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1When the hour indication on the display flashes, move the middle dial up or down to select the hour.

2Press the middle dial gently and release it to confirm.

,, The minute indication starts flashing (Fig. 9).

3Move the middle dial up or down to select the minutes.

4Press the middle dial gently and release it to confirm.

,, The appliance leaves the menu and the display shows the set clock time.

The appliance is now ready for use.

Note: Every time you remove the plug from the wall outlet for more than approximately 15 minutes, you have to set the clock time again by following steps 1 to 4 above.

Note:To change the set clock time when the plug is still in the wall outlet, press the middle dial gently two times to enter the menu for setting the clock time.You are in the menu when the hour indication flashes.Then follow steps 1 to 4 above.

Using the appliance

Use this appliance for its intended household use as described in this manual.

Top and bottom dials

-- With the top dial you can switch the lamp on or off and set the light intensity (see section

‘Using the lamp’ in this chapter).

-- With the bottom dial you can switch the radio on or off and set the volume (see section ‘Radio/ volume’ in this chapter).

Note: Press the dial gently and release it to switch on or off the light (top dial) or radio (bottom dial) and move the dial up or down to change the light intensity (top dial) or volume level (bottom dial).

Middle dial  

The middle dial allows you to choose various functions from the menu. These functions appear in

the menu in the following order:

-- Clock time -- Alarm time -- Alarm sound

-- Dusk simulation function  -- Display brightness function 

You can operate the middle dial in the following way:

1Press the middle dial gently and release it to enter the menu (Fig. 10). Do not press the dial too hard. If you do, the dial does not work.

2Move the middle dial up or down to select a function (Fig. 11).

3Press the middle dial gently and release it to enter this function.

4Move the middle dial up or down to select an option in this function.

5Press the middle dial gently and release it to confirm.

If you do not operate the dial for 5 seconds when you are in the menu, the appliance automatically leaves the menu and displays the clock time again.

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Philips HF3490/60 manual Using the appliance, Top and bottom dials, Middle dial

HF3490/60, HF3490 specifications

The Philips HF3490 and HF3490/60 are innovative light therapy devices designed to combat the effects of seasonal affective disorder (SAD), as well as to promote overall wellness through light exposure. These models employ advanced light therapy technology, making them effective tools for individuals seeking to improve their mood, energy levels, and sleep quality during darker months or in low-light environments.

One of the standout features of the HF3490 series is its powerful, bright light output. These devices emit 10,000 lux of cool white light at a safe distance of 20 inches, reflecting the optimal light intensity recommended for effective light therapy. This intensity mimics natural sunlight, helping to regulate circadian rhythms and support mood enhancement.

The design of the HF3490 models encompasses a modern, sleek aesthetic that integrates seamlessly into various home or office environments. The adjustable stand allows users to effortlessly position the lamp, ensuring light is directed toward the eyes while the user performs other activities, such as reading or working.

A notable technology integrated into the Philips HF3490 is the Energy Star certification, which signifies that the product meets stringent energy efficiency guidelines, thereby contributing to environmentally friendly practices. Furthermore, the device features a glare-free screen, designed to optimize the comfort of users during their therapy session. This aspect is crucial as it reduces eye strain, making light therapy a more pleasant experience.

The HF3490 also includes a timer function, allowing users to set their desired duration for therapy sessions, which can range from 20 to 60 minutes. This customizable feature ensures that individuals receive the right exposure without the worry of overuse.

Additionally, the HF3490/60 variant is enhanced with a built-in screen that displays the treatment time and remaining session duration, making it user-friendly. Its portability and lightweight design enable users to easily transport the device, ensuring access to light therapy whenever necessary.

Together, these features make the Philips HF3490 and HF3490/60 highly sought-after solutions for those looking to enhance their well-being through effective light therapy. With their combination of style, efficiency, and effectiveness, these devices offer a wholesome approach to combating SAD and promoting overall health during the winter months and beyond.