If you've never had the pleasure this is the sweetest beast ever.
It can be remarkably easy or unbearably difficult to level up.
I love the girl.
Frank Casey levels the split bubbles
Behind Frank you can see waterline marks on the Jersey Barriers from our "friend" Sandy.
Looking down the peg line at the 2 and 3 meter invar rods.
Andrew Speranza and John Reilly (behind) check the manual and check the numbers.
A few resources.
Setting up an N3 with a video;
http://www.precisionequipmentrental.com/training-setting.php
An N3 tutorial with special emphasis on the split level bubble;
http://www.shooterplus.com/n3setup/n3_1_3d.html
The Wild Heerbrugg N3 PDF;
http://www.culaciati.cl/folleto/WILD%20N3.pdf
More evidence of Sandy's passage.
Waterlines on the outside deck retaining wall of a bar.
On a building
On a fenceline
Thank you Scott, et al.