Philips sonicare HX91, Manual

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- Once a brushing mode has been selected, it
remains active until another brushing mode is
selected.
Note: When the Sonicare is used in clinical studies,
it must be used in the default 2-minute Clean
mode at high intensity or in the Deep Clean mode
at high intensity.
Clean mode
Standard mode for superior teeth cleaning.
White mode
2 minutes of Clean mode, with an additional 40
seconds of White mode to focus on your visible
front teeth.
Deep Clean
Provides an invigorating 3 minutes of alternating
cleaning and massaging to deliver an
exceptionally clean experience.
Intensity levels per mode
- Low: 1 LED indicator light.
- Medium: 2 LED indicator lights.
- High: 3 LED indicator lights.
Note: to adjust the intensity level to the next higher
or lower level, you can press the + button to
increase intensity or the - button to decrease
intensity at any time during the brushing cycle.
Pressure Sensor
A change in vibration (and a slight change in
sound) alerts you when you apply too much
pressure while brushing. See chapter ‘Features’.
Battery status (when handle is not on charger)
- 1 yellow LED indicates a low charge.
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