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WALTHER DIWA - 32
TECHNICAL DATA of the F u l l - Motorized Electro-Mechanical
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Printing-Calculator 11/12
Model: WALTHER DIWA-32
Serial Number: 2001934 / 3050117
Dimensions: (ca.) Width = 10 " / 26 cm
Depth = 17 " / 43 cm
Height = 6_1/2 " / 17 cm
Weight: (ca.) 24 lbs / 11 kg
Power Supply: 220 V AC ; 90 W
Mechanics: Serial-to-parallel Conversion,
10-Block-Keyboard
Black/RED Nylon Ribbon (= Typewriter):
1/2" * 16' / 13 mm * 5 m
( Spool-Diameter = 1_1/2" / 40 mm )
Paper Roll (Standard):
2_1/4" * 2_3/4" * 165' (W * D * L)
57 mm * 65 mm * 50 m (B * D * L)
Functions: Add, Subtract, NonAdd, Subtotal, Total
Automatic Multiplication & Division
Negative Numbers & Results are printed in RED!
Registers: Input = 11 Decimals
Arithmetic = 12 Decimals
Memory = 12 Decimals
Printing = 14 Characters
Manufacturer:
WALTHER Bueromaschinen GmbH
Werk Gerstetten
West Germany
1970
H O W T O U S E the WALTHER » DIWA-32 «
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WHITE SPHERE LEVERS:
--------------------
(*) Lower (shift right) = Doesn't print the calculated product
& Hold memory for combined multiplication
( see example: 11x11 - 9x9 = 40 )
(M) Upper (shift up) = SAVE LAST NUMBER or SUM as a CONSTANT
(Blocks the left Function-Keys)
RECALL CONSTANT = Shift down & press [+] or [-] key
ENTER A NUMBER:
---------------
The actual number of digits entered shows on the window above the
keyboard. If wrong digits are entered, press the red key [C] to
clear the keyboard.
ADDITION & Subtraction:
-----------------------
Everytime a number is entered and the keys [+] or [-] are pressed,
the number is printed and added/subtracted to/from the memory.
REPEAT:
-------
No "REPEAT"-Key is neccessary: The last number is held in memory
and can be re-used by pressing the [+] or [-] key again.
NON-ADD:
--------
Enter the item number and press the key [#]. This item number is
printed, but it is not part of the addition/subtraction cycle.
SUBTOTAL:
---------
The cumulated sum will be printed when the key [◊] is pressed.
The memory will hold the actual sum.
TOTAL:
------
The total sum will be printed when the key [*] is pressed.
The memory will be cleared.
MULTIPLICATION:
---------------
Enter the multiplicant and press [x]. Enter the multiplicator
and press [=]. The product will be calculated and printed.
( Examples for "Chain Multiplications" see below ... )
OVERFLOW MARKER:
----------------
When a product exceeds 12 digits, the WRONG RESULT is printed
with 3 points on its left side.
DIVISION:
---------
Enter the divident and press [:]. Enter the divisor and
press [:=]. The quotient will be calculated and printed.
CHANGING THE PAPER ROLL:
************************
Pull the holder clips on both ends and lift the paper roll.
CHANGING THE RIBBON:
********************
Open the cover and observe how the ribbon is spooled!
CLEANING THE FONTS
******************
is easy: Open the cover - All fonts are accessible!
PRINTOUT - Example with Comments:
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^^^^^^^^^^^^^^^^^^^ To clear memory:
| * | Press [*=Total]
| |
| | < Max.Input = 11 decimals >
| 98765432109 | Enter (1st) number, Press [+]
| 87654321098 | Enter (2nd) number, Press [+]
| 186419753207 ◊ | Press [◊=Subtotal] to print SUM
| |
| 123 - | Enter (neg.)number, Press [-] [print RED]
| 186419753084 ◊ | Press [◊] to print CUMULATED SUM
| |
| 456 | Enter number, Press [+]
| 456 | REPEAT: Press [+]
| 186419753996 * | Press [*] to print TOTAL SUM
| | < Max.Output = 12 decimals >
| |
| * | Press [*], Memory is clear
| |
| 47 # | Enter ID #47, Press [#=NonAdd]
| 678900 | Enter value, Press [+]
| 11 # | Enter ID #11, Press [#]
| 543200 | Enter value, Press [+]
| 1222100 * | Press [*] to print TOTAL SUM of values
| |
| * | Memory is clear
| |
| 12 | Enter number, press [+]
| 24 - | Enter (larger neg.) number, press [-]
| 12 *- | Negative SUM [both print in RED]
| |
| *- | Memory is clear [in RED]
| |
| 11 x | Enter multiplicant, press [x]
| 13 = | Enter multiplicator, press [=]
| 143 * | Press [*] to print Product
| |
^^^^^^^^^^^^^^^^^^^
^^^^^^^^^^^^^^^^^^^ To clear memory:
| * | Press [*=Total]
| |
| | EXAMPLE (987+654) - (123+456)
| | 1641 - 579 = 1062
| 987 | Enter 1st value, press [+]
| 654 | Enter 2nd value, press [+]
| 1641 ◊ | Press [◊=Subtotal] to print SUM
| |
| | SHIFT UPPER-LEVER (M) U P
| |
| 1641 * | Press [*] (= Holding )
| |
| 123 - | Enter 3rd value, press [-] [print in RED]
| 456 - | Enter 4th value, press [-] [print in RED]
| 579 ◊- | Press [◊=Subtotal] SUM [print in RED]
| |
| | SHIFT UPPER-LEVER (M) D O W N
| |
| 1641 | press [+] (= Recall )
| 1062 * | Press [*] to print TOTAL SUM of values
| |
^^^^^^^^^^^^^^^^^^^
^^^^^^^^^^^^^^^^^^^ To clear memory:
| * | Press [*=Total]
| |
| | EXAMPLE 17^3 = 4913
| 17 x | Enter 1st factor, press [x]
| 17 = | Enter 2nd factor, press [=]
| 289 * | Intermediate product printed
| 17 = | Enter 3rd factor, press [=]
| 4913 * | Result printed
| |
| | EXAMPLE 11x11 - 9x9 = 40
| |
| | SHIFT LOWER-LEVER (*) R I G H T
| 11 x | Enter 1st multiplicant, press [x]
| 11 = | Enter 1st multiplicator, press [=]
| 9 x | Enter 2nd multiplicant, press [x]
| 9 = | Enter 2nd multiplicator, press [= RED]
| 40 * | Press [*], Result printed
| | SHIFT LOWER-LEVER (*) L E F T
| |
^^^^^^^^^^^^^^^^^^^
^^^^^^^^^^^^^^^^^^^ To clear memory:
| * | Press [*=Total]
| |
| 22000000000 | Enter divident, press [:]
| 7 =: | Enter divisor, press [:=]
| 6 * | Reminder printed
| 3142857142 * | Quotient printed
| |
^^^^^^^^^^^^^^^^^^^
Have a look at "Calculating Trickies" ...
Have a look at a HOME-MADE A N G L E POWER PLUG ...
impressum:
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© C.HAMANN http://public.BHT-Berlin.de/hamann 12/13/12
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