Youcanalsochecktheinstallationinstructions
ontheweb.
https://dfreeus.biz/support
User'sGuide
Improperhandlingmayresultinmalfunction.
Donotdroptheproductorsubjectittostrongimpact.
Thisequipmentisnotintendedforindependentusebypersons
(includingchildren)requiringassistance,unlesssupervisedor
directedbyapersonresponsiblefortheirsafety.
HandlingPrecautions
User'sGuideV3.0
Visitrestroomwhenprompted
→User'sGuideP20
Keeparecordeachtime
yougotothebathroom
→User'sGuideP20
01 02 03 04
05 06 07 08
HowtouseDFree Ver3.0
ChargeDFree
→User'sGuide
P11
HowtouseDFree(iPhoneversion)
RegisterviaDFreeapp
→User'sGuideP11
DownloadDFreeapp
(iOS13.0orhigher)
→User'sGuideP11
Placeadhesivesheet
(usingpubisboneasareference)*
→User'sGuideP14
*Adhesivesheetsoldseparately.
Youmayalsouseamedicaltape.
Pubisbone
Applygeltotheback
ofDFree
→User'sGuideP15
AttachDFree
totheadhesivesheet
→User'sGuideP15
Record
Almost
RegisterDFree
→User'sGuideP13
DownloadDFreeapp
(Android9.0orhigher)
→User'sGuideP11
01 02 03 04
HowtouseDFree(Androidversion)
Visitrestroomwhenprompted
→User'sGuideP29
Keeparecordeachtime
yougotothebathroom
→User'sGuideP29
05 06 07 08
Applygeltotheback
ofDFree
→User'sGuideP15
AttachDFree
totheadhesivesheet
→User'sGuideP15
Record
Almost
HowtouseDFree Ver3.0
Placeadhesivesheet
(usingpubisboneasareference)*
→User'sGuideP14
*Adhesivesheetsoldseparately.
Youmayalsouseamedicaltape.
Pubisbone
ChargeDFree
→User'sGuide
P11
Donotusetheproductforany
purposeotherthanitsoriginal
purpose.
Thisproductshouldbeinstalledand
storedoutofthereachofchildren.
Donotoperatebuttonsorplug/unplug
theACadapterwithwethands.
Donotchargeorusetheproductina
humidordustyenvironment.
Donotplacetheproductnearfireor
heatsourcessuchasstoves.
Iftheproductgeneratesheator
smoke,discolors,deforms,is
damaged,oremitsstrangesmellsor
noiseswhilecharging,using,orstoring,
pleasestopusingitimmediately.
Thiscancauseunexpectedaccidents.
Thismaycauseelectricshock.
Thismaycausefire,electricshock,or
malfunction.
Thismaycauseafire,electricshock,
ormalfunction.
Thismaycauseafireoraccident.
●Ifyounoticemalfunctionor
damage
Pleasecontactcustomersupport
immediately.
●Incasesomethinggoeswrong
Thereissmoke,astrangesmell,or
theproductisdamaged.
①Removeitifitisattached
②Unplugthecableifitischarging
③Contactcustomersupport
Neverdisassemble,repair,ormodify
theproduct.
Ifliquidleaksfromthebatteryand
getsintoyoureyes,washthemwith
waterwithoutrubbingandseek
medicalattentionimmediately.
Ifthebatteryfluidgetsonyourskin
orclothing,washitoffimmediately
withcleanwater.Maycauseskin
damage.
Failuretodosomayresultinfire,
electricshock,orinjury.
Thereisariskofblindness.
Itmaycauseinjury.
Danger
No
Disassem-
bly
Warning
Wet
handsare
prohibited
SafetyPrecautionsSafetyPrecautions
Thefollowingprecautionsareintendedto
ensuresafeandproperuseofthe
productandtopreventharmordamage
toyouorothers.Thepossible
consequencesofimproperhandlingare
classifiedintothreecategories:"Danger",
"Warning",and"Caution".Alloftheabove
areserioussafety-relatedmattersand
mustbeobserved.
Examplesoficondisplay
Prohibited
Instructions
Danger
Thereisanimminent
dangerofdeathor
seriousinjury.
Warning
Mayresultindeath
orseriousinjury.
Caution
Maycauseinjuryto
personsordamage
topropertyifitis
handledimproperly.
