Programming Guide

Digital Oscilloscopes Series

Command Notation

The following notation is used in the commands:

< > Angular brackets enclose words that are used as placeholders,

of which there are two types: the header path and the data

parameter of a command.

: = A colon followed by an equals sign separates a placeholder

from the description of the type and range of values that may

be used in a command instead of the placeholder.

{} Braces enclose a list of choices, one of which one must be

made.

[ ] Square brackets enclose optional items.

… An ellipsis indicates that the items both to its left and right

may be repeated a number of times.

As an example, consider the syntax notation for the command to set

the vertical input sensitivity:

<channel> : = {C1, C2, C3, C4}

<v_gain>: = 2 mV to 10 V

The first line shows the formal appearance of the command, with

<channel> denoting the placeholder for the header path and

<v_gain> the placeholder for the data parameter specifying the

desired vertical gain value. The second line indicates that one of four

channels must be chosen for the header path. And the third explains

that the actual vertical gain can be set to any value between 2 mV

and 10 V.