Triggers are a1, a2 and a3
a3 has 4 textures: a3-1, a3-2, a3-3 and a3-4
I have added the ability to size the text to your liking
goto the "debug01" tab
go down till you find the mesh you want to alter the size
Mesh0 = A1
Mesh1 = A2
Mesh2 = A3-1
Mesh3 = A3-2
Mesh4 = A3-3
Mesh5 = A3-4
Under the mesh you want to alter change the value of ScaleAbsoluteX,
ScaleAbsoluteY and ScaleAbsoluteZ
changing from 1. to .25 will make the mesh 1/4 of original size, changing it to 4 will make it 4 times the regular size.
to change the value, click on the scale you need to change and click the "edit" button at the bottom.
here is what it will look like: