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
TM

Stairs — 
You’re building a stairway with a total rise of 9 Feet 11 Inches. Your
desired riser height is 7-1/2 Inches and desired tread width is
-

*Headroom and floor thickness are required to calculate the length of the stairwell
opening.
KEYSTROKE DISPLAY
1. Enter known Rise:
o o 0.
9 f 1 1 i r RISE 9 feet 11 inch
2. Recall stored desired stair riser height:
® 7 R-HT
STORED
7-1/2 inch
3. Recall stored desired stair tread width:
® 9 T-WD
STORED
10 inch
4. Recall stored desired floor thickness:
® 8 FLOR
STORED
10 inch
5. Display stored Headroom (via Preference Setting Mode):
Ç ß ß ß ß HDRM 6 feet 8 inch
6. Find riser height, number of risers, riser underage/overage, tread
width, number of treads, tread overage/underage, length of stairwell
opening, stringer length and angle of incline. As a final step, calcu-
late the run.
s R-HT 7-7/16 inch
s RSRS 16.
s R+/– 0 inch
s T-WD
STORED
10 inch
s TRDS 15.
s T+/– 0 inch
s OPEN 10 feet 1 inch
s STRG 15 feet 6-15/16 inch
s INCL 36.64°
s RUN 12 feet 6 inch
s* RISE
STORED
9 feet 11 inch
*Continuous presses of s will also recall stored desired riser height, tread, head-
room and floor thickness values.
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