
| Manufacturer: | WALTHER |
| Model: | ETR2 |
| AKA: | |
| Year: | 1972 |
| Display: | Nixie (8) |
| Circuits: | ELECTRONIC ARRAYS (See further on this page) |
| Dimensions: | 210x155x55 mm |
| Power type: | 220V |
| Origin: | Germany |
| S/N: | 2250462 2924247 |
| Owner: | DEVIDTS Serge |
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Feature |
Description |
Case: |
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Color case: |
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Color keyboard: |
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Weight: |
1000 g |
Voltage selection: |
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Adapter: |
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Power consumption: |
6 W |
Working condition: |
0 to 40 degrees C |
Printed Circuit Boards (PCB's): |
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Memories: |
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Memories indication: |
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Prog. steps: |
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Decimal point handling: |
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Rounding: |
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Calculation overflow indication: |
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Input overflow indication: |
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Divide by Zero indication: |
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Square root of negative value indication: |
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Negative value indication: |
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Constant function: |
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Auto Power-off: |
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Display details: |
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Keyboard details: |
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Printer: |
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Extra features/remarks: |
Calculation
speed: |
Initial price: |
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Overall quality rate (1-10): |
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OEM-copies: |
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Other sources of info: |
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Advertisements/Publications: |
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This is one of the few
electronic calculators from WALTHER,
Most WALTHER-calcs are mechanical ones.
Unfortunately, this modular-constructed device is not working anymore.

Keyboard-module ^

Keyboard-module: reed-switches ^

IC-layout: ^
IC's from ELECTRONIC ARRAYS
1. FDY: 1508-5005
2. FDY: 160-5014
3. FDY: 120-5013
4. FDY: 170-5017
5. FDY: 110-5001
6. FDY: 310-7014

NEC: LD8007: Nixie-tube detail (back) ^

Labels on the back ^