RecyclingRecycling
Fordisposalofthisproduct,please
contactourcustomersupportand
followtheinstructions.
DisclaimerDisclaimer
Donotusethisproductinconjunctionwith
life-supportingmedicalequipmentor
systems,oranyequipmentorsystemsthat
requireahighdegreeofreliability.This
productisnotdesignedtobeusedwith
thesedevicesorsystems.
DFreeUSAInc.(hereinreferredtoasthe
Company)shallnotbeliableforany
damagesresultingfromactionstakenbased
ontheinformationfromthisproductorfrom
theinabilitytousetheproduct.
TheCompanyshallnotbeliableforany
damagecausedbynotfollowingthe
contentsoftheUser'sGuide.
Thisproductisnotintendedtopreventfalls
directly,butonlyasasupplementary
measuretopreventfalls.TheCompanyshall
notbeliableforanydamagecausedby
personalinjuryoraccident.
Thisproductisusedformonitoring
purposesonlyandisnotintendedtosave
lives.TheCompanywillnotbeheld
responsibleforanydamagecausedby
personalinjuryordisasterthatmayoccur.
TheCompanyshallnotbeliableforany
damagecausedbynaturaldisasters,fires,
actsbythirdparties,otheraccidents,
intentionalornegligentactsbythecustomer,
misuse,oruseunderotherthannormal
conditions.
●
●
●
●
●
●
Ifyouexperienceanysymptomssuch
asitchingorrash,stopusingthis
productimmediatelyandconsultyour
doctororpharmacist.
Donotusetheproductinaprone
positionforlongperiodsoftime.
Topreventissuesdueto
over-discharge,rechargethebattery
everythreemonthsevenifitwillnotbe
usedforalongtime.Storetheproduct
inacoolplace(about25Cor77F).
Itmaydamagetheskin.
Itmaydamagetheskin.
Thebuilt-inbatterywillgradually
dischargeaftercharging,evenwhenthe
productisnotinuse.Itisrecommended
torechargetheinternalbatterybefore
use,asitmaybedischarged.
Donotusethisproductinconjunction
withlife-supportingmedicalequipment
orsystems,oranyequipmentor
systemsthatrequireahighdegreeof
reliability.Donotuseindoorsina
medicalfacilitywithsuchequipments.Do
notuseindoorsinamedicalfacility.
Donotuseifyouarepregnant.
Donotusethisproductoutsideof
JapanortheUnitedStates.
Donotusepartsotherthanthose
instructedintheinstructionmanualandthe
accessoriesandseparateitemssoldbyus.
Donotuseorganicsolventssuchas
thinnerorabrasivecleaners.
Donotchargethebatteryinan
environmentabove40C(104F)(in
directsunlight).
Caution
Failuretodosomayresultinmalfunctionor
injury.
DFreeisnotamedicaldevice
andisnotintendedtobeusedin
thediagnosis,prevention,or
treatmentofdiseasesormedical
conditions.
SpecificationsSpecifications
*Dependingontheremainingcharge,temperature
environment,andmeasurementmodeused.
DU2-BL-A1
5V,1A
26g(0.9oz)
W51xD36xH17(mm)
W2xD1.4xH0.7(inches)
Washablewithwater(whenthe
chargingterminalcoverisclosed)
Lithium-ionbatteryCapacity:
260mAhVoltage:3.7V
About4hours
5~40°C(41~104°F)
20~80%(nocondensation)
Approx.40hours*
Weight
Size
ModelNumber
Powersupply
Waterproof
Batteryused
Chargetime
Continuousrunningtime
Operatingtemperaturerange
Operatinghumidityrange
AboutWirelessAboutWireless
TheBluetooth®functionofthisproduct
complieswithJapanesedomesticstandards
andFCCstandards,andhasbeencertified.
Inadditiontoindustrial,scientific,andmedical
equipment,microwaveovens,
second-generationlow-powerdata
communicationsystems,premisesradio
stationsformobileidentification(radiostations
requiringalicense),speciallow-powerradio
stations(radiostationsnotrequiringalicense),
andamateurradiostations(radiostations
requiringalicense)areoperatedinthe
frequencybandusedbythisequipment.
Operatingfrequencyrange:2.402-2.480GHz
Modulationmethod:FH-SS
Interferencedistance:Approx.10m
Beforeusingthisproduct,makesurethat
thereareno"otherradiostations"operating
nearby.
