Philips HF3421 User Manual page 13

Note: Do not stare into the light of the appliance. It is sufficient
that the bright light reaches your eyes indirectly.
5 Press the standby button briefly to switch on the appliance (Fig. 6).
The appliance switches on at a low setting.
6 To increase the light intensity to a higher setting, press the standby
button again briefly (Fig. 7).
- HF3420 has 3 settings: 30%, 55%, 100% intensity respectively.
- HF3421 has 5 settings: 30%, 40.5%, 55%, 74%, 100% intensity
respectively.
Note: For the best results, use the highest intensity setting that is
comfortable to your eyes.
7 If you press the standby button briefly when the appliance is
working at the highest setting, the appliance switches off.
Note: When the appliance is working, you can also switch it off
immediately by pressing and holding the standby button for more
than 2 seconds (Fig. 8).
Cleaning and storage
Do not immerse the appliance in water or any other liquid
and do not rinse it under the tap.
Never use scouring pads, abrasive cleaning agents or
aggressive liquids such as petrol or acetone to clean the
appliance.
1 Clean the appliance with a dry or moist cloth. Do not use a wet
cloth (Fig. 9).
2 Store the appliance in a safe and dry place.
Frequently asked questions
This chapter lists the questions most frequently asked about the
appliance. If you cannot find the answer to your question, visit
www.philips.com/support for more frequently asked questions or
contact the Consumer Care Center in your country.
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English