Connect-Tek USB-2 Spécifications télécharger pdf (Page 19)

100

101

Command Syntax

Queries

Queries cause t

he oscilloscope to return status or setting information. Queries

have the structure:

[:]<Header>

[:]<Header>[<Space><Argument > [<Coma><Argument>]...]

You can specify a query command at any level within the command tree unless

otherwise noted. These branch queries return information about all the mnemonics

below the sp

eciﬁed branch or level.

Headers

Use the HEADer command to control whether the oscilloscope returns headers as

part of the query response. If header is on, the query response returns command

headers,

then formats itself as a valid set command. When header is off, the

response includes only the values. This may make it easier to parse and extract the

information from the response. The table below shows t he difference in responses.

Table 2-3: Comparison of Header Off and Header On Responses

Query Header Off Header On

TIME?

14:30:00 :TIME “14:30:00”

ACQuire:NUMAVg?

100

:ACQUIRE:NUMAVG 100

MSO2000B, DPO2000B, MSO2000 and DPO2000 Series Oscilloscopes Programmer Manual 2-3

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