King-Meter E5227-U LCD User manual

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KING‐METER
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USERSGUIDE
E5227‐U  LCD

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I
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Contents
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AbouttheUserManual....................................................................1
AppearanceandSize........................................................................2
MaterialandColor...................................................................2
FunctionSummaryandButtonDefinition.......................................5
FunctionOverview...................................................................5
NormalDisplayArea................................................................6
ButtonDefinition......................................................................6
Precautions......................................................................................7
InstallationInstruction.....................................................................7
StandardOperation..........................................................................8
PowerON/OFF.......................................................................8
DisplayInterface.......................................................................8
Distance....................................................................................9
Speed(currentspeed/averagespeed/maxspeed)..................9
PushCruiseControl................................................................10
TurnOnBacklight...................................................................10
PASLevelSelection.................................................................11
BatteryIndicator....................................................................11
MotorPower..........................................................................12
ErrorCode..............................................................................12
PhoneCharging(OnlyForDisplaywithUSBPort).........................13
UserSetting....................................................................................14
PreparationbeforePowerOn................................................14

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II
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GeneralSetting.......................................................................14
SingleTripClearance......................................................15
BacklightBrightness.......................................................15
DisplayUnit....................................................................16
ExitSetting.....................................................................16
PasswordSetting....................................................................17
PasswordUse.................................................................17
ChangePassword...........................................................18
OperationParameterSetting.................................................18
WheelSizeSetting..........................................................19
SpeedLimitSetting........................................................20
Personalization...............................................................................21
PersonalizationPasswordInput.............................................21
BatteryIndicatorSetting........................................................23
PASParameterSetting............................................................23
PASLevelSelection.........................................................23
PASProportionSetting...................................................24
CurrentLimitSetting..............................................................25
PASSensorSetting.................................................................26
PASSensorDirectionSetting..........................................26
PASSensorSensitivitySetting........................................26
PASSensorProportionParameterSetting.....................27
SpeedSensorSetting.............................................................28
ThrottleFunctionSetting.......................................................28
ThrottlePushCruiseControlEnableSetting..................28
ThrottleLevelEnableSetting.........................................29
SystemSetting........................................................................30

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III
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BatteryDelayTimeSetting.............................................30
MaxSpeedLimitSetting................................................31
PushCruiseControlEnableSetting................................31
PushSpeedSetting.........................................................32
SlowlyStartupSetting...................................................33
ExitSetting.............................................................................33
RestoreDefaultSetting..................................................................34
FAQAnswers..................................................................................35
QualityWarrantyAndCoverage....................................................36
CircuitBlockDiagram.....................................................................37
SoftwareVersion............................................................................38
AttachedTable1：DefinitionofErrorCode..................................39
AttachedTable2：PasswordChecklist..........................................40
AttachedTable3：PersonalizationParametersTable...................41
AttachedTable4：PASProportionDefaultValue..........................43
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1
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AbouttheUserManual
Dearusers, 
Toensurebetterperformanceofyoure‐bike,pleasereadthrough
theE5227LCDproductintroductioncarefullybeforeusingit.We
willusethebriefwordstoinformyouofallthedetails(including
hardwareinstallation,settingandnormaluseofthedisplay)when
usingourdisplay.Meanwhile,theintroductionwillalsohelpyou
solvepossibleconfusionandbarriers.
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2
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AppearanceandSize
MaterialandColor
E5227LCDhousingmaterial:PC.Andthecolorofhousingisblack.
Workingtemperaturescope:‐20℃—+60℃,theshellmaterialcan
ensurenormaluseandgoodmechanicalperformanceofthe
products. 
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DisplaySizeandInstallationSize（Unit：mm）
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3
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E5227LCDisequippedwithspecialN3‐buttonunit. 
,N3buttonshapeisasfollows：
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TheN3buttonisconnectedtothebottomleadoftheE5227LCD
display.
In the follow‐up instructions, the button  is named as
【MODE】.Thebutton  isnamedas【UP】,thebutton  is
namedas 【DOWN】.
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Inaddition,30buttonasbelowisalsooptional,tobemountedon
theleftsideofthehandlebarorontherightsideofthehandlebar.

