Philips Sonicare ExpertResults HX751 Series Instructions Manual page 19

Brush head replacement
reminder
Pressure sensor
3 Let go of the power button when you hear:
Feature
EasyStart
Brush head replacement
reminder
Pressure sensor
If you see the brush head replacement reminder and the battery
indicator lights flashing green and hear low to high triple tones,
then the feature had been activated.
OR
If you see the brush head replacement reminder and the battery
indicator lights flashing amber and hear high to low triple
tones, then the feature had been deactivated.
Up to 5 seconds
Up to 7 seconds
You will hear
1 beep
1 beep then 2 beeps
1 beep, 2 beeps then 3
beeps
19
English