Oregon Scientific WS904 - Manual (Page 14)

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of the water tank and add a drop of neutral detergent.
Activate the product by setting the mist timer to 30 min.
Then, rinse the inside of the water tank with fresh tap
water several times.
Do not use chemicals such as benzene, thinner or alcohol
for cleaning.
Use neutral detergents only. Do not use other detergents
such as chlorine, acid or enzyme-based detergents.
When not to use for a long period, clean the product as
described above before storage.
After a long period of storage, clean the product as
described above before use.
Wipe off dust from the power cord regularly. ‡
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minutes then pour out the tap water. Wipe the water
tank dry thoroughly with a dry cloth.
Wipe the inner and outer surface of the tank cover with a
soft cloth. Use soft cotton swabs to clean the mist outlet.
6.