Connect-Tek USB-2 Spécifications télécharger pdf (Page 23)

Command Syntax

Measurement Speciﬁer

Mnemonics

Commands can sp

ecify whic h measurement to set or query as a mnemonic in the

header. Up to four automated measurements may be displayed.

Table 2-8: Measurement Speciﬁer Mnemonics

Symbol Meaning

MEAS<x> A measurement speciﬁer; <x> is 1 through 4.

Channel Mnemonics

Commands specify the channel to use as a mnemonic in the header.

Reference Waveform

Mnemonics

Commands can specify the reference waveform to use as a mnemonic in the

header.

Table 2-9: Reference Waveform Mnemonics

Symbol Meaning

REF<x>

A reference waveform speciﬁer; <x> 1 or 2. The MSO/DPO2000B and

MSO/DPO2000 series provides only two REF waveforms regardless of

whether the instrument is a 2 or 4 channel model.

Argument Types

Numeric

ny oscilloscope commands require numeric arguments. The syntax shows

the format that the oscilloscope returns in response to a query. This is also the

preferred format when sending the command to the o scilloscope though any of

the formats will be accepted. This documentation represents these arguments as

described below.

Table 2-10: Numeric Arguments

Symbol Meaning

<NR1>

Signed integer value

<NR2> Floating point value without an exponent

<NR3> Floating point value with a n exponent

<bin>

Digital data in binary format

Most num

eric arguments will be automatically forced to a valid setting, by either

rounding or truncating,, when an invalid number is input, unless otherwise noted

in the command description.

Quoted String

Some commands accept or return data in the form of a quoted string, which is

simply a group of ASCII characters enclosed by a single quote (') or double quote

("). The following is an example of a quoted string:

"This i s a quote d

string"

. This documentation represents these arguments as follows:

MSO2000B, DPO2000B, MSO2000 and DPO2000 Series Oscilloscopes Programmer Manual 2-7

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 440 441

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