( button (to set clock time)
* button (to set alarm time)
Natural pond sound symbol (HF3462, HF3461 only)
Natural sea sound symbol (HF3462, HF3461 only)
Natural forest sound symbol
Gentle beep symbol
Radio symbol (HF3462, HF3461 only)
10 ^ button
11 Radio frequency indication (HF3462, HF3461 only)
12 Light level indication (visible when light level is adjusted)
13 Alarm time indication
14 Sound level indication (visible when sound level is adjusted)
Note: The HF3462/30, HF3462/20, and the HF3462/10 are technical the same, they only differ in
colour. Because of this the three versions will simply be called HF3462 in the rest of this user manual.
Read this user manual carefully before you use the appliance and save it for future
reference (Fig. ).
This appliance is double-insulated according to Class II (Fig. ).
This appliance meets the requirements of the European Medical Device Directive MDD
Check if the voltage indicated on the appliance corresponds to the local mains voltage before
you connect the appliance.
The appliance is suitable for mains voltages of 0V.
If the mains cord is damaged, you must have it replaced by Philips, a service centre authorised
by Philips or similarly qualified persons in order to avoid a hazard.
Do not subject the appliance to heavy shocks.
Water and electricity are a dangerous combination. Do not use this appliance in wet
surroundings (e.g. in a bathroom or near a shower or swimming pool).
Do not let water run into the appliance or spill water onto the appliance.
This appliance is not intended for use by persons (including children) with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the appliance by a person responsible for
Children should be supervised to ensure that they do not play with the appliance.
Place the appliance on a stable, level surface and make sure there is at least 15cm free space
around it and 0cm above it to prevent overheating (Fig. ).
Do not use the appliance at room temperatures lower than 10ºC or higher than 5ºC.
Make sure the vents in the base and on top of the appliance remain open during use.
Regularly remove dust from the inside of the appliance with a dry cloth, as accumulated dust
close to a powerful lamp presents a potential fire hazard. See chapter 'Cleaning and
maintenance' for more details.
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. 0 minutes. Then switch the appliance back on by plugging it in again.
Let the appliance cool down for approx. 15 minutes before you clean or store it.
Never use the appliance when the lamp housing is damaged, broken or missing.
We advise you to set the light intensity for waking up to a setting between 9 and 0 (for the
HF51 with 75W lamp) or between 7 and 15 (for the HF6, HF61 with 100W lamp).