1. Introdución
This manual provides instructions for the TFA Dostmann 60.2548.01 Digital Radio Alarm Clock. This device features a color display, outdoor temperature measurement via a wireless transmitter, indoor temperature display, a radio-controlled clock, and a USB charging port. Please read these instructions carefully before use to ensure proper operation and to maximize the product's lifespan.
2. Contido do paquete
- 1x TFA Dostmann 60.2548.01 Digital Radio Alarm Clock
- 1 x adaptador de alimentación
- 1x TFA 30.3236.02 Outdoor Transmitter
- 2x 1.5V AA Batteries (for base unit)
- 2x 1.5V AAA Batteries (for transmitter)
- 1 x manual de instrucións
3. Características do produto
- Color display with 2 brightness levels.
- Automatic color change (70 colors) or selectable fixed color.
- Radio-controlled clock (DCF77 signal) for precise time.
- Alarm function with snooze.
- Outdoor temperature display via wireless transmitter.
- Indoor temperature display.
- Date and day of the week in 7 languages.
- USB charging port (1A) for mobile devices.
- Time zone setting (+2/-1).
4. Configuración
4.1. Instalación da batería
For the Outdoor Transmitter (TFA 30.3236.02):
- Open the battery compartment cover on the back of the outdoor transmitter.
- Insert 2x 1.5V AAA batteries, observing the correct polarity (+/-).
- Pecha a tapa do compartimento da batería de forma segura.
For the Main Unit (Alarm Clock):
- Abra a tapa do compartimento das pilas na parte traseira do reloxo despertador.
- Insert 2x 1.5V AA batteries, observing the correct polarity (+/-). These batteries serve as a backup for time settings during power outages.
- Pecha a tapa do compartimento da batería de forma segura.

Image: TFA 30.3236.02 Outdoor Transmitter. This image shows the back of the white outdoor temperature sensor, indicating where batteries are inserted.
4.2. Conexión de alimentación
Connect the provided power adapter to the DC input port on the back of the alarm clock and then plug it into a standard electrical outlet. The display will illuminate.
4.3. Sincronización inicial
Upon initial power-up, the alarm clock will automatically attempt to receive the DCF77 radio signal for time synchronization. This process may take several minutes. Ensure the clock is placed in an area with good reception, away from electronic interference. The outdoor transmitter will also attempt to connect with the main unit to display the outdoor temperature.

Image: TFA Dostmann 60.2548.01 Digital Radio Alarm Clock. This image displays the front of the alarm clock, showing the time, alarm time, indoor temperature, and outdoor temperature.
5. Instrucións de funcionamento
5.1. Brillo da pantalla
The display brightness can be adjusted between 2 levels. Refer to the specific button on your device (usually labeled "LIGHT" or a sun icon) to cycle through the brightness settings.
5.2. Color Change Function
The alarm clock offers two display color modes:
- Automatic Color Change: The display will cycle through 70 different colors in smooth transitions.
- Fixed Color: You can select a single color to be displayed continuously.
Consult the manual's specific section on "Color Settings" for button controls to switch between modes and select colors.
5.3. Configuración de hora e data
The clock automatically sets the time via the DCF77 radio signal. If manual adjustment is needed or for initial setup before signal reception:
- Press and hold the "SET" or "MODE" button to enter time setting mode.
- Use the "+" or "-" buttons to adjust hours, minutes, year, month, and day.
- Press "SET" or "MODE" again to confirm each setting and move to the next.
- You can also set the time zone (+2/-1) if your location differs from the DCF77 signal's default.
- The day of the week can be displayed in 7 languages. Refer to the manual for language selection.
5.4. Función de alarma
Para configurar a alarma:
- Press the "ALARM" button to view a hora de alarma actual.
- Manteña premido "ALARMA" para entrar no modo de configuración da alarma.
- Use the "+" or "-" buttons to adjust the desired alarm hour and minute.
- Press "ALARM" again to confirm.
- To activate/deactivate the alarm, press the "ALARM" button briefly outside of setting mode. An alarm icon will appear/disappear on the display.
Función de Snooze: When the alarm sounds, press the "SNOOZE" button (often a large button on top) to temporarily silence the alarm. The alarm will sound again after a few minutes (typically 5-10 minutes). To stop the alarm completely, press any other button.
5.5. Visualización da temperatura
The alarm clock displays both indoor and outdoor temperatures.
- Temperatura interior: Measured by a sensor within the main unit.
- Temperatura exterior: Received wirelessly from the TFA 30.3236.02 outdoor transmitter. Ensure the transmitter is placed outdoors in a sheltered location, away from direct sunlight and rain, and within range (max. 60m) of the main unit.
If the outdoor temperature is not displayed, check the transmitter's batteries and its proximity to the main unit. You may need to manually initiate a search for the outdoor sensor (refer to the manual's "Sensor Search" section).
5.6. Función de carga USB
A USB charging port (1A) is located on the side or back of the alarm clock. You can use this port to charge mobile devices such as smartphones. Connect your device's USB charging cable to this port. Note that charging speed may vary depending on the device.
6. Mantemento
- Limpa o dispositivo cun pano suave e seco. Non empregues produtos de limpeza abrasivos nin disolventes.
- Avoid exposing the main unit to extreme temperatures, direct sunlight, or high humidity.
- Ensure the outdoor transmitter is protected from direct weather elements.
- Replace batteries in both the main unit (backup) and the outdoor transmitter when the low battery indicator appears or when performance degrades.
7 Solución de problemas
| Problema | Posible causa/solución |
|---|---|
| Sen pantalla ou pantalla escura. |
|
| A hora é incorrecta ou non se axusta automaticamente. |
|
| A temperatura exterior non se mostra ou é incorrecta. |
|
| Non soa a alarma. |
|
| A carga por USB non funciona. |
|
8. Especificacións
| Modelo | TFA Dostmann 60.2548.01 |
| Tipo de visualización | Dixital, Cor |
| Fonte de enerxía | Power Adapter (main), 2x 1.5V AA Batteries (backup), 2x 1.5V AAA Batteries (transmitter) |
| Rango de temperatura exterior | -20 °C a +60 °C (-4 °F a +140 °F) |
| Rango de temperatura interior | -10 °C a +50 °C (14 °F a +122 °F) |
| Rango de transmisión sen fíos | Max. 60 meters (open area) |
| Frecuencia de transmisión | 433 MHz |
| Saída de carga USB | 1A |
| Dimensións (unidade principal) | 215 x 75 x 30 mm (aprox. 8.5 x 3 x 1.2 polgadas) |
| Peso (unidade principal) | 511 g (aprox. 1.1 libras) |
9. Garantía e soporte
For warranty information, please refer to the documentation provided at the time of purchase or contact your retailer. For technical support or further assistance, please visit the official TFA Dostmann websitio web ou póñase en contacto co seu departamento de atención ao cliente. Garde o recibo da compra como proba de compra.