Intheunlikelyeventofradiointerference
betweenthisproductand"otherradio
stations",immediatelychangetheplaceofuse
ofthisproductorstoptheoperationofthe
equipment(stopemittingradiowaves).
Ifyouhaveanyquestionsorneedfurther
assistance,pleasecontactourcustomer
service.
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■Precautionsforuse
■Aboutfrequency
AboutwaterproofperformanceAboutwaterproofperformance
Althoughthisproductiswaterproof,water
leakage,perspiration,andotherfactorsmay
causemalfunctionsdependingonhowthe
productishandled,sopleasereadthefollowing
instructionsandusetheproductproperly.
Whencharging,makesuretheproductand
yourhandsarenotwet.
Ifwatergetsintothechargingconnector,it
maycauseamalfunction.Makesurethatno
hair,dust,orotherforeignobjectsarecaught
inthechargingterminalcover,andcloseit
securely.
Whencleaning,closethechargingterminal
covertightlyandrinsegentlywithrunning
water.
Donotwashthisproductwithsoapywater.
Thewarrantydoesnotapplytomalfunctions
causedbyfloodingduetomisusebythe
customer.
Liquidsotherthanfreshwater,tapwater,and
perspiration(soapywater,seawater,water
containingbathsalts,etc.)arenotallowed.
Afterwashing,wipeoffanymoisturewitha
dryclothandstoretheproductinadryplace.
Donotuseahothairdryertodrythem,or
placetheminfrontofaheater.
Makesurethattherearenowaterdroplets
leftaroundthechargingconnector.Especially
incoldclimates,anyremainingwaterdroplets
mayfreezeandcauseamalfunction.
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201-180370
Made in Japan
2.4 FH 1
●
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IfyouthinkitismalfunctioningIfyouthinkitismalfunctioning
TheLEDdoesnotlightupwhile
charging
・Iftheusageenvironmentisoutside
theoperatingtemperaturerange,
pleaseuseitwithinthesuggested
operatingtemperaturerange.
・Removedirtfromthecharging
terminal.
Chargingdoesnotfinish
・IftheLEDislitredandthebattery
doesnotfullycharge(LEDneedsto
belitgreen),anerrormayhave
occurred.Ifanerroroccurs,youcan
resetDFreetoitsfactorysettingsby
pressingandholdingthepower
buttonfor10secondswiththeAC
adapterpluggedinandcharging.
(Recordeddataintheappwill
remain.)Iftheerrorstilloccursafter
resetting,pleasecontactcustomer
support.
TheLEDflashesred,orange,and
greeninsequence
・Theunithasdetectedanerror(see
page10).Stopusingtheunitand
contactcustomersupport.
ProductName:DFreeadhesivesheet
Size:135mmx82mmx15mmor
5.3inchesx3.2inchesx0.6inches
NoteontheDFreeadhesivesheetNoteontheDFreeadhesivesheet
Donotuseonwounds.Donotuseifyou
haveanyskinproblems.
Ifyouarepronetoskinproblems,consult
yourdoctororpharmacistbeforeusingthis
product.
Donotusethisproductifyouareallergic,
havesevereedema,orhaveverysensitive
skin.
Althoughtheproductusedisgentletothe
skin,itdoesnotpreventskinproblemsfor
everyone.
Ifyouexperienceanysymptomssuchas
itchingorrash,discontinueuseimmediately
andconsultaphysicianorpharmacist.
Makesureyourskiniscleananddrybefore
use.
Whenremovingtheproductfromtheskin,
holdtheproductinyourhandandpeelitoff
slowlyinthedirectionofthebodyhairto
avoidliftingtheskin.
Storetheproductinacool,dryplaceaway
fromdirectsunlightandwater.
Donotusetheproductforanypurpose
otherthanattachingtheDFree.
WhenyouremovetheDFree,besureto
removetheDFreeadhesivesheetfromyour
bodyaswell.Thismaycauseskintrouble.
BesuretoplacetheusedDFreeadhesive
sheettothestoragesheetforsafekeeping.
Therecommendednumberofusesforthe
DFreeadhesivesheetisthreetimes.Replace
withanewoneiftheadhesivestrength
decreasesorifitbecomesnoticeablydirty.
Theapproximatenumberoftimesyoucan
usetheproductdependsonthenumberof
timesyouchangeyourposturewhileusingit
andthesweatingconditionscausedbythe
temperature.
