Power Meter Remote Operation 1
N1911A/1912A P-Series Power Meters Programming Guide 73
Using “*” Commands
Commands starting with a “*” are called common commands. They are
required to perform the identical function for all instruments that are
compliant with the IEEE- 488.2 interface standard. The “*” commands are
used to control reset, self- test, and status operations in the power meter.
Syntax Conventions
Throughout this guide, the following conventions are used for SCPI
command syntax.
• Square brackets ([]) indicate optional keywords or parameters.
• Braces ({}) enclose one or more parameters that may be included zero
or more times.
• Triangle brackets (<>) indicate that you must substitute a value for the
enclosed parameter.
• Bars (|) can be read as “or” and are used to separate alternative
parameter options.
Syntax Diagram Conventions
• Solid lines represent the recommended path.
• Ovals enclose command mnemonics. The command mnemonic must be
entered exactly as shown.
If you send two query commands without reading the response from the first, then attempt
to read the second response, you may receive some data from the first response followed
by the complete second response. To avoid this, do not send a query command without
reading the response. When you cannot avoid this situation, send a device clear before
sending the second query command.
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