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5
T able 5-3. Command List (continued)
Command P arameter
Response
Unit Min Max Default Notes
:SYSTem
:DATe <value>, <value>, <value> Y ear ,Month,Day
:DATe? <value>/ <value>/ <value> Y ear/Month/Day
:ERRor? <value> -32768 32767
:TIMe <value>, <value>, <value> Hour ,Minute ,Second
:TIMe? <value>: <value>: <value> Hour:Minute:Second
:TRACe
:CATalog? <string> trace names
:POINts?
<trace name> <value> the number of points
[:DATa ]?
<trace name> <value>, <value>, . . . X- and Y-value
for each point
WAVEACT <value> W avelength in meters
y
These are specied minimum and maximum values . A ctual values depend on
the calibration of the instrument.
The Common Commands
The IEEE 488.2 standard has a list of reserved commands , called common
commands . These are the commands that start with an asterisk. Some of these
commands must be implemented by any instrument using the standard, others
are optional. The tunable laser source implements all the necessary commands ,
and some optional ones . This chapter describes the implemented commands .
Common Status Information
There are four registers for the common status information. Two of these are
status-registers and two are enable-registers . These registers conform to the
IEEE Standard 488.2-1987. Y ou can nd further descriptions of these registers
under \*ESE", \*ESR?", \*SRE", and \*STB?".
The following gure shows how the registers are organized.
Remote Commands 5-5