Hi Marcel,
There are a lot of issues currently with the latest nightly build in regard to other drivers (see the forum). Jasem is in the process of making the appropriate changes. Be aware that you may get problems related to this issue. Watch the forum and do a further upgrade of the nightly version once Jasem has uploaded the changes.

Now the likely issue is related to your version L firmware. See this link to info about the AP drivers
www.indilib.org/telescopes/astrophysics.html
This suggests that the AP experimental driver will only work for versions V and above (Mine is V13). Unless you upgrade your firmware to the V version you should really be using one of the other versions.
I think that other versions do work but they don't have full functionality (I am not familiar with the changes but I think they relate to parking behaviour etc).
Updating the firmware is relatively simple
Here is the link to the AP site info.
www.astro-physics.info/index.htm?tech_su...ad_update/controlbox
Maybe one of the users of the GTOCTP3 could advise?

Mike

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