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Command Separator A colon (:) always separates one command from the next lower level
command as shown below:
ROUTe:SCAN:MODE VOLT
Colons separate the root command from the second-level command
(
ROUTe:SCAN) and the second-level from the third-level (SCAN:MODE
VOLT
). The parameters of a command are separated from the command by
a blank space.
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. You may use upper or lower
case letters. Therefore,
MEASURE, measure, and MeAsUrE are all
acceptable.
Command keywords can be entered in their full form, as shown above, or
can be entered in their short form. In this manual, the entry required in
short form commands is always capitalized. The short form is generally
used for examples in this manual.
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 and
are not sent 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 this excerpt from the
[ROUTe:] subsystem
shown below:
[ROUTe:]
SCAN <
channel_list>
:MODE <
mode>
:MODE?
:PORT <
port>
Both the root command [ROUTe:] is an implied command. To set the
instrument’s scanning list, you can send either of the following command
statements:
ROUTe:SCAN (@100:115) or SCAN (@100:115)
Note You must include a space between the keywords and any parameters.
54 HP E1351A/53A 16-Channel FET Multiplexer Command Reference Chapter 5