6 – DIFFERENT MODES
INDEX PAGE
PAGES Key Definitions .................... 4-11, 62 Entering Dimensions ................... 12-14 Metric ................................... 16 Solving Triangles ................. 15, 17-23 Solving Circles ................... 15, 41-47 Slopes and Percentages ................... 26 Calc. Concrete Volume ................. 27-30 Memories ................................ 4-6 Rake-Up ............................... 35-38 Rake-Down ............................. 39-40 Segmented Rise ........................ 45-47 Jack Rafters .......................... 49-50 Roof Trusses & Rafters ......... 48-50, 53-54 Hip and Valley ........................ 50-52 Stairs ................................ 55-57 Miter Cuts ............................... 46 Squaring Up Anything ................. 24, 61 Calculating Brick ........................ 25 Calculating Board Feet ................... 25 Off Set Bracing ....................... 31-32 Oblique Triangles ..................... 33-34 Special Formulas ......................... 58 Special Notes ................. 6, 10, 15, 61
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JOBBER "6"INSTRUCTION MANUAL
THE FEET INCHES SIXTEENTHS CALCULATOR WITH
INSTANT CONVERSION BETWEEN ALL MODES
The JOBBER 6 was developed especially for use by
anyone connected with the building and construction industry.
JOBBER 6 has "FIVE" different dimensional
formats with instant conversion between all formats.
1 Feet, inches & fractions 4 Decimal (of inches)
2 Decimal (of feet)
5 Metric (millimeters, meters)
3 Inches & fractions
All will work with the many built-in math programs.
This means that complex calculations can be made without the use of charts or tables, thus decreasing errors and increasing production.
The primary difference between the JOBBER 6 and other calculators is its use of its special keyboard of 0 to 15 instead of 0 to 9. This allows inches and fractions to be entered with
a single keystroke each.
NOTE THIS FEATURE
A feature requested by many Jobber users is that they would like to be able to set the calculator to work only in 16th and not convert to lower case denominator fractions. This is accomplished by pressing the FIS key a second time. However, if you want to go to lower case fraction again, press the FIS key again, as it will switch back and forth.
(2)
6 ? DIFFERENT MODES
KEYS TO PRESS
1 Feet, inches & fractions 2 Decimal (of feet) 3 Metric (millimeters)
FIS DEC MM
4 Metric (meters)
INV MM
NOTE: When in the meter mode the MET.MM in
the display will be flashing
5 Inches and fractions
INCH
6 Decimal inches
INCH INCH (Press 2 times)
Each Mode may be interchanged at any time. Thus, you can convert any (FIS) dimension to Decimal or Metric, and vice versa with a single keystroke.
With an incorrect entry or answer beyond the range of the calculator, the display will show "error." To clean an error condition you must press the "CLR" button.
In the Decimal and Metric Modes, the display capacity is SEVEN digits, or "9999999."
In the FIS Mode, the display capacity is EIGHT digits showing a maximum dimension of 99,999 feet, 11 inches and 15 sixteenths.
AUTOMATIC SHUT OFF
Your Calculator is designed to shut itself off after a few minutes of non-use. However, any values stored in the memories will be retained. Also any data in the triangle mode is retained and can be recalled by pressing the INV key first and then any one of the triangle keys.
(3)
KEY DEFINITIONS ON
FIS This key turns the calculator on and activates the feet, inch, and fraction mode. It will also convert any displayed dimensions from other dimensional modes to the FIS mode.
CLR The CLEAR KEY - Press once clears the last entry and the display; press twice in succession clears all temporary registers.
Press INV CLR and it will backspace, deleting one keystroke at a time.
MEMORIES ? JOBBER "6" has 6 Permanent Memories.
Values stored in these memories are not lost when calculator goes
off. One of these memories is separated from the other 5 memories.
DMS
DMS
MEM and RCL are the memory keys located to the right of
the 15 and 12 keys. This memory is
referred to as the Quick Memory because it
requires only One Key In and One Key Out.
The other five memories work with the Memory Keys that are located on the left side of the DEC and MM keys. These memories require use of Two Keystrokes to store a value in them and Two Keystrokes to recall the stored value.
To Store the Value that is in the Display in these Memories:
MEM+
M1 M2 M3 M4 M5
First press MEM Then press 1 or 2 or 3 or 4 or 5
depending on the memory you choose to use.
