Ortur master with Y axis rotary jig

Hi, I have a Ortur Master 1 laser engraver, it works well with Lightburn and has done for some time. I have just added their Y-axis rotary roller jig, connected the Y axis lead as per their documentation., however when it comes to the operating it something appears to be going wrong. It will not go to the home position when requested, it almost seems that the working area has been greatly reduced! it seems to have a mind of its own.
My question is: is this rotary jig only suitable with using the manufactures supplied Lasergrbl software of are there some setting changes to be made to my preferred Lightburn.

Thanks in advance.

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