Introduzione
Thank you for choosing the Irfora Multifunction Bamboo 12-Digit Calculator. This eco-friendly calculator combines classic design with modern functionality, featuring a durable bamboo casing and dual power source. This manual provides essential information for setting up, operating, and maintaining your calculator to ensure optimal performance.
Figura 1: Fronte view of the Irfora Bamboo Calculator, showcasing its natural bamboo finish and large LCD display.
1. Impostazione
1.1 Disimballaggio
Carefully remove the calculator from its packaging. Inspect the device for any signs of damage. Retain the packaging for future storage or transport.
1.2 Accensione
The calculator features a dual power system: solar and button battery. It automatically switches between power sources for efficient operation.
- Energia solare: Place the calculator in a well-lit area. The solar panel will convert light into energy, powering the device.
- Potenza della batteria: In low-light conditions, the calculator will automatically switch to button battery power.
- Per accendere la calcolatrice, premere il tasto ON/C/CE or AC chiave.
Figura 2: Angolato view of the Irfora Bamboo Calculator, showing the solar panel and LCD display.
2. Istruzioni per l'uso
The calculator features 29 large, comfortable keys with carved numbers that are designed not to fade over time.
Figura 3: primo piano view highlighting the large, carved bamboo keys for comfortable and durable use.
2.1 Operazioni aritmetiche di base
Perform standard calculations using the following keys:
- + (Aggiunta)
- - (Sottrazione)
- × (Moltiplicazione)
- ÷ (Divisione)
- = (Uguale)
2.2 Funzioni di memoria
The calculator includes memory functions for complex calculations:
- M+: Aggiunge il valore visualizzato alla memoria.
- M-: Sottrae il valore visualizzato dalla memoria.
- MRC: Richiama il valore in memoria. Premendo due volte si cancella la memoria.
2.3 Funzioni speciali
- % (Percenttage): Calculates percentages.
- √ (Radice quadrata): calcola la radice quadrata del numero visualizzato.
- +/- (Sign Change): Changes the sign of the displayed number (positive to negative, or vice versa).
- AC (All Clear): Clears all entries and memory.
- ON/C/CE (On/Clear Entry): Turns on the calculator. When on, clears the last entry. Pressing twice clears all entries.
Figure 4: A hand demonstrating the use of the calculator for daily tasks.
2.4 Spegnimento automatico
To conserve energy, the calculator will automatically power off after approximately 12 minutes of inactivity. Press ON/C/CE or AC per riaccenderlo.
3. Manutenzione
3.1 Pulizia
To clean the calculator, gently wipe the surface with a soft, dry cloth. For stubborn dirt, a slightly damp È possibile utilizzare un panno, ma assicurarsi che non penetri umidità nel dispositivo. Evitare l'uso di prodotti chimici aggressivi o detergenti abrasivi.
3.2 Conservazione
Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures. Prolonged exposure to direct sunlight can affect the bamboo finish.
3.3 Sostituzione della batteria
The calculator uses a button battery (type not specified, typically AG10 or LR1130). If the display becomes dim or unresponsive in low light, the battery may need replacement. Consult a qualified technician or refer to the product packaging for specific battery type and replacement instructions. Improper battery replacement can damage the device.
4. Risoluzione Dei Problemi
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Il display è vuoto o poco luminoso. | Luce insufficiente per l'energia solare o batteria scarica. | Move the calculator to a brighter area. If the problem persists, the button battery may need replacement. |
| La calcolatrice non si accende. | No power, or device is in auto-off mode. | Ensure adequate light for solar power. Press ON/C/CE or AC. If still unresponsive, replace the button battery. |
| Risultati di calcolo errati. | Incorrect key input, or temporary internal error. | Premere AC per cancellare tutti gli inserimenti e riavviare il calcolo. Ricontrolla i tuoi dati. |
5. Specifiche
- Marca: Ifora
- Modello: LAKJPOS0867
- Display: LCD di grandi dimensioni a 12 cifre
- Fonte di energia: Dual Power (Solar & Button Battery)
- Chiavi: 29 Bamboo Keys with Carved Numbers
- Funzioni: Basic Arithmetic, Square Root, Percentage, Memory (M+, M-, MRC), Sign Change
- Spegnimento automatico: Circa 12 minuti di inattività
- Dimensioni del prodotto: 19 x 14 x 4 cm (circa 7.5 x 5.5 x 1.6 pollici)
- Peso del prodotto: 295 g (circa 0.65 libbre)
6. Garanzia e supporto
For warranty information and customer support, please refer to the documentation included with your purchase or contact your retailer. Keep your proof of purchase for any warranty claims.
Per ulteriore assistenza, visitare il sito Irfora brand page on Amazon.co.jp.