1) Find a suitable surface
Choose a large vertical surface without obstacle where to place your Scribit.
2) Place the first nail
Put the nail inside the first hole of the measuring tape. Hammer the nail at the highest reachable spot of the wall (use a ladder).
3) Place the second nail
Put the second nail inside one of the other holes of the measuring tape. Hammer the nail at the same height as the first one.
4) Place the strings
While keeping Scribit in one hand, place the little hook in the end of the string on one of the nails that you have placed on the wall. Place the second little hook in the end of the other string on the nail that you have placed on the other side of the wall.
5) Check Scribit's adherence to the surface
Make sure Scribit completely adherence to the vertical surface. To achieve this, change the string position like shown in the picture.
6) How to place markers
Take the cup off your markers and push them gently in the markers' holder until the highlighted line.
7) Plug-in Scribit