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1. 35 DISCE mea t MM cu Md 37 Verom MII OMI 37 ELECTRIC BICYCLE METER KT LCD3 Product User Manual Preface The illustrated manual will help you understand and be familiar with the meter function guiding you on how to operate the meter how to set the project parameters how to achieve the best match of the three as motor controller and meter to improve electronic control performance of the electric motor This manual covers installation operation parameter setting of the meter and how to use it properly which help you resolve the problems appeared in practical use Outlook and Size O Meter Dimension Meter Dimension Dual Bracket Mounting Dimension O Button Box Dimension 45 ELECTRIC BICYCLE METER KT LCD3 Product User Manual O Main Material and Color PC material 1s mainly used for KT LCD3 meter and button box housing and the housing color is dark gray or white O Wiring Schematic 36V Control Blue Display GND Black 4 Datal Green 9 Data Yellow L je SS Installation Instruction The meter body and button box are mounted on the handlebars of the electric vehicle adjusting perspective In the case that the vehicle is power off the meter connectors are in plug connection to corresponding controller co
2. zin SUZHOU CITY KUNTENG ELECTRONIC CO LTD FAP FAR User Manual KT LCD3 eBike Special Meter WWW SZKTDZ COM ELECTRIC BICYCLE METER KT LCD3 Product User Manual Contents i ro T rc UT 4 uie dci ECT 4 NICUtGEDIIIET STO 4 Button Dimen io to i abu CO UICE 4 Man Material and E 5 Ne SCONE IM AU e td Dep ad 5 E E S 5 31 8 handlebar diameters 0000 4 5 27 2 handlebar diameters mstall 46On oor eer PES EE E ES VES ER ERE A 5 Physical anstallatt n 1C OD rite amu Eie Ioue anode ptus 6 lg tine HE 6 C Olle Rn EESTI EINE MIR MEAM E 7 Dutton biens aD esu Da Eu 7 tuti dra edt 7 E TER 7 Display 9 DSP ort 9 DOP AV fo aas 9 BD 10 D splassor Turned on Handle Dato A 11
3. C11 parameter setting interface C11 is meter attribute selection mode The setting range is 0 2 hold button 234 ELECTRIC BICYCLE METER KT LCD3 Product User Manual u UP or button DOWN shortly for selection C11 parameter definition table Meter Attribute Meter uses LCD3 new version of communication protocol it is compatible LCDI and LCD2 Meter uses LCD1 and LCD2 old version communication protocol it is not compatible LCD3 As data source for copying parameters the meter transfers the new LD3 parameter to other meters 11 selects 2 hold SW long for about 2 seconds to exit the setting environment and then the meter is served as data source for copying parameter see parameter copy there s source logo on display interface Data Source Display Interface After finishing C11 parameter setting hold LCD button SW shortly to save the current set values and enter C12 parameter setting interface O C12 Controller Minimum Voltage Adjustment Mode Enter C12 parameter setting interface after C11 parameter setting 1s finished C12 parameter column flashes 32 ELECTRIC BICYCLE METER KT LCD3 Product User Manual t uU C12 parameter setting interface C12 1s controller minimum operating voltage adjustment mode tiny adjustment of n voltage shortage The default value is 4 and the setting range is 0 7
4. hold ml button u UP or WE button DOWN shortly for selection C12 parameter definition table Minimum Voltage V ovde 24 Controller 36V Controller 48 V Controller a ae Default value 2 V Default value 2V Default value 2V Default Default Default value 1 5V value 1 5V value 1 5V Default value 1V Default value 1V Default value 1V Default Default 3 Default value 0 5V value 0 5V value 0 5V Default value Default value Default value 20V 30V 40V Default Default 5 Default value 0 5V value 0 5V value 0 5V Default value 1V Default value 1V Default value 1V Default Default Default value 1 5V value 1 5V value 1 5V C12 default value is 4 namely controller minimum operating voltage voltage shortage value when setting is 5 the default value plus 0 5V when setting is 4 the default value minus 0 5 Vand so on 33 ELECTRIC BICYCLE METER KT LCD3 Product User Manual After finishing C12 parameter setting hold LCD button SW shortly to save the current set values and enter C13 parameter setting interface O ABS brakes of the controller and parameters of anti charge control Enter into C13 parameter setting interface C13 parameter bar flashes VI Co C13 parameter setting interface 15 ABS brakes of the controller and parameters of anti charge control The P default value is with the setting range between 0 5
