1. Introducció
Thank you for choosing the Sper Scientific 810035A Large Display Water Resistant Stopwatch. This device is engineered for accuracy and durability, making it suitable for various timing applications, including sports, training, and scientific measurements. Please read this manual thoroughly to understand its features and ensure proper operation.

Imatge 1: Frontal view of the Sper Scientific 810035A Stopwatch, displaying the time and various function buttons.
2. Característiques clau
- Clear, Oversized Display: Designed with a large, easy-to-read digital display for quick time tracking.
- Versatile Timing Modes: Supports lap timing, split timing, and total event tracking.
- Disseny resistent a l'aigua: Built to withstand wet environments, suitable for swimming, boating, or rainy conditions.
- High-Precision Timing: Achieves 1/100th-second accuracy for precise measurements.
- Disseny ergonòmic: Lightweight and shaped for comfortable, one-handed operation, includes a neck lanyard for accessibility.
3. Configuració inicial
3.1 Instal·lació de la bateria
The stopwatch typically comes with a battery pre-installed. If the display is blank or dim, battery replacement may be necessary. To replace the battery:
- Localitza el compartiment de la bateria a la part posterior del cronòmetre.
- Carefully open the compartment using a small screwdriver if required.
- Insert a new CR2032 lithium coin cell battery, ensuring correct polarity (+ side up).
- Tanqueu de manera segura el compartiment de la bateria.

Imatge 2: posterior view of the Sper Scientific 810035A Stopwatch, highlighting the battery compartment and model number.
3.2 Configuració de l'hora i la data
In Clock Mode (default display), press the MODE button until the time display flashes. Use the INICI/PARA button to adjust the flashing digit and the DIVISIÓ/RESET button to move to the next digit. Repeat for hours, minutes, seconds, month, day, and year. Press MODE again to confirm and exit setting mode.
4. Instruccions de funcionament
4.1 Mode de cronòmetre
To enter Stopwatch Mode, press the MODE button until the stopwatch display (0:00:00) appears.
- Hora d'inici: Premeu el botó INICI/PARA botó per començar a cronometrar.
- Stop Timing: Premeu el botó INICI/PARA premeu el botó de nou per pausar el temps.
- Resume Timing: Premeu el botó INICI/PARA button to continue from where it was paused.
- Restablir: Mentre el cronòmetre està aturat, premeu la tecla DIVISIÓ/RESET button to clear the time to zero.
- Split/Lap Time: While the stopwatch is running, press the DIVISIÓ/RESET button to record a split time. The main timer continues to run in the background. Press DIVISIÓ/RESET again to return to the running time display.

Image 3: A hand holding the Sper Scientific 810035A Stopwatch, demonstrating its ergonomic design and size.
4.2 Clock Mode
This mode displays the current time and date. To switch between 12-hour and 24-hour formats, press the INICI/PARA button while in Clock Mode (not in setting mode).
4.3 Mode d'alarma
Per configurar l'alarma:
- Premeu el botó MODE button until the alarm time display appears.
- Premeu DIVISIÓ/RESET to select the hour or minute digit to adjust.
- Ús INICI/PARA per canviar el valor.
- Premeu MODE per confirmar.
Per activar/desactivar l'alarma, premeu el botó INICI/PARA button while in Alarm Mode (not in setting mode). An alarm icon will appear on the display when activated.
5. Manteniment
5.1 Neteja
Netegeu el cronòmetre amb un drap suauamp drap. No utilitzeu netejadors abrasius ni dissolvents, ja que poden danyar el casing o pantalla.
5.2 Resistència a l'aigua
The Sper Scientific 810035A is water-resistant. This means it can withstand splashes, rain, and brief immersion in water. However, it is not designed for prolonged underwater use or high-pressure water activities. Ensure the battery compartment is securely closed to maintain water resistance.
5.3 Substitució de la bateria
Refer to section 3.1 for battery replacement instructions. Always use a fresh CR2032 battery for optimal performance.
6. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La pantalla està en blanc o tènue. | Bateria baixa o esgotada. | Substituïu la bateria (CR2032). |
| Els botons no responen. | Error temporal de programari o bateria baixa. | Remove and reinsert the battery to reset the device. If issue persists, replace battery. |
| L'hora/data és incorrecta. | Not set correctly or battery removed. | Follow instructions in section 3.2 to reset time and date. |
7. Especificacions
- Model: 810035A
- Marca: Sper Científic
- Material: Plàstic
- Dimensions: 0.75 "P x 3" W x 2.25" H
- Pes de l'article: 1.5 unces
- Precisió: 1/100-second
- Resistència a l'aigua: Sí
- Font d'alimentació: 1 x bateria CR2032 (inclosa)
- UPC: 816366025522
8. Garantia i Suport
Sper Scientific products are designed for reliability and performance. For information regarding warranty coverage, technical support, or service, please visit the official Sper Scientific weblloc web o poseu-vos en contacte amb el seu departament d'atenció al client. Conserveu el rebut de compra com a comprovant de compra per a reclamacions de garantia.
Per a més ajuda, podeu visitar el Sper Scientific Store on Amazon.





