English

Note: After you have set the time for the first time, you have to press the ‘set time’ button before you can adjust the time again.The time on the display starts flashing and arrows appear above and below the time to indicate that the clock time can be set.

3When you have set the correct time, press the ‘set time’ button to confirm the time (Fig. 6).

,The time on the display stops flashing and the arrows disappear.

Note: If you do not confirm the time, the flashing stops and the arrows disappear after 10 seconds.This indicates that the time has been set.

The appliance is now ready for use.

Using the appliance

Setting the alarm

When you set the alarm, you choose the light intensity level, the type of sound and the sound level. The alarm is set when the light ring round the ALARM button burns.The light intensity slowly increases to the chosen level during the last 30 minutes before the set alarm time.The sound slowly increases in 90 seconds to the chosen level after the set alarm time.

Setting the alarm time

1Press the alarm time button ( *) to set the alarm. (Fig. 7)

,The alarm time starts flashing and two arrows appear above and below the alarm time (Fig. 8).

2Use the % and the ^ buttons to set the alarm time, i.e. the time at which you wish to get up. (Fig. 9)

3Press the button longer to put the time forward or backward more quickly.

4Press the alarm time button ( *) again to confirm the alarm time. (Fig. 7)

,The arrows disappear and the alarm time stops flashing.

Note: If you do not confirm the alarm time, the flashing stops after 10 seconds.This means that the alarm time has been set.

Setting the sound and the sound level

1Press the ALARM button (Fig. 10).

,The light ring round the ALARM button goes on (Fig. 11).

,The first sound symbol (radio symbol for HF3462/HF3461 and gentle beep symbol for HF3451) flashes for 3 seconds and the sound can be heard.

2Press the ALARM button again if you want to select another wake-up sound.When you have found the sound you want to use, do not press the ALARM button again (Fig. 10).

,After 3 seconds, the symbol of the sound selected stops flashing to indicate that it has been selected.

,The alarm has been set and continues to work until you switch off the alarm function.When you do this, the sound symbol disappears from the display and the light ring round the ALARM button goes out. See also section ‘Switching the alarm on or off’.

3Turn the volume control wheel $ to set the sound level. (Fig. 12)

,The $ appears on the display. (Fig. 13)

4If you want no sound at wake-up time, select level 0.

Setting the light intensity level

1Use the light adjustment wheel @ to set the light intensity level. (Fig. 14)

,The @ appears on the display.

Page 8 Page 10
Page 9
Image 9
Philips HF3451 manual Using the appliance, Setting the alarm time, Setting the sound and the sound level
Page 8 Page 10

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.
Top Page Image Contents