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WALTHER COMPTESS
TECHNICAL DATA of the Electro-Mechanical Printing-Calculator
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Model: WALTHER COMPTESS
Serial Number: 2006677 / 5571813
Dimensions: (ca.) Width = 8_1/2 " / 22 cm
Depth = 14 " / 36 cm
Height = 5_1/2 " / 14 cm
Weight: (ca.) 14 lbs / 6.5 kg
Power Supply: 110 / 220 V AC ; 50 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, Repeat, Subtotal, Total
Negative Numbers & Results are printed in RED!
Registers: Input = 11 Decimals
Arithmetic = 12 Decimals
Printing = 13 Characters
Manufacturer:
WALTHER Bueromaschinen GmbH
Werk Gerstetten
West Germany
1974
H O W T O U S E the WALTHER »COMPTESS«
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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:
-------
To enter the same number more than once, press & pull the key [R]
before the keys [+] or [-] are pressed. The keyboard will not be
cleared after printing & calculating cycle. To release the [R] key:
Press & push it before the next cycle.
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.
CHANGING THE PAPER ROLL:
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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 >
| 987.654.321,09 | Enter (1st) number, Press [+]
| 876.543.210,98 | Enter (2nd) number, Press [+]
| 1.864.197.532,07 ◊ | Press [◊=Subtotal] to print sum
| |
| 1,23 - | Enter (neg.)number, Press [-] [in RED]
| 1.864.197.530,84 ◊ | Press [◊] to print cumulated sum
| |
| 4,56 | Set [R=Repeat], Enter number, Press [+]
| 4,56 | Release [R], Press [+]
| 1.864.197.539,96 * | Press [*] to print total sum
| | < Max.Output = 12 decimals >
| |
| * | Press [*], Memory is clear
| |
| 47 # | Enter ID #47, Press [#=NonAdd]
| 6.789,00 | Enter value, Press [+]
| 11 # | Enter ID #11, Press [#]
| 5.432,00 | Enter value, Press [+]
| 12.221,00 * | Press [*] to print total sum of values
| |
| * | Memory is clear
| |
| 12,00 | Enter number
| 24,00 - | Enter (larger negative) number [in RED]
| 12,00 *- | Negative sum [in RED]
| |
^^^^^^^^^^^^^^^^^^^^^^^
Have a look at "Calculating Trickies" ...
impressum:
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© C.HAMANN http://public.BHT-Berlin.de/hamann 02/20/07
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