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20 — C
ONSTRUCTION
M
ASTER
®
P
RO
/ T
RIG
/ D
ESKTOP
(Cont’d)
Note: You may set your calculator to display the jack rafter
lengths in either ascending or descending order (see Preference
Settings on page 89).
Note: You may program your calculator to “mate up” with the jack
rafters, rather than using the entered or default on-center spacing
for both sides (see Preference Settings on page 89).
ß 5
Store On-Center (o.c.) Spacing
— Used to store a
value
other than the default of 16 inches on-center
(e.g., 1 8 i ß 5 stores an 18-inch on-center)
for Jack Rafter calculations. Press ® 5 to review
the stored value.
Ç j
Irregular Side Jacks
— Operates same as j,
but displays the rafter values from the
irregular
pitched side first.
Rake-Wall Function
Ç r
Rake-Wall
— This function finds the stud sizes in a
rake-wall
based on calculated or entered values for
pitch, rise and/or run. Repeated presses of r will
display the various sizes. The sizes can be displayed
in either descending (from longest to shortest) or
ascending (from shortest to the longest) order,
depending upon your preference setting (see
Preference Settings on page 89). If a dimensional
value is entered before pressing Ç r, this value
will be taken as the rake-wall base size and auto-
matically added to the various rafter lengths.
ß 5
Store On-Center (o.c.) Spacing
— Used to store a
value
other than the default of 16 inches on-center
(e.g., 1 8 i ß 5 stores an 18-inch on-center)
for rake-wall stud calculations. Press ® 5 to
review the stored value.
4065UG-E-B 6/9/04 1:49 PM Page 20
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