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68 Multimeter Command Reference Chapter 3
Command
Separator
A colon (:) always separates one command from the next lower level command as
shown below:
CALibration:SECure:STATe?
Colons separate the root command from the second level command
(
CALibration:SECure) and the second level from the third level (SECure:STATe?).
Abbreviated
Commands
The command syntax shows most commands as a mixture of upper and lower case
letters. The upper case letters indicate the abbreviated spelling for the command. For
shorter program lines, send the abbreviated form. For better program readability, you
may send the entire command. The instrument will accept either the abbreviated
form or the entire command.
For example, if the command syntax shows
MEASure, then MEAS and MEASURE
are both acceptable forms. Other forms of
MEASure, such as MEASU or MEASUR
will generate an error. Additionally, SCPI commands are case insensitive. Therefore,
you may use upper or lower case letters and commands of the form
MEASURE,
measure, and MeAsUrE are all acceptable.
Implied
Commands
Implied commands are those which appear in square brackets ([]) in the command
syntax. (Note that the brackets are not part of the command; do not send them to the
instrument.) Suppose you send a second level command but do not send the
preceding implied command. In this case, the instrument assumes you intend to use
the implied command and it responds as if you had sent it. Examine the partial
[SENSe:] subsystem shown below:
[SENSe:]
FUNCtion “<
function>” (e.g., <function> = VOLT:AC)
FUNCtion?
RESistance
:RANGe <
range>|MIN|MAX
:RANGe? [MIN|MAX]
The root command SENSe is an implied command. For example, to set the multimeter’s
function to AC volts, you can send either of the following command statements:
SENS:FUNC “VOLT:AC” or FUNC “VOLT:AC”