TECHNICAL DATA of the Electro-Mechanical Printing-Calculator ***************************************************************** Model = DBN 8385A Montgomery-WARD 7/8 Serial Number: E37C30580 Dimensions: (ca.) Width = 8_1/4" / 21 cm Depth = 11_1/2" / 29 cm Height = 4_3/4" / 12 cm Weight: (ca.) 8 lbs / 3.7 kg Power Supply: 115 V AC, grounded Mechanics: Serial-to-parallel Conversion, 10-Block-Keyboard Black Nylon Ribbon (= Typewriter): 1/2" * 20' / 13 mm * 6 m 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 Registers: Input = 7 Decimals Arithmetic = 8 Decimals Printing = 9 Characters Distributed by: Montgomery-WARD / USA as Model DBN 8385A Manufacturer: EIKO Business Machine Co. Ltd. as Model UNITREX Made in Japan 1960 CHANGING THE RIBBON: ******************** (A) Remove the Cover: ----------------- (1) Open and remove orange paper roll cover. (2) To remove orange back: o Lift the upper part until the plastic clamp is free. o Move it backward. o Push it down to unfasten the lower plastic clamps from bottom. o Push back and remove. (3) To remove yellow cover: o Lift the back. o Shift it backwards to unfasten the front plastic clamps from bottom. o Lift cover and remove. o Observe how the ribbon is spooled. (B) Change the Ribbon. ================== (C) To put back the Cover: ---------------------- Perform the steps in reverse order. PRINTOUT - Example with Comments: ************************************************** ^^^^^^^^^^^^^^^^ | .00 T | Press (T=Total) to clear memory | | | | < Max.Input = 7 decimals > | 76,543.21 | Enter (1st)number, Press (+) | 98,765.43 | Enter (2nd)number, Press (+) | 175,308.64 S | Press (S=Subtotal) to print sum | 1.23 - | Enter (neg.)number, Press (-) | 175,307.41 S | Press (S) to print cumulated sum | 4.56 | Press (X=Repeat), Enter number, Press (+) | 4.56 | Press (+), Press (C=ClearKeyboard) | 175,316.53 T | Press (T) to print total sum | | < Max.Output = 8 decimals > | | | .00 T | Press (T), Memory is clear | | | .13 N | Enter item #13, Press (N=NonAdd) | 12.34 | Enter price | .47 N | Enter item #47, Press (N) | 56.78 | Enter price | .11 N | Enter item #11, Press (N) | 91.01 | Enter price | 160.13 T | Press (T) to print total sum to pay | | | .00 T | Press (T), Memory is clear | | | 12.00 | Enter number | 24.00 - | Enter (larger negative) number | 999,988.00 T | Negative sum = COMPLEMENT! | | ^^^^^^^^^^^^^^^^ Have a look at "Calculating Trickies" ... PS.: This »KULMBACH« MUG with its BAVARIAN FLAG is a souvenir impressum: ***************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 01/27/06 |