Philips HF3451 manual QuestionAnswer

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14English

QuestionAnswer

Why can I not switch on the lamp again immediately after I switched it off?

Why do I hear no sound when the alarm goes off?

Why does the radio (HF3462, HF3461 only) not work?

Why does the radio (HF3462, HF3461 only) produce a crackling sound?

The alarm went off yesterday. Why did it not go off today?

Why does the light wake me too early/too late?

Perhaps you switched off the alarm function by pressing the ALARM button.

Perhaps the lamp is defective. Replace the lamp (see chapter ‘Replacement’).

You have to wait 3 seconds for the lamp to dim. During this time, the 3 button does not work.

Perhaps you set the sound level too low.Turn the volume control to a higher sound level.

Perhaps you switched off the alarm function by pressing the ALARM button.

If you selected the radio as alarm sound (HF3462/HF3461 only), the radio may be defective. Press the radio button after you switch off the alarm to check if the radio works. If it does not work, contact the Philips Customer Care Centre in your country.

The radio function is probably defective. Contact the Philips Customer Care Centre in your country.

Connect the external antenna if you have not yet connected it. See section ‘Radio’ in chapter ‘Using the appliance’.

Perhaps the broadcast signal is weak. Search for the correct signal (see chapter ‘Using the appliance’).

Perhaps you switched off the alarm function by pressing the ALARM button. Set the alarm for the next day and switch off the wake-up alarm sound and light the next day by pressing the 3 button (see chapter ‘Using the appliance’).

Perhaps you set the sound and/or light level to a too low setting. Set a higher sound and/or light level.

Perhaps there has been a power failure that outlasted the capacity of the backup system. After a long power failure, the display shows an incorrect clock time and the alarm time is 00.00. Set the correct clock time (see chapter ‘Preparing for use’) and the correct alarm time (see chapter ‘Using the appliance’).

Perhaps the light level you have set is not appropriate for you.Try a lower light level if you wake up too early or a higher light level if you wake up too late. For most people, the light is effective at settings 9-20 (HF3451) or 7-15 (HF3462/HF3461).

Perhaps you woke up too late because the appliance is at a lower level than your head. Make sure the appliance is located at such a height that the light is not blocked by your bed, duvet or pillow.

