Pressure Sensor; Battery Status And Charging - Philips Sonicare ProtectiveClean 4500 Manual

4 Release the power on/off button.
- Triple tone of low-med-high means the Brush head
replacement reminder feature has been activated. The brush
head replacement light and battery light will also blink green 3
times in unison to confirm activation.
- Triple tone of high-med-low means the Brush head
replacement reminder feature has been deactivated. The brush
head replacement light and battery light will also blink amber 3
times in unison to confirm deactivation.

Pressure sensor

1 Put the handle on the plugged-in charger.
2 Press and hold the power on/off button while the handle remains
on the charger.
3 Keep the power on/off button pressed until you hear a series of
three short beeps (after 6-7 seconds).
4 Release the power on/off button.
- Triple tone of low-med-high means the pressure sensor feature
has been activated. The brush head replacement light and
battery light will also blink green 3 times in unison to confirm
activation.
- Triple tone of high-med-low means the pressure sensor feature
has been deactivated. The brush head replacement light and
battery light will also blink amber 3 times in unison to confirm
deactivation.
If you continue holding the power on/off button after the three short
beeps, the activate/deactivate sequence repeats.

Battery status and charging

1 Put the plug of the charger in an electrical outlet.
2 Place the handle on the charger.
- The charger will emit 2 short beeps to confirm that the handle is
placed properly.
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