Philips HF3520 - Demonstration Mode; Audio Feedback; Button Backlight

Demonstration mode
If you want a quick demonstration (90 seconds) of the gradually increasing light intensity and sound
level, switch on the test function of the appliance.
1 Press and hold the alarm 1 or alarm 2 button for at least 3 seconds.
2 The appliance starts the demonstration of the corresponding alarm.
3 To switch o the demonstration, press and hold the previously pressed alarm button
for 3 seconds again.
1
> 3 sec.
3
> 3 sec.
2
90 sec.
Audio feedback
When you press a menu button, you hear a click. If you do not want to hear clicks when you press a
button, press and hold the FM button for 5 seconds to switch o the audio feedback. You hear one click
as a conrmation. To activate, press and hold the FM button again. You hear two clicks
to conrm that the audio feedback is activated.
Button backlight
The menu buttons have a backlight to help you to nd the buttons.
If you move your ngers close to the buttons, the backlight lights up.
If you don’t press the button, the backlight goes out after a few seconds.
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