Nevadent 391068 2201, Operating Instructions Manual, Page: 15 / 200

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NSZB 3.7 C4
Transport lock
The toothbrush is equipped with a transport lock to secure it from switching on uninten-
tionally.
♦ Press and hold the On/Off button
3
until the charging indicator lamp
5
flash-
es green 5 times. The transport lock is now activated and the charging indicator
lamp
5
flashes green 5 times if you attempt to switch on the toothbrush.
♦ Press and hold the On/Off button
3
until the charging indicator lamp
5
lights up
green. The transport lock is now deactivated and the toothbrush switches on with the
last-used programme.
Travel case
The travel case
t
has enough room for the handset and two brush heads.
♦ Press the lower part of the snap closure
r
to open the travel case
t
.
♦ To close the travel case
t
, push the cover down until it clicks into place.
Cleaning and maintenance
DANGER – ELECTRIC SHOCK!
► Always remove the plug of the charger
9
from the power socket before cleaning
the appliance! There is a risk of electric shock!
► Never immerse the handset or the charger
9
in water or other liquids!
CAUTION – PROPERTY DAMAGE!
► Do not use any aggressive cleaning agents or solvents. They can damage the
plastic surfaces.
♦ If necessary, push the charger
9
downwards out of the stand
8
.
♦ Clean the stand
8
under running water.
♦ Clean the charger
9
with a soft, slightly damp cloth.
♦ Remove the brush head
1
from the handset. After use, clean the brush heads
1
thoroughly under running water.
We recommend cleaning the brush heads
1
in a standard commercial denture
cleaning fluid every 2–4 weeks.
The brush heads
1
are equipped with indicator bristles (the outer, light-blue bristles).
These bristles lose their colour and thus show that the brush head
1
needs to be
changed. Change the brush head
1
when the indicator bristles lose their colour.