Sonin InchMate+ DT110 Reference Manual Download Page 1

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Reference Guide

Professional

Foot / Inch / Fraction

Calculator

SONIN INC.

Phone: 800-223-7511 Website: www.sonin.com
© 2003 Sonin Inc. All Rights Reserved

Printed in China

110-1400-0070 Rev.2

InchMate

Model DT110

InchMate

Introduction

............................................... 2

Getting Started

......................................... 3

Key Pad Information

General Purpose Keys .............................. 5

Dimension Keys ........................................ 7

Triangle Keys ............................................. 8

Example Problems

Working In Inches & Fractions ................. 10

Normal Calculator Use ............................. 11

Carpentry - Rough Opening .................... 12

Carpentry - Rafter Length ........................ 13

Carpentry - Stair Risers ........................... 14

Carpentry - Board Cutting ........................16

Carpentry - Joist Numbers .......................17

Roof Rise ................................................ 18

Roof Slope - Given Rise & Run .............. 19

Squaring a Foundation ........................... 20

Masonry - Brick Coursing ........................ 21

Area of a Bearing Plate ........................... 22

Area of a Circle ....................................... 23

Area of a Rectangle ................................ 24

Area of a Square ..................................... 25

Matting a Picture ..................................... 26

Converting Dimensions ........................... 27

Reference

Chaining ................................................... 28

Rounding ................................................. 29

Error / Overflow ........................................ 30

Care and Batteries ................................... 31

Appendix

Conversions ............................................. 32

Area Formulas ......................................... 33

Volume Formulas ..................................... 34

Lumber Sizes ........................................... 35

FCC Statement & Warranty ..................... 36

CONTENTS

- 1 -

INTRODUCTION

- 2 -

If you build or design things you know the

importance of working with accurate dimensions.

The most frustrating and costly construction

headaches can usually be traced to dimensional

errors.

is a calculator for people who work

with dimensions. The simple measurements

Foot-Inch-Fraction

(or

fif

) you make with rulers

and tape measures become difficult and tedious

when you try to add and subtract them ... let alone

multiply and divide.

calculates these dimensions

automatically.

was designed to be incredibly easy

to use. It has a patented "self-prompting" system

leading you through the process of entering

Foot-

inch-Fraction

(or

fif

) dimensions.

accepts inputs to 1/16"... the practical

limit of accuracy for common building and design

projects.

All manuals and user guides at all-guides.com

all-guides.com

Summary of Contents for InchMate+ DT110

Page 1: ...r Overflow 30 Care and Batteries 31 Appendix Conversions 32 Area Formulas 33 Volume Formulas 34 Lumber Sizes 35 FCC Statement Warranty 36 CONTENTS 1 INTRODUCTION 2 If you build or design things you know the importance of working with accurate dimensions The most frustrating and costly construction headaches can usually be traced to dimensional errors INCHMATE is a calculator for people who work wi...

Page 2: ... upper half of the FRACTION is blinking Press 1 1 and 16 to complete the entry The first dimension 2 9 11 16 now appears in the display just as you would write it The function and second dimension are entered in the same left to right order beginning with the function sign Press Answer 1 1 7 ENTER 5 3 5 4 ENTER 7 16 20 3 5 KEY PAD INFORMATION GENERAL PURPOSE KEYS on off Turns calculator ON and OFF...

Page 3: ...ENTER When in fif mode this key ends a FEET or INCH entry and advances to the next input position 2 4 8 16 When in fif mode these denominator keys will complete your FRACTION entries 2nd FN A fif if Changes display format between Foot Inch Fraction fif and Inch Fraction if Functional only when starting in the fif or if modes Puts calculator into the number modes where it works as a normal calculat...

Page 4: ...d the total 39 5 8 147 3 16 From the Foot inch Fraction mode Press Note From now on all entries will be in inches and fractions Press Answer To return to Foot inch Fraction mode Press If there is a value in the display it will toggle between the fif and if formats 3 9 ENTER 5 8 ENTER 1 1 4 7 5 3 16 13 16 186 2nd FN A fif if 2nd FN A fif if 11 EXAMPLE PROBLEM NORMAL CALCULATOR USE 56 75 x 18 From a...

Page 5: ... the 4 variables associated with this right triangle C diagonal run A 12 2 1 2 rise B 4 6 1 4 2 ENTER 1 2 ENTER A 1 2 6 ENTER 4 ENTER B 1 4 C 1 4 13 0 14 EXAMPLE PROBLEM CARPENTRY STAIR RISERS Given 8 10 3 4 for a Floor to Floor dimension how many risers will be required approximately 8 high What is the exact height of each riser Press Remember Store in memory for later use Press Answer Remember T...

