RIGOL
© 2008 RIGOL Technologies, Inc.
Programming Guide for DM3000 Series
1-3
Symbol Instruction
1. Colon :
Commands usually begin with a colon (
:
). A colon (
:
) is used to separate a command
keyword from a lower-level keyword.
It shows the operation that a multimeter will
implement.
2. Blank Space
□
A Blank space is used to separate commands from the program data. If your
command does not need any program data, the blank space is not needed.
3. Interrogation ?
A query is formed by adding an interrogation (?) to the end of the commands. The
query commands usually include different data, and both of them usually divided by a
space
□
. But some commands don’t include data.
4. Braces { }
When several elements separated by a vertical line (|) are enclosed by braces, { },
only one element may be selected. For example, {ON | OFF} indicates that only ON or
OFF may be selected, not both.
5. Triangle Brackets < >
A item enclosed in < > should be replaced by a numerical value or character string.