To Recall the Stored Value in these Memories:
MEM?
M1 M2 M3 M4 M5
First press RCL Then press 1 or 2 or 3 or 4 or 5
depending on the memory you choose to recall,
(4)
When these memories have a stored value in them a small M1 - M2 - M3 will light up in the display. MEM M4 and M5 will not light up in the display. You can press RCL M4 or M5 to see if they have a stored value in them.
To clear these memories ? first clear the display with only zeros "0" showing in the display.
M1
M2
M3
M4
M5
Then press MEM and 1 or 2 or 3 or 4 or 5
depending on the memory you wish to clear. Then the small
M1 - M2 - M3 in the display will go out, indicating the memory
is clear. M4 and M5 are cleared in the same manner but have
no display light to go out.
If a memory already has a value in it, but you wish to store a new value in it, it is not necessary to clear the memory before entering the new value. Just enter it as explained earlier. The new value will be stored and the previous value is cleared automatically.
EXAMPLE - Put 7' - 103/4 in MEM-1
Put tangent .645833 in MEM-3 for later use
REMARKS
KEYSTROKES DISPLAY READS
M1
Enter 7'-103/4
7 10 12 MEM 1 7 ? 10 ? 3/4
. . . Enter 645833
M3
6 4 5 8 3 3 MEM 3 645833
Clear Display
CLR
0.
Go to FIS Mode Recall MEM-1 Recall MEM-3 Go to DEC. Mode
FIS
M1
RCL 1
M3
RCL 3
DEC
0 ? 0 ? 0
7 ? 10 ? 3/4
73/4
.645833
(5)
These same 5 Memories can also be used as Accumulative Memories.
By pressing the INV key first the
MEM+
MEM becomes Memory Plus (Adds to Memory).
MEM?
The RCL becomes Memory Minus (Subtracts from Memory).
EXAMPLE Use the accumulative memories to total these
dimensions: 4'-6 + 14'-81/2 + 10'-10 ? 6'-11/2 and put them
in MEM. 2.
REMARKS
KEYSTROKES DISPLAY READS
Enter 4'-6
MEM+ M2
4 6 0 INV MEM 2 4 ? 6 ? 0
Add 14'-81/2
MEM+ M2
1 4 8 8 INV MEM 2 14 ? 8 ? 1/2
Add 10'-10
MEM+ M2
1 0 10 0 INV MEM 2 10 ? 10 ? 0
Subtract 6'-11/2
Now find the Total To Clear MEM-2
MEM? M2
6 1 8 INV RCL 2
M2
RCL 2
MEM+ M2
CLR MEM 2
6 ? 1 ? 1/2
23 ? 11 ? 0 0 ? 0 ? 0
NOTE: Having values stored in the memories does not pull the batteries down.
KEYSTROKES
SHIFT
INV The RED INVERT key is a very important key as it has many functions when used in conjunction with other keys. (The invert key should be pressed first.)
It activates the 2nd function for most of the keys on the keyboard. When pressed two dashes between the fractions will start flashing
(6)
KEY DEFINITIONS
DEC This key activates the Decimal of Feet Mode and converts any other displayed value to the equivalent in Decimal of Feet. In this mode the calculator can be used as a standard calculator.
DEC
iINCH This key activates the Inch Mode and converts any other displayed dimension to inches and fractions or press INCH key a second time and go into the Decimal Inch Mode.
HIP This key will automatically calculate the Hip/Valley Pitch of a 45? Hip/Valley roof.
FIRST: Recall or put the actual roof pitch in the display. Then press the HIP key and the calculator will instantly display the calculated Tangent for pitch of the Hip/ Valley beam.
This HIP Tangent can then be put in the PITCH for solving triangles. Then anything you desire to know can be calculated using the RISE RUN SLP keys.
NOTE: If you already had the actual roof pitch in the triangle mode PITCH key you may wish to recall and store it in one of the memories for easy recall and later use, before putting the HIP Tangent in the PITCH .
To find the plumb or vertical cut degree for the hip beam press INV TAN when the hip pitch is in the display.
INV TAN ?
