Waterpik WP-900 Manual page 10

10
Prime Unit (First Time Use Only)
Prime unit prior to very first use of the unit: Set
pressure control dial on base to high (pressure
setting No. 10), point the handle and tip into sink.
Turn unit ON until water flows from the tip. Turn
unit OFF.
High
Adjusting the Pressure Setting
Turn the pressure control dial on the base of the
unit to the lowest setting (pressure setting No. 1)
for first-time use. Gradually increase pressure over
time to the setting you prefer – or as instructed by
your dental professional.
Low
WP900E1_20016224-FAA_IM_vF2.indd 10
Recommended Technique
Direct the stream at a 90-degree angle to your
gumline. Slightly close lips to avoid splashing
but allow water to flow freely from mouth into the
sink. For best results, start in the molar area (back
teeth) working toward the front teeth. Glide tip
along gumline and pause briefly between teeth.
Continue process until you have cleaned the inside
and outside of both the upper and lower teeth.
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