A-4 Programming Guide
Commands and Queries
OFF Turn Off Pump Laser
Turns off the pump diode laser, but the oven temperatures are maintained for a quick
warm-up time. To turn off the laser system entirely, refer to the SHUTDOWN command.
NOTE: The shutter is closed when the OFF command is issued.
IRSHUTter n (1, 0)
IRSHUTter? Open/Close Fixed IR Beam Shutter
NOTE: This command/query only applies when the 1045 nm option is installed.
IRSHUTter 1 opens the fixed IR beam shutter.
IRSHUTter 0 closes the fixed IR beam shutter.
IRSHUTter? reads and returns the last fixed IR beam shutter command sent.
To determine the actual shutter status, use the *STB? command. When issuing *STB? to
determine shutter position, it is normal for the system to return 0 for approximately 1
second after issuing the IRSHUTter
1 command or, likewise, to return 1 after issuing the
IRSHUTter
0 command.
LCD:BRIGhtness n (50, 255)
LCD:BRIGhtness? Set/Query LCD Brightness
Sets the power supply LCD screen back illumination brightness level. When set, the
system remembers the user’s set point any time the power supply is cycled.
MODE RUN
MODE ALIGN
MODE? Set/Query Operating Mode
Sets the system mode as follows:
MODE RUN sets the laser to standard operating mode.
MODE ALIGN sets the laser to low power so that it is easier and safer to align the
optical beam through a microscope. Note that the laser does not necessarily meet
mode quality or divergence specifications at the low power.
MODE? returns the current mode of operation, either RUN or ALIGN.
READ:AHIStory? Query History Buffer
Returns the contents of the history buffer (16 numeric codes) that indicate the various
conditions of the system since the last power-on condition. The history buffer lists the
most recent status codes first.
Appendix B, “Status Codes,” contains a list of status and
fault codes.
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