POCKET REFERENCE GUIDE — 39
Stairs — Riser Limited Function
Calculate stairs using the Riser Limited
function, if you must limit the riser Height
to 7-1/2 Inches:
KEYSTROKE DISPLAY
1. Enter rise and run:
o o 0.
1 0 f 1 i h
HGHT 10 FEET 1 INCH
1 2 f 5 i l
LNTH 12 FEET 5 INCH
2. Recall stored 7-1/2” desired riser Height
and find stair values:
® 7
R-HT 7-1/2 INCH
Ç s R-HT 7-1/8 INCH
s RSRS 17.
s
R+/– 0-1/8 INCH
s T-WD 9-5/16 INCH*
s
TRDS 16.
s
T+/– 0 INCH
s OPEN 9 FEET 9-5/8 INCH
s STRG 15 FEET 7-5/8 INCH
s INCL 37.42°
* in the display means that the calculated riser
Height exceeds the desired (stored) riser Height, or
the calculated tread Width is below the desired
(stored) tread Width.
STORED
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