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Sharp PC-1245 Instruction Manual

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The Sharp PC-1245 instruction manual is Sharp Corporation's English operating manual for the Sharp PC-1245 pocket computer, printed in Japan in 1983 with the code TINSE3931CCZZ on the back cover.[1] The hosted copy is a 212-page image-only scan from Sharp Pocket Computers, with a promsoft.com watermark on each page.[2]

Contents

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Instruction manual contents (selected)[3]
Section Printed page PDF page
Introductory note; chapter 1, how to use this manual 4 to 6 6 to 8
Chapter 2, introduction to the PC-1245: keys, display, ALL RESET, contrast control, cell replacement 7 to 16 9 to 18
Chapter 3, using the PC-1245 as a calculator (start up, shut down, auto off) 17 onwards 19 onwards
Chapter 9, troubleshooting 135 to 136 137 to 138
Chapter 10, maintenance of the PC-1245 137 139
Appendix A, error messages 138 to 139 140 to 141
Appendix E, feature comparison of the PC-1211, PC-1245, PC-1251 and PC-1500 152 to 156
Appendix G, specifications 157 159
Program examples 161 to 205

What it does not contain

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This is a user manual. It has no circuit diagram, no parts list and no disassembly procedure beyond removing the back cover and the cell cover to change the cells. No PC-1245 service manual is available alongside it; the nearest service documentation is Sharp's PC-1250/PC-1251 service manual, described on Sharp PC-1251 Documentation.

Figures it settles

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  • RAM 2.2 KB with 1486 bytes for programs and data; 24 KB system ROM; 16-character display (pages 7, 13 and 157).
  • Power: two CR-2032 lithium cells, 6.0 V DC, 0.03 W, about 300 hours (page 157).
  • Dimensions 135 × 70 × 9.5 mm and weight about 115 g (page 157).
  • The two reset levels and the cell replacement procedure (pages 12 to 16).

Pages that cite this document

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File

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Download: Sharp PC-1245 Instruction Manual.pdf

References

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  1. ↑ Sharp, PC-1245 instruction manual, back cover (PDF page 212): "1983 © Sharp Corporation", printed in Japan, TINSE3931CCZZ. File:Sharp PC-1245 Instruction Manual.pdf.
  2. ↑ Sharp Pocket Computers, Printers, Cables, Level Converters & Accessories, sharppocketcomputers.com—link(accessed 2026-10-21) PC-1245 row: "PC-1245 Operation Manual (3 MB)".
  3. ↑ Sharp, PC-1245 instruction manual, table of contents (PDF pages 3 to 5) and the pages listed.


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