger input. The probe factor, impedance,
input range, input protection state, units, and bandwidth limit settings
may all be queried. Depending on the instrument type, some settings may
be changeable.
Reporting the Setup
Use :EXTernal? to query setup information for the EXTernal subsystem.
Return Format
The following is a sample response from the :EXTernal query. In this case,
the query was issued following a *RST command.
:EXT:BWL 0;RANG +8E+00;UNIT VOLT;PROB +1.000E+00
Table 74 :EXTernal Trigger Commands Summary
Command Query Options and Query Returns
:EXTernal:BWLimit
<bwlimit> (see
page 264)
:EXTernal:BWLimit?
(see page 264)
<bwlimit> ::= {0 | OFF}
:EXTernal:PROBe
<attenuation> (see
page 265)
:EXTernal:PROBe? (see
page 265)
<attenuation> ::= probe
attenuation ratio in NR3 format
:EXTernal:RANGe
<range>[<suffix>]
(see page 266)
:EXTernal:RANGe? (see
page 266)
<range> ::= vertical full-scale
range value in NR3 format
<suffix> ::= {V | mV}
:EXTernal:UNITs
<units> (see
page 267)
:EXTernal:UNITs? (see
page 267)
<units> ::= {VOLT | AMPere}
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