TEST MALIGN ON ESI DETECTOR

1)  Starting parameters.

See the following URL for a detailed description of how to determine the
starting parameters for MAlign:

http://www2.keck.hawaii.edu:3636/realpublic/inst/tools/Calibrating_MAlign.html

2)  Two-sided MAlign

Once MAlign can successfully and automatically identify the segemnts,
test two-sided MAlign by taking two images with positive pmfm and two 
with negative pmfm.  A value of 350 nm is likely to give good results.
Remember that only a 512x512 or smaller image segment can be used!

Analyze the four images and record the numbers.  SEND ONLY PISTON AND
TILT MOVES!

Repeat after moves have been sent, and confirm that the resulting piston
and tilt moves from the second MAlign are small.  The stack error should
be approximately the same.

3)  One-sided MAlign

See Mike DiVittorio.

4)  MAlign on guider field.

Repeat 1 and 2 above on the guider.  Be on the lookout for vignetting, which
will manifest itself by missing or faint segments, in particular the outer
rings.

Follow a science-detector MAlign with a guide camera MAlign to measure the
focus offset between the two, or to tweak up the guide camera focus.

5)  Focus through various filters.

Perform a 2-sided MAlign through various filters to measure the focus offsets
between them.  In general one would choose a fiducial filter, run MAlign and
send the moves, then run MAlign through the other filters WITHOUT sending the
moves.

6)  MAlign vs. rotator

Choose a star at an elevation of ~70 degrees.  Take two-sided MAlign data at
rotator position angles of 0, 30, 60, ..., 300, 360 degrees.  DO NOT SEND ANY 
MOVES!  Record the piston and tilt offsets at each rotator p.a., and the frame
numbers for further analysis.

7)  MAlign vs. elevation

With the rotator in STATIONARY mode at 0 degrees, run a 2-sided MAlign on 
stars at 80, 70, 60, 50, 40, 30, and 20 degrees elevation.  DO NOT SEND ANY 
MOVES!  Record the piston and tilts at each elevation, and the frame numbers 
for further analysis.