Indledning
The Texas Instruments TI-503SV is a compact, 8-digit pocket calculator designed for basic arithmetic operations. Its SuperView display ensures clear readability, and well-spaced rubber keys provide comfortable input. This manual provides instructions for setting up, operating, maintaining, and troubleshooting your TI-503SV calculator.
Nøglefunktioner:
- 8-digit SuperView LCD display for enhanced visibility.
- Well-spaced rubber keys for comfortable and accurate data entry.
- Automatic power-down feature to conserve battery life.
- Change sign (+/-) key for easy entry of negative numbers.
- Last answer function for recalling previous results.
Produkt overview
Figur 1: Front view of the Texas Instruments TI-503SV Pocket Calculator, showing the 8-digit LCD display and key layout.
The calculator features a clear LCD display at the top, followed by the power and clear keys. Below these are the function keys, number pad, and operation keys. The compact design makes it suitable for portability.
Opsætning
Installation af batteri
The TI-503SV calculator requires one Lithium Ion battery for operation. The battery compartment is typically located on the back of the unit.
- Find batteridækslet på bagsiden af lommeregneren.
- Åbn forsigtigt batteridækslet med en lille skruetrækker eller mønt.
- Insert one Lithium Ion battery, ensuring the positive (+) and negative (-) terminals are correctly aligned as indicated inside the compartment.
- Sæt batterirummets dæksel på igen og fastgør det.
Første gang tændt
Efter installation af batteriet skal du trykke på ON/C key to turn on the calculator. The display should show "0" or "0.". If the display does not appear, check the battery installation or replace the battery.
Betjeningsvejledning
Grundlæggende beregninger
- Tilføjelse (+): Indtast det første tal, tryk på +, indtast det andet tal, og tryk derefter på =.
- Subtraktion (-): Indtast det første tal, tryk på -, indtast det andet tal, og tryk derefter på =.
- Multiplikation (x): Indtast det første tal, tryk på x, indtast det andet tal, og tryk derefter på =.
- Division (÷): Indtast det første tal, tryk på ÷, indtast det andet tal, og tryk derefter på =.
Særlige funktioner
- TIL/F (Til/Ryd): Turns the calculator on. When on, pressing it once clears the current entry. Pressing it twice clears all entries and memory.
- OFF: Slukker lommeregneren.
- +/- (Change Sign): Changes the sign of the displayed number from positive to negative or negative to positive.
- % (Percent): Bruges til procenttage beregninger. F.eksampf.eks. for at beregne 10% af 50: indtast 50, tryk på x, indtast 10, tryk %.
- √ (Kvadratrod): Calculates the square root of the displayed number. Enter the number, then press √.
- M+ (Memory Plus): Tilføjer det viste tal til hukommelsen.
- M- (Hukommelse minus): Trækker det viste tal fra hukommelsen.
- MRC (Memory Recall/Clear): Tryk én gang for at genkalde den værdi, der er gemt i hukommelsen. Tryk to gange for at slette hukommelsen.
Automatisk nedlukning
To conserve battery life, the calculator will automatically power down after a period of inactivity. Press the ON/C key to turn it back on.
Opretholdelse
Rensning
Brug en blød, tør klud til at rengøre lommeregneren. Til genstridigt snavs, tør letampen the cloth with water. Do not use abrasive cleaners, solvents, or spray directly onto the calculator, as this may damage the display or keys.
Udskiftning af batteri
When the display becomes dim or the calculator functions erratically, it is time to replace the battery. Follow the battery installation steps outlined in the "Setup" section. Ensure proper disposal of old batteries according to local regulations.
Opbevaring
Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, it is recommended to remove the battery to prevent leakage.
Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Lommeregneren tænder ikke. | Dødt eller forkert installeret batteri. | Kontroller batteriinstallationen. Udskift batteriet om nødvendigt. |
| Skærmen er svag eller tom. | Lav batteristrøm. | Udskift batteriet. |
| Forkerte beregningsresultater. | Incorrect key entry or function usage. | Review operating instructions. Press ON/C twice to clear all entries and memory, then re-enter calculation. |
| Tasterne reagerer ikke. | Dirt or debris under keys. | Gently clean around the keys. Avoid excessive force. |
Specifikationer
- Model: TI-503SV
- Vise: 8-Digit LCD (SuperView)
- Strømkilde: 1 lithium-ion batteri
- Dimensioner (H x B x D): 1.91 x 7.87 x 12.19 cm (0.75 x 3.10 x 4.80 tommer)
- Vægt: 83 g (2.93 oz)
- Materiale: Gummi nøgler
- Funktioner: Automatic power-down, change sign key, percent key, square root, memory functions.
Garanti og support
Texas Instruments products are manufactured to high-quality standards. For information regarding warranty coverage, please refer to the warranty card included with your product or visit the official Texas Instruments webwebsted.
For technical support, frequently asked questions, or to contact customer service, please visit the Texas Instruments support page at education.ti.com/en/support.