INV 0
INV
111222333444555
?
will convert the tangent value or pitch that is displayed to a decimal degree or angle. CIRCLE MODE: These keys put the calculator in the CIRCLE MODE which activates all the parts for solving a circle and circle segiments. As identified above, the orange keys. SEGMENTED RISE MODE: While in the Circle Mode with values in the circle keys. Pressing these keys will activate the segimented rise function which gives the rise at various points along the cord from the cord to the arc.
(7)
JACK
KEY DEFINITIONS
INV DEC
JACK RAFTER MODE: Jack lengths are automatically calculated for 45 degree roofs, starting from longest to shortest using any set on-center spacing, and based on the regular roof data that is in the triangle pitch, rise, run keys.
RK-UP
INV 13 RAKE-UP MODE: This function automatically calculates the rise dimension along a triangle base at various set spaces, using the values that are stored in the pitch, rise, run triangle keys. This feature is ideal for calculating roof or grade
RK-DN rise. INV 14 RAKE-DOWN MODE: This function automatically
finds the decreasing stud length or rise dimension in a raked wall or sloping plane at various set spaces, based on the values stored in the pitch, CU. YD. rise, run triangle keys.
INV 15 CUBIC YARDS: These keys automatically convert the displayed calculation into cubic yards.
SQ. YD.
INV X SQUARE YARDS: These keys automatically convert the displayed calculation into square yards.
REM
INV ? REMAINDER: Displays the remainder value when
a FIS dimension is divided by a whole number.
BD.FT
INV +/- BOARD FEET: Converts the cubic value of
1/x material shown in the display to Board Feet. INV ? Activates 1/x which divides the displayed value (x)
TAPE into one.
INV = PAPERLESS TAPE: Activates the paperless tape mode which allows the user to review the last 16 entries or sub-totals. A small "T" will show up in the display when activated. Then press the ? or
+ keys to scroll forward or backward through the
data. If you find a dimension you want to use press the = key and proceed as normal.
(8)
KEY DEFINITIONS
DMS
INV MEN DEGREES-MINUTES-SECONDS (INPUT):
Allows the input of degrees, minutes and
seconds into the calculator.
DMS
INV RCL DEGREES-MINUTES-SECONDS: This function
will convert a decimal degree that is shown in
SIN the display to degrees, minutes and seconds.
INV 6 SINE: This function will calculate the sine of a
INV. SIN degree or value displayed.
INV 7 INV SINE: This function will calculate the small-
COS est relative angle of the displayed sine value.
INV 8 COSINE: This function will calculate the cosine
INV. COS of the displayed value.
INV 9 INVERT COSINE: This function will calculate the
smallest relative angle for the displayed cosine
AREA value.
INV 10 AREA (for circles and triangles): When in the
Circle Mode with a given diameter or radius, this
function will give the area of the circle. Also, it
will give the area for any triangle that is in the
v
Triangle Mode.
INV X2 SQUARE ROOT: This function will calculate
the (square root) of the number shown in the
display.
INV CLR
LGTH
INV HIP
BACK SPACE: This function will delete the entries one keystroke at a time. (Unlike the clear function which deletes the entire entry.) HIP/VALLEY BEAM LENGTH: With the roof dimension for the common rafters in the Triangle Mode, PITCH, RISE, RUN press these keys to find the developed length of the hip/val beam for a 45? roof system
(9)
INV PITCH RECALLING TANGENT OR PITCH
The actual Tangent Pitch that the calculator is working within the triangle mode can be recalled by pressing INV PITCH in the DEC Mode or by converting the FIS PITCH to the Decimal Mode by pressing the DEC key.
NOTE: It is very important that you never try to recall the PITCH without first pressing the INV key, as you will erase or change its value to what is in the display, or unless you have already recalled one of the three triangle sides, by pressing xINV RUN or INV RIS or INV SLP .
x2 Squares any number displayed.
Displays the value of Pi truncated to the 7th digit.
TAN This key calculates the TANGENT of the displayed degree or value.
DEG
DEGREE
This key will input a degree into the triangle mode and automatically adjust the pitch accordingly, or will give the degree value for the pitch.
SPAC SET DEFAULT SPACE KEY
This key sets the default spacing dimension for the (Rake-Up) (Rake-Down) (Jack) and (Segmented Rise) functions. (The spacing must be set before these functions are activated.) After they are activated this key will let a special spacing be inserted one space at a time.
To recall or to check what default spacing dimension is stored in the calculator press INV SPAC .
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