Previous Version Changes - Lacerta M-GEN User Manual

Stand-alone autoguider
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 Camera can be turned ON and OFF manually on this page. The position of
the guiding window is memorized except between binning changes.
 The 'wait' time variable is moved to page 5. (Most of the users don't need
this at page 1.)
o The guiding window display mode can be changed now from all the pages.
o The guiding window display mode 'maxY' is renamed to 'profile' as the image
shown is the guiding image's (vertical) profile. This is NOT a histogram.
o The used threshold level is shown as an inverted horizontal line at the 'profile'
display mode. (See above.)
o The 'drifts' display mode uses ± 4 LCD pixels as the tolerance interval. If the drift
exceeds the display area (± 12 pixels for each axis) it means that drift reached the
'emergency interval', which is 3 times the tolerance interval.
o Guiding window is locked at guiding, otherwhise it follows the star.
o Text (detailed) error display. (Except some rare cases.)

2.1 Previous version changes

From 01.22:
o The AutoExposure's state and outputs are also stored into the open file. The
guiding curve ("drifts") is saved only when the AE is in the exposure state.
It belongs that the PC application version 1.22 generates a HTML format output
when downloading a file, which contains for all the exposures separately the
guiding curve as well as the spread of the guiding star positions and the
approximated tracking error of the mount (derived from the autoguider signals).
All the raw data is written into a CSV file for any user processing.
o The calibration has been moved to a new screen, on which the directions, speeds
and the orthogonality is displayed.
o When starting the autoguiding the latest position is not rounded to pixel center but
used the raw position directly for the new guiding center.
From 01.21:
o The menu structure has been changed a little bit. Some rarely used screen and
parameter is pushed "down the tree" while (for example) the guiding screen is now
accessible with only two SET keypresses from the main menu.
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