My scanners displaying test pattern

[andy_con]

ah ok cheers

im taking it very easy dont worry

[mixedgas]

ah ok cheers

im taking it very easy dont worry

leave offset, position scale, and postion balence alone, those are factory tuned for each galvo, !! You want to bring x axis size aka input gain up a little until the squares match.

Steve

[andy_con]

im convinced twisting the popts does nothing at all!!!

maybe its just me

[andy_con]

ok the input gain took alot of turning just to get the image wider

but looks much beter now

[carmangary]

Those are probably 10 turn pots so don't expect to see much change by turning one 1/8 of a turn or so.

[andy_con]

ah i see, so i need to turn a bit more than normal

[mixedgas]

play with gentle moves of LF and HF damping on the Y (vertical) axis and I Think your close! Do LF first. See if that clears it up, Then HF Then LF THEN HF......

then see if there is any major curvature in large diagonal lines . If so, then let us know.

Steve

[andy_con]

this seems a useful page

http://www.laserfx.com/Backstage.Las...Scanning3.html

[carmangary]

Yea, that's what I used as a reference to tune mine.

[mliptack]

All this talk about tuning makes me want to attempt it as well. I have always been very hesitant about it, waiting for someone who knows what they are doing to hold my hand through the process.

Just a few questions the red glue on the pots, should I leave them off to break the glue, or is it easy enough to break the glue that it would be hard to damage them if they are on (And running) and the glue causes the screw to jump?