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Procedure: Acquire Flat
Introduction
This procedure samples the mean shape of the mirror.
Standard Procedure:
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Back-up Procedure:
Should the standard procedure be unsuccessful, the following back-up procedure
can be performed:
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Execute the following commands from the shaneao command set
running on real.ucolick.org.
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Note current value of gain:
gain('?')
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Set gain to a low value, e.g.
gain(0.05)
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Allow several (e.g. 3 to 10) cycles for system to stabilize.
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Sample the mean shape of the mirror:
save_flat()
File is saved to date and time stamped file:
~/parameterFiles/actuator_defaults_LGS.fits.20XXMMDDHHMMSS
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Restore value of gain to initial value, e.g.
gain(0.3)
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Set mirror to mean shape:
flat()
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