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6482-901-01 Rev. A / August 2012
Section 12: Remote Operations
Model 6482 Dual-Channel Picoammeter / Voltage Source Reference Manual
stays on until the serial poll byte is read or all the conditions that caused SRQ have been cleared.
See
for more information.
LOCAL key
The LOCAL key cancels the remote state and restores local operation of the instrument.
Pressing the LOCAL key also turns off the REM indicator and returns the display to normal if a
user-defined message was displayed.
If the LLO (local lockout) command is in effect, the LOCAL key is also inoperative.
For safety reasons, the OUTPUT key can be used to turn the output off while in LLO.
Programming syntax
The information in this section covers syntax for both common commands and SCPI commands.
For information not covered here, see the IEEE-488.2 and SCPI standards. See
and
for more details on common and SCPI commands, respectively.
Command words
Program messages are made up of one or more command words.
Commands and command parameters
Common commands and SCPI commands may or may not use a parameter. The following are
some examples:
*SAV <NRf>
Parameter (NRf) required
*RST
No parameter used
:CALCulate1:STATe <b>
Parameter <b> required
:SYSTem:PRESet
No parameter used
NOTE
At least one space between the command word and the parameter is required.
Brackets [ ]
: Some command words are enclosed in brackets ([ ]). These brackets are used to
denote an optional command word that does not need to be included in the program message. For
example:
:INITiate[:IMMediate]
These brackets indicate that :IMMediate is implied (optional) and does not have to be used. Thus,
the above command can be sent in one of two ways:
:INITiate
or
:INITiate:IMMediate
Notice that the optional command is used without the brackets. When using optional command
words in your program, do not include the brackets.
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