Philips sonicare ExpertClean HX961 7/03 Manual page 42

ENGLISH
Brush Head Replacement Reminder
Over time, the handle will track the wear of your smart brush head
by measuring:
-
The overall pressure you apply while brushing
-
The total time you've brushed with your brush head
Once your brush head is no longer effective, the Brush Head
Replacement Reminder will blink amber and audibly beep.
Note: The Brush Head Replacement Reminder comes activated
with your product. To deactivate this feature, see 'Activating or
deactivating features'.
Pressure sensor
Your Philips Sonicare measures the pressure you apply while
brushing to protect your gums and teeth from damage.
If you apply too much pressure, the handle will change its
vibration until you reduce the pressure.
Note: The Pressure Sensor comes activated with your product. To
deactivate this feature, see 'Activating or deactivating features'.
Brush Pacer
The BrushPacer features indicates when you are supposed to
move onto the next section of your teeth via a brief change in
vibration.
The toothbrush will automatically turn off at the end of the
brushing session.
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