Yes. The small lines 
Ah... It says in the guide here:
http://foc-u.co.uk/index.php/topic,91.0.html
Max difference is 10Hg (about 2 1/2 lines)

Ah... It says in the guide here:
http://foc-u.co.uk/index.php/topic,91.0.html
Max difference is 10Hg (about 2 1/2 lines)