Calculated Industries 4045-B - Manual (Page 42)

42 — Construction Master IV
(Cont’d)
4. Find Regular Jack Lengths
16 [Inch] [Jack] OC 16 IN
[Jack] JK1 16 FT 3-5/16 IN
[Jack] JK2 14 FT 6-1/8 IN
[Jack] JK3 12 FT 9 IN
[Jack] JK4 10 FT 11-13/16 IN
[Jack] JK5 9 FT 2-5/8 IN
Etc......Continue pressing [Jack] until
last regular jack or “0.” is reached.