1. Úvod
Thank you for choosing the OSALO FQ-450 Desktop Calculator. This manual provides detailed instructions for the proper setup, operation, and maintenance of your calculator. Please read this manual thoroughly before use to ensure optimal performance and longevity of the device. Keep this manual for future reference.
2. Konec produktuview
2.1 Klíčové vlastnosti
- Extra-Large 12-Digit LCD Display: Provides clear visibility of numbers and operation symbols.
- Large, Ergonomic Buttons: Concave, round buttons designed for comfortable and accurate input, reducing typing errors.
- Duální zdroj napájení: Operates on both solar energy and a pre-installed L1154F battery, ensuring continuous functionality.
- Odolná konstrukce: Made from high-quality metal and plastic materials for extended use.
- Protiskluzový design: Equipped with anti-slip mats for stability during use.
- 30-Degree Angled Display: Optimalizováno viewing angle for improved readability and comfort.
2.2 Identifikace součásti
Familiarize yourself with the various parts of your OSALO FQ-450 calculator:
- Extra velký displej: Shows up to 12 digits and operation symbols.
- GT (celkový součet): Displays the grand total of all calculations.
- Back Space (◀): Deletes the last entered digit.
- AC (vše jasné): Clears all entries and calculations.
- 00 (dvojitá nula): Zadá dvě nuly současně.
- Solární panel: Provides power in well-lit conditions.
- √ (druhá odmocnina): Calculates the square root of a number.
- MR/MC (Memory Recall/Clear): Recalls the value stored in memory or clears the memory.
- M+/M- (Memory Plus/Minus): Adds to or subtracts from the memory.
- C/CE (Clear Entry): Clears the last entry without affecting previous calculations or memory.
- % (procentotagE): Performs percentage výpočty.
- MU (Mark-Up): Used for mark-up calculations.
3. Nastavení
3.1 Zdroj napájení
The OSALO FQ-450 calculator features a dual power system: solar and battery. It automatically switches between power sources depending on the light conditions.
- Solární energie: The calculator will operate using solar power when sufficient light is available. Ensure the solar panel (6) is exposed to light.
- Napájení baterie: An L1154F battery is pre-installed. The calculator will use battery power in low-light conditions or when solar power is insufficient. The battery typically lasts for approximately 2 years with one hour of continuous use per day.
3.2 První použití
No specific setup is required for initial use. Simply ensure the calculator is in a well-lit area or has a functional battery. The calculator will power on automatically when a button is pressed.
4. Návod k obsluze
4.1 Základní výpočty
Chcete-li provést základní aritmetické operace:
- Zadejte první číslo.
- Stiskněte požadované ovládací tlačítko (+, -, ×nebo ÷). The operation symbol will appear on the display.
- Zadejte druhé číslo.
- Stiskněte tlačítko = klávesu pro zobrazení výsledku.
4.2 Clearing Entries and All Clear
- Stiskněte C/CE to clear the last entered number or operation. This allows correction without restarting the entire calculation.
- Stiskněte AC to clear all entries, operations, and memory contents, resetting the calculator to its initial state.
4.3 Funkce paměti
The calculator includes memory functions for storing and recalling values:
- M+: Přičte zobrazenou hodnotu do paměti.
- M-: Odečte zobrazenou hodnotu z paměti.
- PAN: Recalls the value currently stored in memory to the display.
- MC: Clears the memory content. (Often combined with MR, pressing MR twice or a dedicated MC button).
4.4 Speciální funkce
- GT (celkový součet): After a series of calculations, pressing GT will display the sum of all results.
- % (procentotagE): Pro procentatage calculations. Example: To calculate 10% of 200, enter 200 × 10 %, the result will be 20.
- √ (druhá odmocnina): Enter a number, then press √ to find its square root.
- MU (Mark-Up): Used for calculating selling prices based on cost and desired profit margin.
5. Údržba
5.1 Čištění
Pro zachování vzhledu a funkčnosti kalkulačky:
- Kalkulačku otřete měkkým, suchým hadříkem.
- Pro odolnou špínu lehceamphadřík omyjte vodou a jemným mýdlem a poté ihned otřete dosucha.
- Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the surface and internal components.
5.2 Výměna baterie
When the display becomes dim or unresponsive in low light, it may be time to replace the L1154F battery.
- Otočte kalkulačku.
- Vyhledejte kryt přihrádky na baterie.
- Carefully remove the cover (a small screwdriver may be needed).
- Remove the old battery and insert a new L1154F battery, ensuring correct polarity (+/-).
- Bezpečně nasaďte kryt prostoru pro baterie.
5.3 Skladování
Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures. Avoid placing heavy objects on top of the calculator.
6. Řešení problémů
| Problém | Možná příčina | Řešení |
|---|---|---|
| Displej je prázdný nebo tmavý. | Nedostatek světla pro solární napájení nebo slabá baterie. | Move to a brighter area or replace the L1154F battery. |
| Nesprávné výsledky výpočtu. | Incorrect key input, or memory not cleared. | Stiskněte AC to clear all and restart calculation. Double-check input. Clear memory with MC v případě potřeby. |
| Klávesy nereagují. | Calculator may be frozen or battery is completely drained. | Zkuste stisknout AC. If unresponsive, replace the battery. |
7. Specifikace
| Funkce | Detail |
|---|---|
| Značka | OSALO |
| Název modelu | FQ-450 |
| Zobrazení číslic | 12 číslic |
| Velikost obrazovky | 6 palce |
| Barva | Bílá / stříbrná |
| Zdroj napájení | Solar and Battery (L1154F included) |
| Složení baterie | Alkalický |
| Materiál | Plast, kov |
| Rozměry produktu | 17L x 16.7W centimeters (approx. 6.7 x 6.6 inches) |
8. Záruka a podpora
8.1 Informace o záruce
OSALO products are manufactured to high-quality standards. For specific warranty details, please refer to the packaging or contact OSALO customer support directly. Keep your purchase receipt as proof of purchase for any warranty claims.
8.2 Zákaznická podpora
If you encounter any issues or have questions not covered in this manual, please contact OSALO customer support. Contact information can typically be found on the product packaging or the official OSALO webmísto.