1. Entwodiksyon
Thank you for choosing the Aurora DT661 Business Calculator. This manual provides detailed instructions on how to set up, operate, and maintain your calculator to ensure optimal performance. The DT661 is designed for business and financial calculations, featuring a large 12-digit display, durable metal casing, and specialized functions like Cost-Sell-Margin and Tax calculations.

Figure 1: Aurora DT661 Business Calculator Overview
2. Enstalasyon
2.1 Sous pouvwa
The Aurora DT661 calculator operates using both solar power and a single product-specific alkaline battery (included). For optimal performance, ensure the solar panel is exposed to sufficient light. The battery provides power in low-light conditions or when solar power is insufficient.
2.2 Premye Itilizasyon
Upon first use, or after extended storage, the display may be blank. Place the calculator in a well-lit area to activate the solar power, or press the 'AC' button to clear any residual memory and ensure the display is active.
3. Operasyon Enstriksyon
3.1 Operasyon Aritmetik Debaz
Perform standard calculations using the number keys (0-9, 00, .), and operation keys (+, -, X, ÷, =).
- Adisyon (+): Enter first number, press '+', enter second number, press '='.
- Soustraksyon (-): Enter first number, press '-', enter second number, press '='.
- Multiplication (X): Enter first number, press 'X', enter second number, press '='.
- Divizyon (÷): Enter first number, press '÷', enter second number, press '='.
3.2 Fonksyon Klè
- AC (tout klè): Efase tout antre ak memwa, retabli kalkilatris la nan eta inisyal li.
- C/CE (Clear Entry/Clear): Clears the last entered number. Pressing it twice typically clears the entire calculation without affecting memory.
3.3 Fonksyon espesyal
- Cost-Sell-Margin (CSM): This function allows you to calculate any one of Cost, Selling Price, or Margin when the other two values are known.
- Tax Function (+TAX, -TAX): Ideal for VAT calculations.
- Programmable Currency Conversion: Allows setting a conversion rate for quick currency exchanges. Refer to the detailed instructions in the product packaging for setting specific rates.
- Fonksyon Memwa (M+, M-, MRC):
- M+: Ajoute valè ki parèt la nan memwa.
- M-: Soustrè valè ki parèt la nan memwa.
- MRC (Rapel memwa/Klè): Peze yon fwa pou raple valè memwa a. Peze de fwa pou efase memwa a.
- Pousantage (%): Kalkile pousantages.
- Square Root (√): Kalkile rasin kare nimewo ki parèt la.
- +/- (Chanjman Siyal): Chanje siy nimewo ki parèt la (pozitif an negatif, oubyen negatif an pozitif).
4. Antretyen
4.1 Netwayaj
To clean the calculator, use a soft, dry cloth. For stubborn marks, a slightly damp cloth with mild soap can be used, but ensure no liquid enters the calculator. Do not use abrasive cleaners or solvents.
4.2 Ranplasman batri
While the calculator is primarily solar-powered, the included alkaline battery provides backup. If the display becomes dim or unresponsive in low light, the battery may need replacement. Refer to the battery compartment on the back of the unit for specific battery type and replacement instructions.
4.3 Depo
Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures when not in use for extended periods.
NAN. Depanaj
- Ekran an vid oswa li pa klere byen:
- Ensure the solar panel is exposed to sufficient light.
- The battery may be low or depleted. Replace the battery if necessary.
- Press the 'AC' button to reset the display.
- Kalkil ki pa kòrèk:
- Ensure correct input sequence.
- Clear previous calculations using 'AC' or 'C/CE'.
- Check if memory (M) is active and clear it if not intended.
- Kle yo pa reponn:
- Ensure the calculator is clean and free of debris around the keys.
- Press 'AC' to reset the unit.
6. Espesifikasyon
| Karakteristik | Detay |
|---|---|
| Nimewo Modèl | DT661 |
| Ekspozisyon | LCD 12 chif |
| Sous pouvwa | Solar Powered with Alkaline Battery Backup |
| Materyèl | Metal plastik |
| Pwa atik | 3.95 ons |
| Dimansyon pwodwi | 1 x 1 x 0.1 pous |
| Fonksyon kle | Cost-Sell-Margin, Tax, Memory, Percentage, Square Root, Currency Conversion |
7. Garanti ak sipò
For information regarding warranty coverage and customer support, please refer to the warranty card included with your product packaging or visit the official Aurora websit la. Kenbe resi acha ou kòm prèv acha pou nenpòt reklamasyon garanti.





