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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«
***********************************************

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:
************************
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:
******************************************

^^^^^^^^^^^^^^^^^^^^^^^   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]
|                     |   
^^^^^^^^^^^^^^^^^^^^^^^

impressum:
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© C.HAMANN    http://public.beuth-hochschule.de/~hamann    02/19/07