Note: groups.io will be down for maintenance on Wednesday, October 5th, starting at 9AM Pacific Time (4PM Wednesday October 5, 2022 UTC), for approximately one hour.
Here is a picture of the alignment marks on the 1100 mount. This mount was purchased in February, 2017.
FYI, those "setting circle" marks were done by hand. The mount did not come with them.
As for the availability of Park 5, I am anxiously waiting for the new keypad software version 4.19.5 to become available to those of us with GTOCP4 and older control boxes.