This document is the operation manual for the Sharp Electronic Printing Calculator series, specifically models QS-1760A, QS-2760A, and QS-2770A. It provides instructions on using the calculator's various modes, including print/display functions, grand total accumulation, item counting, and constant calculations.
The manual details the operation of specific keys such as the Power switch, Print Mode Selector, Add/Divide mode selector, and Item Count Mode Selector. It also covers maintenance procedures like ink ribbon and paper tape replacement.
| Power source | AC: 120V, 60Hz |
|---|---|
| Display type | Fluorescent display |
| Operating capacity (QS-1760A) | 10 digits |
| Display/Print capacity (QS-2760A/2770A) | 13 digits display, 18 digits printing |
| Printing speed | Approx. 4.1 lines/sec. |
Changing the selector from P to e prints 'eee... +++—P' in red, and changing from e to P prints 'eee... ++++P' in red.
Pressing the [>], , )., or {mu} key clears the counter.
The counter has a maximum capacity of 3 digits, up to +999.