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Contents Wake-up Light Page Page Page HF3462/10, HF3462/20, HF3461, HF3451 Effects of dawn simulation IntroductionLight and the biological clock General description FigEnglish  English Preparing for useSetting the alarm time Using the applianceSetting the alarm Setting the sound and the sound levelAdjusting the light intensity during the wake-up phase Quick alarm checkSwitching the alarm on or off Adjusting the brightness of the displayCleaning and maintenance Guarantee restrictions ReplacementGuarantee and service Replacing the lampModels HF3451/HF3461 HF3462 SpecificationsFrequently asked questions Question AnswerQuestionAnswer Why does Snooze button notEffekten ved simulation af daggry IntroduktionLys og det biologiske ur Generel beskrivelse figFare DanskVigtigt ForsigtigKlargøring GenereltElektromagnetiske felter EMF Indstilling af klokkeslætIndstilling af vækning Indstilling af alarmenSådan bruges apparatet Indstilling af lyd- og lydniveauSnooze-funktion Hurtig alarm kontrolTænd og sluk for alarmen Justering af lysintensiteten i opvågningsfasenRengøring og vedligeholdelse Udskiftning af pæren Reklamationsret og serviceUdskiftning MiljøhensynOfte stillede spørgsmål SpecifikationerModellerne HF3451/HF3461 HF3462 Spørgsmål SvarHvorfor kan pæren ikke Alarm knappenIngen lyd, når alarmen Niveau Går i gang? Tændes straks efter, atSnooze knappen Eller pudenHvorfor virker Ikke?Los efectos de la simulación del amanecer IntroducciónLa luz y el reloj biológico Descripción general figPeligro EspañolImportante AdvertenciaCampos electromagnéticos CEM Preparación para su uso Uso del aparatoAjuste del sonido y del nivel de sonido Comprobación rápida de la alarmaActivación y desactivación de la alarma Ajuste del nivel de intensidad de la luzBotón Alarma diferidaAjuste del brillo de la pantalla Lámpara para leerReinicio Radio sólo modelos HF3462 y HF3461Fallo en el suministro de energía Limpieza y mantenimientoGarantía y servicio Sustitución de la lámparaMedio ambiente Restricciones de la garantíaPreguntas más frecuentes Pregunta Respuesta¿Por qué no puedo PreguntaRespuesta Auringonnousun simulaation vaikutukset Valo ja biologinen kelloJohdanto Laitteen osat KuvaVaara SuomiTärkeää TärkeääKäyttöönotto YleistäSähkömagneettiset kentät EMF AsentaminenHerätysajan asettaminen KäyttöHerätyksen asettaminen Äänen ja äänenvoimakkuuden asettaminenLisäaika Nopea herätyksen tarkistusHerätyksen kytkentä ja sammutus Valotehon säätäminen herätysvaiheen aikanaSähkökatkokset LukulamppuRadio vain malleissa HF3462/HF3461 NollausTakuu ja huolto VaraosatYmpäristöasiaa Miksi laite ei toimi? Tavallisimmat kysymyksetKysymys Vastaus PistorasiaanMalleissa HF3462 Käyttö HF3461 rätisee? KäyttöMiksi radio vain Se ei toiminut tänään?Virkninger av daggrysimulering InnledningLys og den biologiske klokken Generell beskrivelse figViktig NorskViktig Før bruk InstallasjonElektromagnetiske felt EMF Stille inn klokketidBruke apparatet Stille inn alarmenStille inn alarmtid Stille inn lyd og lydnivåSlumring Rask alarmkontrollSlå alarmen på eller av Justere lysintensiteten i løpet av vekkefasenStrømbrudd KnappLeselampe TilbakestilleMiljø Garanti og serviceUtskifting Vanlige spørsmål Spørsmål SvarKontakter du nærmeste kundetjeneste for Philips Lyd når alarmen går? LydnivåHvorfor hører jeg ingen Radioen kun HF3462 For Philips HF3461?Os efeitos da simulação da aurora IntroduçãoLuz e o relógio biológico Descrição geral figAviso PortuguêsPerigo AtençãoGeral Campos Electromagnéticos EMF Electro Magnetic FieldsPreparação Utilização do aparelhoDefinir o nível de intensidade da luz Verificação rápida do alarmeLigar ou desligar o alarme Regular a luminosidade do visor SnoozerRegular a intensidade de luz durante a fase de despertar BotãoLimpeza e manutenção SubstituiçãoRestrições à garantia AmbienteGarantia e assistência EspecificaçõesPerguntas mais frequentes Pergunta RespostaPor que razão o rádio Capítulo ‘Utilização do aparelho’Allmän beskrivning Bild Ljus och den biologiska klockanEffekterna av gryningssimulering Fara SvenskaViktigt VarningFörberedelser inför användning AllmäntElektromagnetiska fält EMF Ställa in klocktidenAnvända apparaten Ställa in alarmetStälla in alarmtiden Ställa in ljudet och ljudnivånSnooze Snabb alarmkontrollSlå på och stänga av alarmet Justera ljusintensiteten under väckningsfasenStrömavbrott LäslampaRadio endast HF3462/HF3461 ÅterställaMiljön Garanti och serviceByten Vanliga frågor Fråga SvarVarför fungerar inte radion endast HF3462, HF3461? Alarmet gick igång igår. Varför gjorde det inte det idag?Varför kan jag inte Min cm 15cm Page 4222.002.6782.2

HF3451 specifications

The Philips HF3451 is an innovative wake-up light designed to enhance the waking experience by simulating a natural sunrise. This product stands out in the market for its ability to mimic the gradual increase in daylight, helping users to wake up more gently and naturally.

One of the key features of the HF3451 is its ability to gradually increase the light intensity over a period of 20 to 40 minutes before the alarm time is set. This progressive light increase simulates the experience of a natural sunrise, easing people out of sleep and reducing the jarring effects of a traditional alarm clock.

In addition to its natural wakes-up feature, the HF3451 also offers a variety of sound options. Users can choose from different nature sounds, such as birds chirping or gentle streams, to accompany the light, providing a more serene waking environment. Furthermore, there's an FM radio feature that allows users to wake up to their favorite radio station, adding an extra layer of personalization to the waking experience.

The design of the Philips HF3451 is sleek and modern, fitting seamlessly into various bedroom aesthetics. It features a large, easy-to-read display that provides clear visibility even in low light. The adjustable brightness of the display ensures it does not disturb your sleep while maintaining a functional aspect.

Durability and energy efficiency are also important characteristics of the HF3451. The light utilizes LED technology, which is known for its long lifespan and lower energy consumption. This makes it not only environmentally friendly but also cost-effective over time.

Moreover, the HF3451 includes a snooze function that allows users to enjoy a few extra minutes of rest before the light and sound resume. Its intuitive design makes it user-friendly, with touch-sensitive buttons positioned for easy access.

Overall, the Philips HF3451 combines advanced technology with user-centric features to create a unique and beneficial waking experience. By seamlessly integrating light therapy and sound to enhance the waking process, it caters to those looking to improve their morning routine and overall well-being.
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