Introducció
The Lenco CR-640 is a sleek and modern alarm clock radio designed to provide a reliable and enjoyable audio experience. It features automatic time adjustment, a dual alarm function, and powerful room-filling sound from its integrated speaker. With both DAB+ and PLL FM tuners, you can access a wide range of radio stations. Its understated design ensures it blends seamlessly into any bedside environment. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your CR-640BK.
Característiques clau
- Automatic summer and winter time adjustment with dual alarm function.
- Powerful sound output via integrated speaker.
- PLL FM tuner for stable reception of favorite stations.
- DAB+ digital radio for clear, high-quality audio.
- Connectivitat Bluetooth per a la transmissió d'àudio sense fil.
- Simple and modern design, suitable for any bedside table.
- Easy-to-use interface without complicated buttons or settings.
- Integrated battery backup for reliable wake-up even during power outages.
Producte acabatview

Imatge: Frontal view of the Lenco CR-640BK alarm clock radio, displaying the time '16:10' and 'BBC WORLD SERVICE' on its digital screen. The extendable antenna is visible at the top, and the Lenco brand logo is on the right side of the display.
Configuració
- Desembalatge: Carefully remove the CR-640BK from its packaging. Ensure all components, including the main unit and power adapter, are present.
- Connexió d'alimentació: Connect the provided power adapter to the DC IN port on the back of the unit and plug it into a standard wall outlet.
- Ajust de l'antena: Extend the telescopic antenna fully for optimal DAB+ and FM radio reception. Adjust its position for the best signal quality.
- Bateria de reserva (opcional): For reliable wake-up during power outages, insert backup batteries (type and quantity specified in the battery compartment, typically AA or AAA) into the designated compartment.
- Encesa inicial: The unit will power on automatically or can be turned on by pressing the Power button. The time will automatically synchronize via DAB+ or FM signal, or you may need to set it manually if automatic synchronization is not immediately available.
Instruccions de funcionament
Radio Operation (DAB+/FM)
- Canvi de modes: Press the 'Source' button to switch between DAB+, FM, and Bluetooth modes.
- DAB+ Tuning: In DAB+ mode, the radio will automatically scan for available stations upon first use. Use the 'Tune' or 'Next/Previous' buttons to navigate through the station list.
- Sintonització FM: In FM mode, press and hold the 'Tune' button to auto-scan for the next available station. Alternatively, press the 'Tune' button briefly and then use the 'Next/Previous' buttons to manually adjust the frequency.
- Desant els valors predefinits: To save a station, tune to the desired station, then press and hold a 'Preset' button (e.g., 1-5) until the display confirms it's saved. To recall a preset, briefly press the corresponding 'Preset' button.
Configuració d'alarma
- Configuració d'alarmes: Press the 'Alarm' button to enter alarm setting mode. Use the 'Next/Previous' buttons to select Alarm 1 or Alarm 2. Follow the on-screen prompts to set the alarm time, alarm source (buzzer, radio), and alarm volume.
- Activació/desactivació d'alarmes: Once set, press the 'Alarm' button repeatedly to toggle the alarm on or off. An alarm icon will appear on the display when active.
- Funció de posposar: When the alarm sounds, press the 'Snooze' button to temporarily silence it for a set period (e.g., 9 minutes).
- Aturar l'alarma: To turn off the alarm completely, press the 'Power' button.
Funcionament Bluetooth
- Maridatge: Switch the radio to Bluetooth mode. The display will show 'Pairing' or 'BT'. On your mobile device, enable Bluetooth and select 'Lenco CR-640BK' from the list of available devices.
- Reproducció d'àudio: Once paired, you can stream audio from your device to the CR-640BK. Use your device's controls for playback (play/pause, skip tracks).
Controls generals
- Control de volum: Use the 'Volume Up' and 'Volume Down' buttons to adjust the sound level.
- Brillantor de la pantalla: Some models allow adjustment of display brightness. Refer to the specific button or menu option for 'Dimmer' or 'Display'.
Manteniment
- Neteja: Desconnecteu l'alimentació abans de netejar-la. Feu servir un drap suau i sec per netejar l'exterior de la unitat. No utilitzeu productes de neteja abrasius, ceres ni dissolvents, ja que poden danyar l'acabat.
- Cura de l'antena: Handle the telescopic antenna with care to prevent bending or breaking.
- Substitució de la bateria: If using battery backup, replace batteries periodically (e.g., annually) or when the low battery indicator appears. Dispose of old batteries responsibly.
- Emmagatzematge: If storing the unit for an extended period, disconnect it from power and remove any backup batteries. Store in a cool, dry place.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense poder | Power adapter not connected; outlet not active | Ensure power adapter is securely connected to unit and a working outlet. |
| Sense so | Volume too low; Mute activated; Incorrect source selected | Increase volume. Check if mute is active. Select correct audio source (DAB+, FM, BT). |
| Mala recepció de ràdio | Antenna not extended/positioned correctly; Weak signal area | Fully extend and adjust the telescopic antenna. Try relocating the unit to an area with better signal. |
| L'alarma no sona | Alarm not activated; Alarm volume too low; Incorrect alarm time set | Ensure alarm is set and activated (icon visible). Increase alarm volume. Verify alarm time. |
| S'ha produït un error en l'aparellament de Bluetooth | Device not in pairing mode; CR-640BK not in Bluetooth mode; Device too far | Ensure both devices are in pairing mode. Move devices closer. Try unpairing and re-pairing. |
Especificacions
| Marca | Lenco |
| Número de model | A005097 |
| Tecnologia de connectivitat | Bluetooth |
| Tecnologia d'afinació | DAB+, FM |
| Característiques especials | Integrated clock, Dual Alarm, Battery Backup |
| Dimensions del producte (L x A x A) | 22.5 x 6.5 x 6.5 cm |
| Freqüència | 108 MHz (FM max) |
| Components inclosos | DAB+ Alarm Clock Radio, Power Adapter, User Manual |
Garantia i Suport
For warranty information and technical support, please refer to the warranty card included with your product or visit the official Lenco weblloc web. Conserveu el comprovant de compra per a qualsevol reclamació de garantia.





