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Do not use this appliance as a means to reduce your hours of sleep. The purpose of this
appliance is to help you wake up more easily. It does not diminish your need for sleep.
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Always replace the lamp with a Philips 75W E27 SOFTONE softwhite 230V T55 (HF3451) or a
Philips 100W E27 SOFTONE softwhite 230V T55 lamp (HF3462/HF3461).
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The appliance has no on/off switch. To disconnect the appliance from the mains, remove the
plug from the wall socket.
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This appliance is only intended for household use, including similar use like in hotels.
general
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The appliance has been fitted with an automatic protection against overheating. If the appliance
is insufficiently cooled (e.g. because the vents are covered), the appliance switches off
automatically. Remove the cause of overheating, unplug the appliance and let it cool down for
approx. 20 minutes. Then switch the appliance back on by plugging it in again.
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We advise you to set the light intensity for waking up to a setting between 9 and 20 (for the
HF3451 with 75W lamp) or between 7 and 15 (for the HF3462/HF3461 with 100W lamp).
These settings correspond to light intensity levels of 100 to 300 lux. The correct setting depends
on your light sensitivity and will have to be determined by yourself. It is possible to select a
higher or lower setting. See chapter 'Using the appliance' for more details. If light level 20 of the
HF3451 is not high enough, we advise you to move the appliance closer to the bed.
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If you share a bedroom with someone else, this person may unintentionally wake up from the
light of the appliance, even though this person is further removed from the appliance. This
phenomenon is the result of differences in light sensitivity between people.
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If you start having trouble waking up again, this is possibly due to a decrease in the lamp's light
output that occurs after some time. In that case, you can increase the light level or replace the
lamp.
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If the appliance is used in an industrial area and/or near a power station, it may occur that, under
certain circumstances, the lamp goes off after it has come on. This does not have an adverse or
harmful effect on the safe functioning of the appliance the next time it is used.
Electromagnetic fields (EMF)
This Philips appliance complies with all standards regarding electromagnetic fields (EMF). If handled
properly and according to the instructions in this user manual, the appliance is safe to use based on
scientific evidence available today.
Preparing for use
installation
1
Before first use, open the hatch in the back of the appliance (see chapter 'Replacement') and
screw the lamp into the lamp holder.
2
Place the appliance at 40-50cm from your head, for example on a bedside table (Fig. 4).
Put the plug in the wall socket.
The time on the display starts flashing and arrows appear above and below the time to
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indicate that the clock time has to be set (Fig. 5).
Note: If the display does not light up after you have plugged in the appliance, press the reset button on
the bottom of the appliance.
setting the clock time
1
Use the ^ and the % buttons to set the time.
2
Hold the button down longer to put the time forward or backward more quickly.
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