1. Introducció
Thank you for choosing the Renkforce 4161c12 Radio Controlled Alarm Clock. This manual provides essential information for the safe and efficient operation of your device. Please read these instructions carefully before use and retain them for future reference.
2. Instruccions de seguretat
- No exposeu el dispositiu a temperatures extremes, llum solar directa ni humitat elevada.
- Eviteu deixar caure el dispositiu o sotmetre-lo a forts impactes.
- Mantingueu el dispositiu allunyat de l'aigua i altres líquids.
- Only use the specified battery type (AA). Ensure correct polarity when inserting batteries.
- Traieu les piles si no heu d'utilitzar el dispositiu durant un període prolongat per evitar fuites.
- No intenteu desmuntar ni modificar el dispositiu. Encarregueu tot el manteniment a personal qualificat.
3. Contingut del paquet
Please check that all items listed below are present and in good condition:
- Renkforce 4161c12 Radio Controlled Alarm Clock
- Manual d'usuari (aquest document)
Nota: Cal 1 pila AA per al funcionament i no està inclosa.
4. Producte acabatview
The Renkforce 4161c12 is a compact radio-controlled alarm clock designed for clear time display and reliable alarm functions. Its sleek black design and easy-to-read display make it suitable for any bedside table or desk.

Figura 4.1: Davant view of the Renkforce 4161c12 Radio Controlled Alarm Clock. The display shows the current time (20:36), alarm indicators, date (20/10), and temperature (23.8°C). The Renkforce logo is visible at the bottom.

Figura 4.2: The alarm clock positioned on a desk, demonstrating its compact size and suitability for various environments. It is shown alongside a laptop and a desk lamp.

Figura 4.3: posterior view of the alarm clock, highlighting the control buttons for settings and the battery compartment cover. This view is crucial for understanding how to operate the device.
5. Configuració
5.1. Instal·lació de la bateria
- Locate the battery compartment cover on the back of the alarm clock (refer to Figure 4.3).
- Feu lliscar o aixequeu la tapa per obrir el compartiment.
- Inseriu una (1) pila AA, assegurant-vos de la polaritat correcta (+ i -) tal com s'indica a l'interior del compartiment.
- Col·loqueu la coberta del compartiment de la bateria amb seguretat.
5.2. Initial Setup and Radio Signal Reception
Upon battery insertion, the alarm clock will automatically attempt to receive the radio time signal (DCF77 in Europe). This process may take several minutes. During reception, a signal icon (often a tower or antenna symbol) will typically flash on the display.
- Place the alarm clock near a window for optimal signal reception.
- Avoid placing it near electronic devices that may cause interference (e.g., TVs, computers, mobile phones).
- Once the signal is successfully received, the time and date will be automatically set and synchronized. The signal icon will appear solid on the display.
- If the signal is not received within a few minutes, try repositioning the clock or manually setting the time (see Section 6.1). The clock will continue to attempt signal reception periodically.
6. Instruccions de funcionament
Familiarize yourself with the buttons on the back of the device (refer to Figure 4.3 for general location). Common buttons include MODE, SET, UP/+, DOWN/-, ALARM, SNOOZE/LIGHT.
6.1. Configuració manual de l'hora
If radio reception is unavailable or you wish to set the time manually:
- Manteniu premut el botó MODE or SET button for a few seconds until the time display starts flashing.
- Utilitza el UP/+ i BAIX/- botons per ajustar les hores.
- Premeu MODE or SET again to move to minutes, then adjust using UP/+ i BAIX/-.
- Continueu prement MODE or SET to cycle through other settings like year, month, date, and 12/24-hour format, adjusting each as needed.
- Premeu MODE or SET one last time, or wait for a few seconds, to exit the setting mode.
6.2. Configuració d'alarmes (alarma 1 i alarma 2)
This alarm clock supports two independent alarms. To set an alarm:
- Premeu el botó ALARMA button once to display Alarm 1 time. Press again for Alarm 2 time.
- While the desired alarm time is displayed, press and hold the ALARMA fins que l'hora de l'alarma comenci a parpellejar.
- Ús UP/+ i BAIX/- per configurar l'hora d'alarma desitjada.
- Premeu ALARMA again to move to minutes, then adjust using UP/+ i BAIX/-.
- Premeu ALARMA one last time, or wait, to confirm and exit.
- Per activar/desactivar una alarma, premeu la tecla ALARMA button repeatedly until the alarm icon (e.g., a bell) appears or disappears for the respective alarm.
6.3. Snooze Function and Backlight
- Quan soni una alarma, premeu la tecla gran SNOOZE / LIGHT button to temporarily silence the alarm. The alarm will sound again after a few minutes (typically 5-10 minutes).
- Per apagar l'alarma completament, premeu qualsevol altre botó (per exemple, ALARMA or MODE).
- To activate the backlight for a few seconds, press the SNOOZE / LIGHT button when the alarm is not sounding.
6.4. Weekend Function
This model may feature a weekend function, allowing the alarm to be active only on weekdays (Monday-Friday) or to have different settings for weekdays and weekends. Consult the display for specific indicators (e.g., "1-5" for weekdays) and use the MODE or ALARMA buttons in conjunction with UP/+ or BAIX/- to cycle through alarm modes (e.g., everyday, weekday, weekend).
7. Manteniment
- Neteja: Netegeu el dispositiu amb un drap suau i sec. No utilitzeu productes de neteja abrasius ni dissolvents.
- Substitució de la bateria: Replace the AA battery when the display dims or the clock stops functioning correctly. Follow the battery installation steps in Section 5.1.
8. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La pantalla està en blanc o tènue. | Bateria baixa o esgotada. Instal·lació incorrecta de la bateria. | Replace the AA battery. Ensure correct polarity (+/-). |
| L'hora és incorrecta o no s'estableix automàticament. | Poor radio signal reception. Interference from other electronics. | Move the clock closer to a window. Keep away from electronic devices. Manually set the time (Section 6.1). |
| L'alarma no sona. | Alarm is not activated. Alarm volume is too low (if adjustable). Incorrect alarm time set. | Ensure the alarm icon is displayed (Section 6.2). Verify alarm time. |
| La retroiluminació no funciona. | Backlight is momentary and requires button press. | Press the SNOOZE/LIGHT button to activate the backlight (Section 6.3). |
9. Especificacions
| Característica | Detall |
|---|---|
| Marca | Renkforce |
| Número de model | 4161c12 |
| Color | Negre |
| Característica especial | Radio Controlled Time (DCF77) |
| Font d'alimentació | Funciona amb bateria |
| Tipus de bateria | 1 x AA (no inclòs) |
| Forma | Round (display), Square (overall casing) |
| Material | Acrilonitril butadiè estirè (plàstic) |
| Tipus de muntatge | Taula |
| Dimensions del producte | 3.66 x 1.42 x 3.66 polzades (aprox. 9.3 x 3.6 x 9.3 cm) |
| Pes de l'article | 5 unces (aproximadament 142 grams) |
| Rellotge despertador | Yes, with 2 wake-up times and Snooze function |
| Mode d'operació | Electrical (battery-powered) |
10. Garantia i Suport
Renkforce products are designed for reliability and performance. For information regarding warranty terms, technical support, or service, please refer to the warranty card included with your purchase or visit the official Renkforce website. Please have your model number (4161c12) and purchase details ready when contacting support.





