Calculated Industries 4090 User Manual
Page 98
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To Change Desired Riser Height: If you wish to use a desired
Riser height of other than 7-1/2 Inches (the calculator’s default), sim-
ply enter a new value. For example, to enter eight Inches, enter
8
i Ç s. Press ® s to review your new entry. This
value will be permanently stored until you change it.
To Change Desired Tread Width: If you wish to use a desired
Tread width of other than ten Inches (the calculator’s default), simply
select a new value via the Preference Mode (press
Ç, then =
four times and use the
+ or – keys to increase/decrease by 1/4
Inch increments). This value will be permanently stored until you
change it.
To Change Desired Headroom: If you wish to use a desired
Headroom other than six Feet eight Inches (the calculator’s default),
simply select a new value via the Preference Mode (press
Ç,
then
= five times and use the + or – keys to increase/decrease
by one-Inch increments). See below example. This value will be per-
manently stored until you change it.
To Change Desired Floor Thickness: If you wish to use a desired
Floor Thickness of other than ten Inches (the calculator’s default),
simply select a new value via the Preference Mode (press
Ç,
then
= six times and use the + or – keys to increase/decrease by
one-Inch increments). This value will be permanently stored until you
change it.
KEYSTROKE
DISPLAY
1. Select Headroom via Preference Mode:
o o
0.
Ç = = = = =
HDRM 6
FEET
8
INCH
2. Decrease Headroom Height by two Inches:
– –
HDRM 6
FEET
6
INCH
3. Then increase Headroom Height by four Inches:
+ + + +
HDRM 6
FEET
10
INCH
4. Return Headroom Height to default of six Feet eight Inches:
– –
HDRM 6
FEET
8
INCH