Introducció
This manual provides comprehensive instructions for the operation and maintenance of your Sharp EL-122N-BK 12-digit electronic calculator. Please read this manual thoroughly before using the calculator to ensure proper function and longevity.
The Sharp EL-122N-BK is a basic electronic calculator designed for everyday calculations. Its features include:
- 12-digit display for clear readability.
- Easy-to-use key layout for efficient data entry.
- Multiple functions for various calculation needs.
- Construcció duradora per a un rendiment fiable.
Producte acabatview
Figura 1: Angle view of the Sharp EL-122N-BK calculator, showing the display and key layout.
Figura 2: De dalt a baix view of the Sharp EL-122N-BK calculator, highlighting the solar panel and key arrangement.
Figura 3: lateral view of the Sharp EL-122N-BK calculator, illustrating its compact dimensions (16 cm or 6.3 inches in length).
Configuració
Font d'alimentació
The Sharp EL-122N-BK calculator is powered by both solar energy and a battery. This dual power system ensures reliable operation in various lighting conditions.
- Energia solar: The calculator primarily uses solar power when sufficient light is available. Ensure the solar panel, located above the display, is exposed to light for optimal performance.
- Potència de la bateria: In low-light conditions, the calculator automatically switches to battery power. The battery is pre-installed and generally does not require user intervention for initial setup.
Ús inicial
- Col·loca la calculadora en un lloc ben il·luminat.
- Premeu el botó ON/C button (or any numeric key) to turn on the calculator. The display should show "0".
- If the display does not appear, ensure adequate lighting for the solar panel or consider potential battery issues (refer to the Troubleshooting section).
Instruccions de funcionament
This section details the functions of the keys and how to perform various calculations.
Operacions aritmètiques bàsiques
- Addició (+): Introduïu el primer número, premeu +, introdueix el segon número i prem =.
- Resta (-): Introduïu el primer número, premeu -, introdueix el segon número i prem =.
- Multiplicació (×): Introduïu el primer número, premeu ×, introdueix el segon número i prem =.
- Divisió (÷): Introduïu el primer número, premeu ÷, introdueix el segon número i prem =.
Funcions clares
- C (Esborrar entrada): Esborra l'últim número introduït o l'entrada de càlcul actual sense afectar les operacions anteriors ni la memòria.
- CA (Esborra-ho tot): Clears all entries, operations, and memory, resetting the calculator to its initial state.
- DESACTIVAT: Turns the calculator off. The calculator also has an auto-power off feature to conserve energy.
Funcions de memòria
- M+ (Memòria Plus): Afegeix el valor mostrat a la memòria.
- M- (menys de memòria): Resta el valor mostrat de la memòria.
- RM (Recall Memory): Displays the current value stored in memory.
- CM (Clear Memory): Esborra el valor emmagatzemat a la memòria.
Funcions especials
- % (percenttage): S'utilitza per a percentatgestage càlculs. Per exampés a dir, per calcular el 10% de 200: introduïu 200, premeu ×, introduïu 10, premeu %.
- √ (Arrel quadrada): Calculates the square root of the displayed number. Enter a number, then press √.
- GT (Gran Total): Accumulates the results of all calculations performed since the last CA or GT press. Press GT per mostrar el total general.
- MU (Mark-Up): Used for mark-up calculations. For example, to calculate the selling price with a 20% mark-up on a cost of 100: enter 100, press MU, introduïu 20, premeu =.
Manteniment
Neteja
Per mantenir l'aspecte i la funcionalitat de la calculadora:
- Wipe the calculator's surface with a soft, dry cloth.
- Per a la brutícia persistent, lleugerament dampNetegeu el drap amb aigua i sabó suau i, a continuació, eixugueu-lo immediatament.
- No utilitzeu netejadors abrasius, dissolvents ni ruixeu directament sobre la calculadora.
Emmagatzematge
Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures when not in use for extended periods.
Resolució de problemes
If you encounter issues with your Sharp EL-122N-BK calculator, refer to the following common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| La pantalla està en blanc o tènue. | Insufficient light for solar panel; low battery. | Move the calculator to a brighter area. If the problem persists, the battery may need replacement (consult a service professional if necessary). |
| Resultats de càlcul incorrectes. | Incorrect key entry; calculator in an unusual state. | Premeu CA to clear all operations and memory, then re-enter the calculation carefully. |
| Les tecles no responen. | Dust or debris under keys; calculator malfunction. | Gently clean around the keys. If the issue persists, the calculator may require service. |
Especificacions
The following are the technical specifications for the Sharp EL-122N-BK calculator:
- Model: EL-122N-BK
- Tipus de visualització: LCD
- Nombre de dígits: 12
- Font d'alimentació: Battery Powered (Dual power: Solar and Battery)
- Dimensions (paquet): 17.7 x 10.7 x 3 cm
- Pes de l'article: 140 g
- Tipus de calculadora: Funció estàndard
Suport i garantia
For further assistance or inquiries regarding your Sharp EL-122N-BK calculator, please refer to the retailer or manufacturer's official support channels.
Information regarding specific warranty terms and conditions should be provided at the point of purchase or through the official product documentation. Extended warranty options may be available from third-party providers, such as the 2-Year Extended Warranty by Salama Care mentioned in product listings.
