7. Find Number of Treads
[Stair]
45 TRDS
8. Find Tread Width
7 [Stair]
9-7/16 IN T-SZ
9. Find Underage/Overage
[Stair]
–1-5/16 IN T+/–
10.Find Stringer Length
[Stair]
45 FT 1-3/8 IN
STRG
11.Find Inclination Angle
[Stair]
38.10298 INC°
User’s Guide – 53