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Introductioan
Preparation
Placement
Howtousetheapp(iPhoneversion)
Howtousetheapp(iPhoneversion)
Frequentlyaskedquestions
Warranty
WhatyoucandowithDFree
HowDFreeworks
Posturethatiseasytomeasure
anddifficulttomeasure
Checkthecontents
Nameofeachpart
ChargingDFree
Installingtheapp
Newregistration*iPhoneonly
ConnectionwithDFree(iPhoneversion)
PlacementPosture/PlacementProcedure
Howtoremove
Homescreen
Howtorecord
Notification
Urinationchart/Activitychart
Menu
Homescreen
Howtorecord
Notification
Viewhistory
Menu
7
8
9
10
10
11
11
11
12
14
16
18
20
21
22
24
27
29
29
30
31
34
36
-7-
WhatyoucandowithDFree
Introduction
Theappdisplaysurinelevelasa
numberfrom0to10,soyoucan
checkthecurrentlevelofurine
accumulationataglance.
10-stepdisplayofurinelevel
1
Youwillreceivenotifications
suchas"Almost"and
"Check"toletyouknow
whentogotothebathroom.
Appnotifiesyouwhen
togotothebathroom
2
Youcaneasilykeeptrackofyour
urinationpatternsfromtheapp.
Thisallowsyoutomonitoryour
urinationpatternsandanychanges
inthem.
Reviewingtheurination
records
3
Introduction
*Value10doesnotindicatethemaximum
bladdercapacitywhichvariesbyperson
-8-
Thebladderisanorganthattemporarilyholdsurineanditis
locatedabovethepubicbone.Thebladderexpandswhen
urineaccumulatesandcontractswhenurineisdisposed.Italso
changesitsshapeduetochangesinpostureandpressure
fromsurroundingorgans.
DFreeusesultrasound,whichissafeforthehumanbody,to
detecturineaccumulationinthebladder.DFreeisequipped
withfourultrasonicsensorsandmeasuresthesizeofthe
bladderaccordingtothenumberofrespondingsensors.
HowDFreeworks
Pubisbone
Bladder
Ventral Dorsal
Echoimageofthebladdercapturedbyanultrasoundmachine.
Beforeurination (expansion) Afterurination (contraction)
-9-
・Lyingonback
・Loosesittingposition
(leaningbackinachair)
Thosewithexcessivefatinthelowerabdomen/Thosewithextremelylooseskininthe
lowerabdomen/Forpeoplewithsevereskinrednessorirritation/Thosewhocannot
holdtheirurine/Forthosewhourinatelittleatatime/Thosewhocannotfullyurinate/
Thosewithlargesurgicalscarsorwoundsinthelowerabdomen/Peoplewiththickbody
hair(pleasetrimitshort)
Thosewhohavedifficultyinobtainingdata
Ifyouarepregnant/Personsusingimplantedmedicaldevices(pacemaker,defibrillator,etc.)
Donotusethisproductinthefollowingcases
Posturethatiseasytomeasureanddifficulttomeasure
ObtainingaccuratedatafromDFreedependsonthepostureand
conditionoftheuser.PleaseuseDFreewithanawarenessofyour
postureforaccuratemeasurement.
Postureforaccuratemeasurement
Posturethatpreventsaccurate
measurement
・Lyingonside
・Extremeforwardleaningposture
・Sittingwithlegscrossed
・Excessivemotion
・Facingdown
Nameofeachpart
LEDlamp
Powerbutton
Charging
terminalcover
Peelingsheet
Tape
Holder
-10-
Youcanturnthe
poweronandoffby
pressingandholding
thepowerbuttonfor
3seconds.
Poweron
Measuring
Poweroff
Charging
Charging
completed
Error
Redandgreen:Flashingalternately
Green:Blinksevery3seconds
Red:3flashes
Red:Lit
Green:Lit
Orange,green,red:Flashinginorder
MeaningHowitblinks/lightsup
*Ifanerroroccurs,youcanresettheDFreebypressingandholdingthebutton
for10secondswhiletheACadapterispluggedin(chargingstate).Iftheerror
stilloccursafterresetting,pleasecontactourcustomerservice.
Checkthecontents
Preparation
① DFree
② Ultrasoundgel
③ ACadapter
＊ DFreeadhesivesheet
1unit
1bottle
1pc.
