Vidia-Discrete
Computer Control • 27
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The controller returns “OK” for properly executed set commands.
•
If unable to carry out a command, the controller will use one of the
following responses:
•
“Out of Range” if the given value is outside the allowed range.
•
“Unknown Command” if the command is not recognized.
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“Initializing” if the system is booting up.
•
“Operation not complete” if the laser is performing a long-
term operation (e.g. turning on the diode or scanning).
•
“Can’t scan in TRACK mode” if you try to initiate a scan while
the laser is in track mode.
•
“Not in interactive step mode” if you try to initiate a step while
not in interactive step mode.
•
“Offset out of Range: -2.5nm to 2.5nm” if you enter a
wavelength-offset value outside of this range.
•
“Trim Out of Range: 0.85 to 1.15” if you enter a power-trim
value outside of this range.
Conventions
These typographical conventions are used in the following “Command
Summary” and “Command Definitions” sections.
•
The part of the command shown in uppercase represents the short
form of the command. The commands are case insensitive.
If the syntax shown is “:SOURce:CURRent?”, then the controller
will accept any of the following: “:SOUR:CURR?”, “:sour:curr?”, or
“:sour:current?”. It will not accept commands such as
“:SOURC:CURR?” or “:sour:curre?”.
•
Optional values and portions of syntax are indicated by square
brackets ([ ]).
•
Values to be input are indicated by angle brackets (< >) and are
separated from the command either by a space or by a colon, as
shown in the command syntax.
•
Commands all begin with an asterisk character, “*”,or a colon, “:”.
These characters are not optional.
64X7 rev E.fm Page 27 Tuesday, April 3, 2001 4:16 PM
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