Zavedení
This manual provides detailed instructions for the proper use and maintenance of your Deli 1700 240F Scientific Calculator. Please read this manual thoroughly before using the calculator to ensure correct operation and to maximize its lifespan. This calculator is designed for a wide range of mathematical and scientific computations, featuring a two-line display and 10+2 digits for enhanced functionality.
Nastavení
1. Instalace baterie
The Deli 1700 240F Scientific Calculator operates on both solar power and two nonstandard batteries. For optimal performance, ensure batteries are installed correctly.
- Najděte kryt přihrádky na baterie na zadní straně kalkulačky.
- Using a small screwdriver, carefully remove the screw and slide off the battery compartment cover.
- Insert two nonstandard batteries, ensuring the positive (+) and negative (-) terminals are aligned correctly as indicated inside the compartment.
- Nasaďte kryt prostoru pro baterie a zajistěte jej šroubem.
Note: The calculator also utilizes solar power. Ensure adequate light exposure for solar operation, especially when batteries are low or not installed.
2. Počáteční zapnutí
Stiskněte tlačítko [NA] button to turn on the calculator. The display should show '0' or a similar initial state. If the display does not appear, check battery installation or ensure sufficient light for solar power.
Návod k obsluze
The Deli 1700 240F features a two-line display, showing the input expression on the upper line and the result on the lower line. It supports 240 types of functions.

Image: The Deli 1700 Scientific Calculator's two-line display, illustrating its ability to show both input and results simultaneously. This image highlights the clear numerical output and function indicators.
1. Základní aritmetické operace
Zadejte čísla pomocí numerické klávesnice. Použijte [+], [-], [×]a [÷] klávesy pro sčítání, odčítání, násobení a dělení. Stiskněte [=] aby se dosáhlo výsledku.
2. Vědecké funkce
The calculator includes various scientific functions accessible via the [POSUN] klíč. Stiskněte [POSUN] followed by the desired function key to activate its secondary function (indicated above the key).
- Goniometrické funkce: [SIN], [COS], [TAN] a jejich inverzní funkce ([POSUN] + [SIN⁻¹], atd.).
- Logaritmické funkce: [LOG] (základ 10) a [LN] (přirozený logaritmus).
- Mocnina a odmocninové funkce: [x²], [√], [xʸ], [ʸ√x].
- Factorial: [x!].
3. Paměťové funkce
Store and recall values using the memory keys:
- [M+]: Adds the displayed value to memory.
- [M-]: Subtracts the displayed value from memory.
- [PAN]: Recalls the value from memory.
- [MC]: Clears the memory.
4. Angle Units
The calculator supports Degree (DEG), Radian (RAD), and Grad (GRA) angle units. Press [REŽIM] repeatedly to cycle through the angle units. The current unit is indicated on the display.

Obrázek: Podrobný view of the Deli 1700 Scientific Calculator's display and key layout. This image emphasizes the model number and the clarity of the 10+2 digit display, along with key labels like SHIFT and ALPHA.
Údržba
1. Čištění
K čištění kalkulačky použijte měkký, suchý hadřík. Nepoužívejte abrazivní čisticí prostředky, rozpouštědla ani nestříkejte přímo na kalkulačku. Zabraňte nadměrné vlhkosti.
2. Výměna baterie
When the display becomes dim or calculations are incorrect, it may be time to replace the batteries. Follow the battery installation steps outlined in the Setup section. Always replace both batteries at the same time with new ones of the same type.
3. Skladování
Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures. Avoid dropping the calculator or subjecting it to strong impacts.
Odstraňování problémů
| Problém | Možná příčina | Řešení |
|---|---|---|
| Displej je prázdný nebo tmavý. | Low batteries or insufficient light for solar power. | Replace batteries or move to a brighter area. |
| Nesprávné výsledky výpočtu. | Incorrect mode setting (e.g., angle unit) or input error. | Check angle unit (DEG/RAD/GRA). Clear all memory and re-enter calculation. Press [CLR] to clear current calculation. |
| Kalkulačka nereaguje na stisknutí kláves. | Temporary system error or very low power. | Stiskněte [NA]/[OFF] to restart. If issue persists, remove and reinsert batteries. |
Specifikace
- Značka: Deli
- Model: 1700
- Název modelu: 240F
- Typ kalkulačky: Inženýrské/vědecké
- Typ displeje: LCD, Two-line display
- Číslice: 10+2 číslice
- Zdroj napájení: Solar Powered & Battery
- Počet baterií: 2 nestandardní baterie (vyžadováno)
- Velikost obrazovky: 1 Centimeter (approximate viewschopná oblast)
- Barva: Bílý
- Materiál pouzdra: Plast
- Výrobce: Deli
Informace o záruce
This Deli 1700 240F Scientific Calculator is covered by a standard manufacturer's warranty. Please refer to the packaging or contact your retailer for specific warranty terms and conditions. Keep your proof of purchase for warranty claims.
Zákaznická podpora
For further assistance, technical support, or inquiries regarding your Deli 1700 240F Scientific Calculator, please contact Deli customer service through their official website or the contact information provided with your purchase. Ensure you have your model number (1700 240F) ready when contacting support.





