Troubleshooting guide

On the FLAMINGOS command line:
config.dither.kpno.pl Set up a sequence of images dithered about a common pointing center.
config.exposure.pl Set filename, storage directory, exposure time, and number of reads, as
well as several descriptive fields.
config.filter.grism.decker.wheels.pl Set up and move Filter or Decker wheel.
config.rel.mv.filter.grism.decker. Execute relative motion of Filter, Grism, or Decker wheel
wheels.pl
config.rel.mv.mos.wheel.pl Set the MOS wheel position (imaging = 10).
dither.source.kpno.pl Execute data acquisition in the selected pattern.
fast.singleimage.pl Take a single 1500 ms exposure time image.
more.singleimages.pl <n> Take n consecutive images with the present system configuration.
offset.kpno.pl <dra> <ddec> Offset telescope with respect to base pointing center.
relative.offset.kpno.pl <dra> <ddec> Offset telescope with respect to present pointing center.
set.bias.pl Set the detector bias voltage; shortcuts for imaging (i) and
spectroscopy (s) may be typed to select common values.
set.exposuretime.pl Set integration time (seconds) and number of reads only.
set.filename.pl Set the filename and data directory only.
singleimage.pl Take a single image with the present system configuration.
B. Wheel Setup for Imaging
FLAMINGOS has five wheels in its optical path, each containing various filters, pupil masks, and spectroscopic
slits. Hit the Update All Items button on the UFSTATUS GUI to determine the present location of the wheels.
In imaging mode the following configuration should be in place:
• Decker Wheel (motor a) should be set to imaging.
• MOS Wheel (motor b) should be set to imaging.
• Filter Wheel (motor c) should be set to one of the following bandpass filters: J, H, K, Ks, JH, HK.
• Lyot Wheel
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(motor d) should be set to 2.1-m.
• Grism Wheel (motor e) should be set to open1.
If all you plan to do is imaging, then it is not necessary to adjust the Decker or MOS wheels once they are set.
If the MOS wheel is not positioned correctly, use config.rel.mv.mos.wheel.pl [Move MOS Wheel]to select the
imaging aperture. Use engineering.config.filter.grism.decker.wheels.pl [Initialize Wheels](first motion) and
config.rel.mv.filter.grism.decker.wheels.pl [Move Wheels] to set the indicated wheels. The Lyot wheel should
not need to be adjusted. Each of these scripts will first query and then print the current motor positions.
• The MOS script will query if you wish to change the setup; answering "y" will cause a list of 17
named positions to appear. Type 10 to select the imaging position. Next, the script prints out a
detailed information window, the last bit of which shows the desired move. Answering "y" at this
point will issue the wheel motion command.
• The filter/grism/decker script will ask for the motor name (c, e, or a, respectively) before providing a
list of valid positions. Note that position 0 for each wheel is the home position. As with the MOS
script, the script will print out a detailed information window, the last bit of which shows the desired
move. Answering "y" at this point will issue the wheel motion command.
For both scripts the wheel motion status will be queried approximately every 5 seconds, and the result will be
5 If the power to the motor controller has been cycled, the GUI will claim that the Lyot wheel is at Hartmann1. The Lyot
wheel should have been set during the first engineering night of the FLAMINGOS run at the 2.1-m, and should not need
to be adjusted.
FLAMINGOS@2.1-m, Ver. 2.39, 2011 May 13 Page 20 of 46