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4
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Itsshapeisasfollows:
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The30 buttonis connectedtothebottomleadof theE5227LCD
display.Inthefollow‐upinstructions,
Thebutton isnamedas【MODE】.  Thebutton  is
namedas 【UP】,thebutton  isnamedas 【DOWN】.
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5
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FunctionSummaryandButtonDefinition
FunctionOverview
TheE5227LCDoffersyouavarietyoffeaturesanddisplaystosuit
yourcyclingneeds.Thedisplayedcontentsare:
◆Batterycapacity
◆Motorpower
◆Speed (Including current speed, maximum speed and
averagespeed)
◆Distance(IncludingsingletripandODO)
◆Pushcruisecontrol
◆Turnonbacklight
◆ErrorCode
◆Multiplesettingparameters
◆Defaultparameterreset
◆Phonecharging(onlyfordisplaywithUSBport)
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6
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NormalDisplayArea
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E5227LCDnormaldisplayarea
ButtonDefinition
In the subsequent description, the  button is named as
【MODE】.Thebutton  isnamedas 【UP】,andthebutton
isnamedas 【DOWN】.
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7
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Precautions
Pay attention to safety during use, do not connect or disconnect
thedisplaywhileitispoweredon.
Thedisplayshouldtrytoavoidbumps.
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Thedisplayusesafilmaswaterprooffilm;pleasedo
nottearit,soasnottoaffectthewaterproof
performanceofthedisplay.
Regarding the background parameter setting of the
display,pleasedonotchangeitatwill,otherwiseitwill
notguaranteenormalriding.
Whenthedisplayisnotworkingproperly,itshouldbe
repairedassoonaspossible. 
InstallationInstruction
Fix the display on the handlebar and adjust the proper angle of
view.In thecasethatthee‐bikeis poweredoff,the connectorof
the display is inserted into the connector corresponding to the
controllertocompletetheinstallation.
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8
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StandardOperation 
PowerON/OFF
Hold【MODE】 button,thedisplaystartstoworkandprovidesthe
controllerwithworkingpower.Inthepoweronstate,hold
【MODE】 buttontoturnoffthepoweroftheelectricvehicle.In
thepoweroffstate,thedisplaynolongerusesthebattery'spower
supply,andthedisplay'sleakagecurrentislessthan1uA.
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If the e‐bike is not used for more than 10 minutes, the
displaywillautomaticallyshutdown.
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DisplayInterface
After the display is turned on, the display shows the following
interface:
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9
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Distance
Press 【MODE】 toswitchbetweenTRIPandODO.Thisfeature
makes it easy for users to view the current mileage (TRIP) and
accumulatedtotalmileage(ODO).
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Speed(currentspeed/averagespeed/maxspeed)
Afterthee‐bikeisturnedon,thedisplayshowsthecurrentspeed
bydefault.
Hold【MODE】 and 【UP】 buttonssimultaneouslyfor2seconds
todisplaytheaveragespeed(AVG)ofthecurrentride.Hold
【MODE】and【UP】 buttonssimultaneouslyagainfor2seconds
todisplaythemaximumspeed(MAX),hold【MODE】and 【UP】
buttonssimultaneouslyagainfor2seconds,returntothecurrent
speed,repeatthiscycle. 
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10
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PushCruiseControl
Hold【DOWN】for2seconds,thee‐bikeentersthemodeofpower
assistwalk.Thee‐biketravelsataconstantspeedof6Km/h,WALK
symbolflashesonthescreen.
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The power‐saving function can only be used when the
userpushesthee‐bike.Donotuseitwhileriding.
TurnOnBacklight
Hold【UP】 buttonfor2seconds,thedisplay’sbacklightisturned
on,andthecontrollerisnotifiedtoturnontheheadlights.TheLCD
backlightcanbeturnedonwhenthereisinsufficientexternallight
ordrivingatnight.Hold【UP】 buttonfor2secondsagain,andthe
LCDbacklightturnsoff.

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11
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PASLevelSelection
Pressthe 【UP】or【DOWN】 buttontoswitchthePASlevelof
thee‐bikeandchangetheoutputpowerofthemotor.Thedefault
outputpowerrangeofthedisplayisPAS1‐5,andpresetlevel1. 
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BatteryIndicator
Whenthebatteryvoltageishigh,thefive‐segmentLCDison.
Whenthebatteryisundervoltage,theouterframeofthebattery

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12
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flashes, indicating that the battery is seriously under‐voltage and
hastobechargedimmediately.
Flashingunder‐voltage
MotorPower
Thedisplaycanshowtheoutputpowerofthecurrentmotor.The
displaymodeisasshownbelow.
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ErrorCode
When the e‐bike electronic control system fails, the display will
automaticallyreporttheerrorcode.SeeTable1forthedefinition
ofthedetailederrorcode.

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13
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Thefaultdisplayinterfacecanonlybeexitedwhenthe
faultiseliminated.Afterthefaultoccurs,thee‐bikewill
notbeabletocontinueriding.
PhoneCharging(OnlyForDisplaywithUSBPort)
DisplaywithUSBinterface,thisinterfaceprovideschargingpower
formobilephones, output5VDC/500mA. When thedisplay is off,
connectthemobilephonedatacablebetweenthedisplayandthe
mobilephone. Andthenturnonthe display, itshows'USB' every
3S,indicatingthatthemobilephoneisbeingcharged;ifthedisplay
isturnedoffatthistime,theUSBinterfacestillprovidesthemobile
phone charging function. In any state, unplug the phone and the
chargingwillautomaticallyterminate.
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14
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UserSetting
PreparationbeforePowerOn
Make sure the connectors are docked firmly and turn on the
e‐bike.
GeneralSetting
Hold 【MODE】 button to start up. In the power‐on state, hold
【UP】 and 【DOWN】buttonssimultaneouslyfor2seconds,the
displayentersthesettingstate.
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15
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SingleTripClearance
CLstandsforsingletripclearance,andthesettingparameteris
optional N/Y. The default N means that the single trip distanceis
notcleared.Y/Ncanbeselectedby【UP】/【DOWN】,Ymeans
thatthesingletripdistanceneedstobecleared,andNmeansthat
thesingletripdistancedoesnotneedtobecleared.
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BacklightBrightness
BLstandsforbacklight.Parameters1,2,and3canbesetto
indicatethebrightnessofthebacklight.Thefactorydefaultvalueis
1.Thebacklightbrightnessparametercanbechangedby 【UP】/
【DOWN】.1isthedarkestand3isthebrightest.

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16
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DisplayUnit
Unitrepresentsthedisplayunit.TheparameterMetric/Englishcan
be set. The factory default is metric. The parameters can be
changedby 【UP】/【DOWN】.

ExitSetting
Inthesettingstate,shortlypress【MODE】 buttontoconfirmthe
inputandenterthenextsetting;andhold【MODE】 buttontosave
andexitthesettingstate.
