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General Principles
DO NOT use
control-cto stop a script, this can leave the instrument in an unsafe state. Usekpfconfig.SCRIPTSTOPto request a stop (also available as a button in the KPF OB GUI).
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Setting SCRIPTSTOP to “Yes” will request that the running script terminate in an orderly fashion. This may take several minutes depending on when the running script reaches a sensible breakpoint. It is important to use SCRIPTSTOP to halt a script (instead of hitting ctrl-c) because cleanup actions will be performed after a SCRIPTSTOP (e.g. turning off laps to preserve their lifetime).
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The agitator can be reenabled by simply setting the keyword to “Yes”. This should only be done by WMKO staff and should only be done if the agitator is fully functional. A broken or misbehaving agitator mechanism presents a significant danger to the science fibers.
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The cal source has likely been disabled for a reason. Reenabling it should only be done by WMKO staff with knowledge of why it was disabled in the first place.
SlewCal or Simultaneous Calibration Source is Wrong
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These two sources are set from the same place and are always kept to the same value using the kpfconfig.SIMULCALSOURCE keyword.
Solution
This value should only be changed by WMKO staff. The choice of calibration source is influenced by our desire to maintain the lifetime of the various lamps and calibration sources and by the need for warmup times on certain sources. This is not something the user should adjust, contact a WMKO Staff Astronomer if you feel it is set incorrectly.
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The detector has likely been disabled for a reason. Reenabling it should only be done by WMKO staff with knowledge of why it was disabled in the first place.
Detector Fails to Trigger Without Error
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where path is the directory where the L0 files should be written (e.g., /sdata1701/kpfeng/DATE/L0), NNNNN is the first FRAMENO (a header keyword for Green and Red FITS images and an index which is incremented with each exposure; e.g. 33015), and MMMMM is the last FRAMENO in a range of files (e.g., 33020). The final argument is optional if only one L0 file needs to be generated.
If L0 files are deprecated and may be deprecated when switching to fast-readout mode. The observers may find broken L1/L2 files, and the L0 files are missing green/red/CaHK components. If L0 files needed to be regenerated, it is better to write to a new directory (e.g., /sdata1701/kpfeng/DATE/new_L0 ), and inform Jeff Mader so he can ingest the new L0 files to Keck Observatory Archive.
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