Philips HF3419 User guide
HF3419
User manual
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ENGLISH 6
HF3419
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ENGLISH
Introduction
Congratulations on your purchase and welcome to Philips! To benet fully from the support that
Philips offers, register your product at www.philips.com/welcome.
Read this user manual carefully before using this Philips energy light.
Intended use
Philips EnergyUp is intended to make people feel more energetic, to adjust circadian rhythms and to
provide relief from the winter blues. Medical intended use of this appliance is to treat winter
depression or SAD (seasonal affective disorder). Treatment of SAD must always take place under
medical supervision.
Light - a natural energiser
Today’s busy modern lifestyles demand peak performance all day long. Even the ttest person suffers
energy dips, particularly when deprived of natural daylight, such as in an ofce in winter. Daylight is
essential to well-being, keeping t and feeling energised throughout the day – just like healthy
nutrition and regular exercise. Philips EnergyUp mimics the natural energising power of daylight on a
bright sunny day. It stimulates special receptors in the eye to trigger the body’s natural response to
sunlight. This helps you to ght energy dips, to feel more energetic, active and alert, and to improve
your mood.
Circadian rhythms and sleep patterns
The human body uses light cues, such as those provided by the sun, to time certain internal
functions. Properly timed rhythms regulate energy, mood, sleep, appetite and digestion. These daily
internal cycles, called circadian rhythms, sometimes fall out of sync with nature, which can have
impact on our well-being. Nature’s cues no longer govern our modern lifestyle. Our day no longer
starts at sunrise and ends at sunset, working days are getting longer, and many people work in shifts.
Moreover, our activities often extend well into the night. Many people tend to get too little sleep
during the week, which diminishes their energy levels during the day. Using Philips EnergyUp at the
right time of day can help you establish and reinforce regular sleep patterns.
Light via eyes
Research shows that bright light via the eyes inuences the regulation of our energy level, mood and
sleep/wake cycle. Indoor spaces generally do not provide enough light intensity. This appliance helps
you to be at your best by delivering high quality intense light whenever and wherever you need it.
Winter blues
Lack of light during the darker winter months causes many people to experience a noticeable drop
in energy level and low spirits as autumn sets in. These symptoms, known as ‘winter blues’, may cause
you to feel low, listless and fatigued for weeks or even months. This affects both personal
performance and mood. Bright light therapy is a successful method to ght these winter blues
symptoms. It provides your body with summer vitality throughout the dark winter months.
General description (Fig. 1)
1 Light panel
2 Socket for small plug
3 Time indicator bar
4 On/off button
5 Intensity increase and decrease buttons
6 Adapter HF24
7 Small plug
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