Įvadas
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.
Sąranka
1. Akumuliatoriaus įdėjimas
The Deli 1700 240F Scientific Calculator operates on both solar power and two nonstandard batteries. For optimal performance, ensure batteries are installed correctly.
- Skaičiuoklės gale suraskite baterijų skyriaus dangtelį.
- 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.
- Uždėkite akumuliatoriaus skyriaus dangtelį ir pritvirtinkite jį varžtu.
Note: The calculator also utilizes solar power. Ensure adequate light exposure for solar operation, especially when batteries are low or not installed.
2. Pradinis įjungimas
Paspauskite [ĮJUNGTA] 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.
Naudojimo instrukcijos
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. Basic Arithmetic Operations
Įveskite skaičius naudodami skaitmeninę klaviatūrą. Naudokite [+], [-], [×], ir [÷] keys for addition, subtraction, multiplication, and division, respectively. Press [=] norint gauti rezultatą.
2. Mokslinės funkcijos
The calculator includes various scientific functions accessible via the [SHIFT] raktas. Paspauskite [SHIFT] followed by the desired function key to activate its secondary function (indicated above the key).
- Trigonometrinės funkcijos: [SIN], [COS], [TAN] ir jų atvirkštinės funkcijos ([SHIFT] + [SIN⁻¹]ir kt.).
- Logaritminės funkcijos: [LOG] (10 bazė) ir [LN] (natūralusis logaritmas).
- Laipsnio ir šaknies funkcijos: [x²], [√], [xʸ], [ʸ√x].
- Factorial: [x!].
3. Atminties funkcijos
Store and recall values using the memory keys:
- [M+]: Įtraukia rodomą reikšmę į atmintį.
- [M-]: Atima rodomą reikšmę iš atminties.
- [MR]: Recalls the value from memory.
- [MC]: Išvalo atmintį.
4. Angle Units
The calculator supports Degree (DEG), Radian (RAD), and Grad (GRA) angle units. Press [REŽIMAS] repeatedly to cycle through the angle units. The current unit is indicated on the display.

Paveikslėlis: detalus 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.
Priežiūra
1. Valymas
To clean the calculator, use a soft, dry cloth. Do not use abrasive cleaners, solvents, or spray directly onto the calculator. Avoid excessive moisture.
2. Baterijos keitimas
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. Sandėliavimas
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.
Trikčių šalinimas
| Problema | Galima priežastis | Sprendimas |
|---|---|---|
| Ekranas tuščias arba blankus. | Low batteries or insufficient light for solar power. | Replace batteries or move to a brighter area. |
| Neteisingi skaičiavimo rezultatai. | 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. |
| Skaičiuoklė nereaguoja į klavišų paspaudimus. | Temporary system error or very low power. | Paspauskite [ĮJUNGTA]/[OFF], to restart. If issue persists, remove and reinsert batteries. |
Specifikacijos
- Prekinis ženklas: Deli
- Modelis: 1700
- Modelio pavadinimas: 240F
- Skaičiuotuvo tipas: Inžinerija/mokslas
- Ekrano tipas: LCD, Two-line display
- Skaičiai: 10+2 skaitmenys
- Maitinimo šaltinis: Solar Powered & Battery
- Baterijų skaičius: 2 nestandartinė baterija (reikalinga)
- Ekrano dydis: 1 Centimeter (approximate viewable area)
- Spalva: Baltas
- Korpuso medžiaga: Plastikiniai
- Gamintojas: Deli
Informacija apie garantiją
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.
Pagalba klientams
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.