Page 6: ... PROBLEM CARPENTRY BOARD CUTTING How many 9 1 2 pieces can be cut from a 16 long 2 x 4 Press Answer Round down to twenty whole pieces 16 0 20 210526 1 6 9 4 ENTER 5 1 2 ENTER 17 EXAMPLE PROBLEM 32 4 CARPENTRY JOIST NUMBERS Find the number of joists on 16 centers needed for a 32 4 long room Press Answer Add 1 for the end 25 25 and round up to 26 24 25 5 1 6 ENTER 2 3 4 4 ENTER All manuals and user ...

Page 7: ...g the or keys 13 16 4 4 rise A 13 2 3 8 B 4 slope 12 run ENTER 2nd FN 1 3 4 ENTER B S B A 2 3 8 ENTER A 2nd FN B S 19 EXAMPLE PROBLEM ROOF SLOPE GIVEN RISE RUN Press Answer Remember slope is always rise in INCHES over a run of 12 inches 4 rise A 20 0 B 6 8 slope 12 run 0 2 6 B 8 A ENTER 2nd FN B S 20 EXAMPLE PROBLEMS SQUARING A FOUNDATION Calculate the DIAGONAL of the above rectangle Press Answer ...

Page 8: ...TER 3 8 ENTER 22 EXAMPLE PROBLEMS AREA OF A BEARING PLATE Find the area in square inches of a bearing plate measuring 1 2 3 4 x 8 5 8 Press Answer Sq Ft Remember This answer is expressed in sq feet For sq inches multiply by 144 Press Answer Sq In 0 8834635 127 21875 ENTER 1 2 3 3 4 ENTER 5 ENTER 5 8 ENTER 8 5 4 1 4 3 23 EXAMPLE PROBLEMS AREA OF A CIRCLE Given a circle with a radius of 7 7 7 8 find...

Page 9: ...REA OF A SQUARE Press Answer Sq Ft 21 294379 4 7 3 8 4 7 3 8 Area ENTER 3 4 7 8 ENTER 5 X2 2nd FN 26 EXAMPLE PROBLEMS MATTING A PICTURE Press Answer Press To see the fif answer This is the mat space on each side of the picture 1 3 5 8 2 9 11 16 frame width Frame Width Picture Width 2 MATT WIDTH 0 7526041 0 9 fif df m modes 2 9 ENTER ENTER 1 1 2 16 5 ENTER 1 2 3 5 4 8 ENTER All manuals and user gui...

Page 10: ...Example 1 2 x 3 4 21 Press Press STO Puts current display into memory 2nd FN STO RCL Can be used anytime in the midst of a chain operation and acts like a typical numerical entry 5 STO 1 1 2 3 4 3 1 STO RCL 5 2nd FN 29 REFERENCE ROUNDING INCHMATE rounds Foot Inch Fraction answers to the nearest 1 16 in the display but an accurate decimal value is always contained in the internal memory In DIVISION...

Page 11: ...his unit requires one 3V lithium battery CR2016 or equivalent The average battery operating life is 1000 hours When the display slows down and or becomes dim it is time for a new battery To change batteries 1 Turn power off 2 Remove screw from battery lid 3 Before removing battery be sure to touch a metal object This is to avoid any accidental discharge of static electricity which may harm the cir...

Page 12: ...S4S 1 x 2 3 4 x 1 1 2 1 x 3 3 4 x 2 1 2 1 x 4 3 4 x 3 1 2 1 x 6 3 4 x 5 1 2 1 x 8 3 4 x 7 1 4 1 x 10 3 4 x 9 1 4 1 x 12 3 4 x 11 1 4 2 x 2 1 1 2 x 1 1 2 2 x 3 1 1 2 x 2 1 2 2 x 4 1 1 2 x 3 1 2 2 x 6 1 1 2 x 5 1 2 2 x 8 1 1 2 x 7 1 4 2 x 10 1 1 2 x 9 1 4 2 x 12 1 1 2 x 11 1 4 4 x 4 3 1 2 x 3 1 2 4 x 6 3 1 2 x 5 1 2 4 x 8 3 1 2 x 7 1 4 4 x 10 3 1 2 x 9 1 4 4 x 12 3 1 2 x 11 1 2 All manuals and user ...

Page 13: ...installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the device off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase separation between the device and receiver TECHNICAL ASSISTANCE If you have any questions or nee...

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