Philips HX9172/10 - Manual (Page 12)

Note: When the Sonicare is used in clinical studies,
the default 2-minute Clean mode must be selected.
The handle has to be fully charged and the Easy-start
feature must be deactivated.
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.
- 3 green LEDs indicate a full charge.
Note: If you hear a long beep and the yellow LED of
the battery level indicator flashes, the rechargeable
battery is empty and the Sonicare switches off.
Place the handle on the charger to recharge it.
Note: To keep the battery fully charged at all times,
you can keep the Sonicare on the charger when you
are not using it.
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