13
en
Operation AOS U650
CURRENT
TIME
DESIRED
ACDEFMLHGIKBJ NA) On/Off Dial and Display Dimmer
BypressingbuttonAonce,youcanswitchtheuniton.By
pressingittwice,thedimmerisswitched onwhichauto
maticallydims thedisplay brightnessand symbol N
comeson.Whenchanginganysettingsthedisplaywillillu
minateforafewsecondsbeforereturningtodimmermode.
BypressingbuttonAathirdtime,the unitisswitchedoff.
Thisbuttonisalsousedtoresetthecleaningindicatorlight
(byholdingdown).
B) Hygrostat (setting the humidity level)
BypressingbuttonByoucansetthedesiredhumiditylevel
from30%to80%orCO(continuousoperation).Arelative
humiditybetween40and 60%isrecommended.Theac
curacyofmeasurementis+/5%.Theunitwillswitchoff
whenthemoisturelevelexceedsthedesiredsetting.During
selectionthetargetvalueisdisplayed(symbol DESIRED) .
Thedisplaywillautomaticallyshowthecurrentvalueafter
afewseconds(symbol CURRENT).
C) Timer
Usingbutton C, the operation time can be set adjusta
blebetween1and 8hoursor CO(continuousoperation).
Symbol Gshowsthe operatingperiodthathasbeenset
(1h/2h/3h/4h/5h/6h/7h/8h/CO).Thedisplaywillautomati
callyshowthecurrenthumidityafterafewseconds.
D) Mist output (regulating mist output)
ByrepeatedlypressingbuttonDyoucancontrolthemist
output.Symbol H showswhich ofthe threelevels (low/
medium/high)youhaveselected.
E) Operation with pre-heating (warm mist)
ButtonEisusedforswitchingthepreheatingonandoff
(symbol Ilightsup).Asaresult,thewaterispreheated
toatempera tureof176 °F(80 °C) beforeentering the
nebulizerspace.Ittakesapprox.10to15minutesforthe
waterinthebase towarmup.The mistnowleavesthe
humidifieratapleasanttemperatureof104°F(40°C).The
advantageofthis isthat theroomtempera turedoesnot
dropand,inaddition,it significantlyimprovesthewater
qualitymaintenance.
F) Automatic mode and Sleep mode
Theautomaticandsleepmodescanbeactivatedbypres
singbuttonF.Bypressingthebuttononce,theautomatic
functionisswitchedon(symbol Jappearsonthedisplay),
maintainingtheoptimum humiditysubjectto thetempe
rature.Control takes place by means of output quantity
andpresettargetvalue.Bypressingthebuttontwice,the
sleepfunctionis switchedon (symbol Kappearson the
display),thetargethumidityis50–65%;theoperationtime
issetat6hours;theheatingisswitchedonandthedisplay
brightnessisautomaticallydimmed.Inaddition,theoutput
quantityisalsocontrolledsubjecttothedifferencebetween
thetargetvalueandtheactualvalue.
Thehygrostatandmistoutputsettingscannotbechanged
ineithermode.IfthebuttonsBorDarepressed,theunit
willnolongerbeinautoorsleepmode.
G) Timer Indicator
H) Mist Output Indicator
I) Pre-heating Indicator
J) Automatic Mode Indicator
K) Sleep Mode Indicator
L) Empty indicator
Thewaterleveliseasyto see,thankstothetransparent
watertank.Theappliancealsoalertsyouwhenthewater
tankisempty.Theemptyindicatorisilluminated(symbolL).
Pleasereadthechapter«Fillingthetank»formoreinforma
tion.ThesymbolLmaystayilluminatedforsomeseconds
witharefilledtankuntilthebaseisfilledwithwater.
M) Cleaning indicator
IfsymbolM«CLEAN»appearsonthedisplay,theappliance
shouldbecleanedasrecommendedby themanufacturer.
Thissymbolcomes onautomatically every2weeks, de
pendingonthelevelofuse.The display can be reset by
holding down button A until the light disappears.
N) Dimmer Indicator
DisplayDimmerOff
DisplayDimmerOn
ForinstructionsseebuttonA