Soldseparately
① ② ③ ＊
*DFreeadhesivesheetscanbepurchasedathttps://dfreeus.biz
Preparation
Clickheretoinstall▶
(iOS13.0orhigher)
Installingtheapp
Clickheretoinstall▶
(Android9.0orhigher)
-11-
ChargingDFree
Chargetime:About4hours
Runtime:About40hours
Removethechargingterminalcover
andconnectanACadaptertothe
DFreetochargethebattery.TheLED
lightwilllightupredduringcharging.
Whenchargingiscomplete,theLED
lightwilllightupgreen.
*Pleasedonotchargethebattery
whilewearingit.Thismaycause
electricshock.
Clickthe"Register"button,
andaconfirmationemail
willbesenttoyou.
Clickonthelinkinthe
emailtocompletetheemail
addressverification.
OpentheapplicationandselectNewRegistration.
Newregistration
TurnonyourDFreeandselect
the"FindDFree"buttononthe
screen.
ConnectionwithDFree(iPhoneversion)
1
WhentheDFreechangesfrom
blinkingredtoblinkinggreen,the
connectionwiththeDFreeis
successful.
Click"Next"toregistertheuser's
information.
2
Pressandholdthepower
buttonfor3secondstoturn
onthepower.
Ifyouareunabletoestablisha
connection,pleasecheckthe
following:
●IfDFree'sbatteryislow,
pleasechargeit.
●PleaseturnontheBluetooth
viasettingofyouriPhone.
-12-
Select"DFreedevice
settings"fromthemenu
screenandpress"DFree
Registration."
ConnectionwithDFree(Androidversion)
1
Pressthe"Register"button
andthen"Pleaseselect".
Selectthedisplayed
numberandpressthe
"Connect"button.Ifthe
LEDonDFreechanges
fromblinkingredand
greentoblinkinggreen,the
communicationconnection
withDFreeissuccessful.
2
Ifyouareunabletoestablishaconnection,pleasecheckthefollowing.
●IfDFree'sbatteryislow,pleasechargeit.
●PleaseturnontheBluetoothviasettingofyourAndroidphone.
●Pleasemakesurethat"Allowonlywhileusingtheapp"and"Useaccurate
locationinformation"areturnedonforlocationinformationpermissions.
●Pleaserestarttheapp.Orrestartyoursmartphone.
-13-
Select"Accurate"or
"Onlywhenusingthe
app"toaccesslocation
information.Turnon
detectionofnearby
devices.
-14-
Ifyouareusingit,sitinachairso
thatyoucanleanbackdeeply.
Ifyouaresupportinganother
person,havethepersonlieonthe
back.
Posturewhenusing
Image
Positioningprocedure
Assumeapositiontoattachthe
senorandcheckthelocationof
yourpubicbone.
Thepubicboneisthefirstbone
youtouchasyougradually
loweryourfingerfromthenavel.
1
PeelofftheDFreeadhesive
sheetfromthepeelingsheet.
2
Placeoneofyourfingerson
yourpubicbone,placeyour
fingerontheindentationatthe
bottomoftheDFreeinstallation
sheet,andattachitdirectlyto
yourskin.
3
PlacementPlacement
-15-
Makesurethatthesheetisfirmly
attachedtotheedgessothatit
doesnotfloatorwrinkle.
*IftheDFreeadhesivesheetfloatsdue
topubichair,werecommendtrimming
thehairtomakeiteasiertoapply.
4
Applygeltotheconvexareaon
thebackofDFree.
Spreadtheultrasoundgelevenly
toachieveauniformthickness.
*Ifthereisnotenoughgelapplied,
properdatacannotbeobtained.
5
6
Periodicallyholddowntheadhesivesheetoveryourclothes.
・Repeatedchangesinposturemayweakentheadhesivestrengthofthesheet.
・Theadhesivestrengthofthesheetmayweakenduetoperspirationduringwarmweather.
Tomaintainasecurefit
HoldtheDFreesothatthetopand
bottomarecorrect(makesure
thatDFreelogoisnotupside
down).SlideDFreefromtheside
withtheterminalcoverintothe
holderonthe
DFreeadhesive
sheet,andthenpressintheother
sidetosecurelyattach.
*Afterturningonthepower,makesure
thattheDFreeLEDlightisblinkinggreen.
→ConnectionwithDFreep12,13