5. parameter setting interface P4 is handlebar startup mode When P4 setting is 1 indicating the handlebar is under non zero startup mode namely the handlebar can be effective only after startup the foot power assist When P4 setting is 0 indicating the handlebar is under zero startup mode the motor can be startup by the handlebar directly P4 setting range 1s or 1 hold n button UP or button DOWN shortly for selection P4 parameter setting method 1s the same to that of P2 O P5 Power Monitoring Mode Enter P5 parameter setting interface after P4 parameter setting is finished P5 parameter column flashes 5 15 P5 parameter setting interface P5 is power monitoring mode when P5 setting is 0 the power monitoring 15 the real time voltage mode Namely it is the method to determine the battery capacity based on real time battery voltage When P5 equals to a specified parameter the power monitoring is the smart power mode this parameter is determined by the battery characteristics ordinary 24V lithium 1s generally 1s 4 11 36V lithium 15 between 5 15 P5 n setting ranges from 0 40 hold M ws button UP WE button DOWN shortly for selection P 5 parameter setting method 15 the same to that of P2 After finishing P5 parameter setting hold button SW shortly to save current set the values and then P5 parameter column stops flashing Hold D button SW shortly aga
6. C8 is motor operating temperature display mode The setting range is or 1 hold E button UP or M button DOWN shortly for selection C8 parameter definition table C8 value Motor operating temperature 0 Function off Please Note The motor operating temperature display requires installing temperature sensor in the motor output temperature detection signal simultaneously After finishing C8 parameter setting hold p button SW shortly to save the current set values and enter C9 parameter setting interface O C9 Startup Password Setting Mode Enter C9 parameter setting interface after C8 parameter setting 15 finished C9 parameter column flashes C9 parameter setting interface vu EN C9 is meter power on password setting mode The default value is hold 29 ELECTRIC BICYCLE METER KT LCD3 Product User Manual button UP 7 button DOWN shortly for selection C9 parameter definition table C9 value Startup password setting 0 Function off When 9 setting is 1 hold p button SW shortly indicating that the password function 15 startup and then enter the password settings interface three password setting columns flash Lo C2 Ca Password Setting Interface The password setting is done sequentially from left to right hold p button shortly to confirm after each setting and enter next setting Password
7. Clearing 5 seconds after the meter is powered on at display 1 hold both the button UP and the WE button DOWN simultaneously for about 2 seconds the single trip time TM and single trip distance DST flicker then hold p button shortly SW the record contents of both will be cleared Single data clearing display Under the status of data flashing if there were no operations on the data within 5 15 ELECTRIC BICYCLE METER KT LCD3 Product User Manual seconds the meter will automatically return to display1 after 5 seconds and the original record content will be saved O Automatically Prompt Interface Error Code Display When the electronic control system of the electric vehicle fails and the meter will automatically display flicker fault code You can t exit the fault code display only the fault 15 removed inr ci Error Code Display Error Code amp Definition Table Throttle Abnormality Motor Hall Signal Abnormality Torque sensor Signal Abnormality Axis speed sensor Abnormality only applied to torque sensor Motor or controller has short circuit Abnormality Motor operating temperature alarm Under any interface when the motor operating temperature exceeds the warning value the motor operating temperature display flashes to alarm meanwhile the controller will offer the appropriate protection to motor User Setting P
8. Display of Power assist vo AA 11 PAS Ratio or Handlebar Gear 5 12 Push Fon OMe casses eese tU er anas 12 Cruise FUNCUOM 5 13 OnO Bac 13 Battery Capacity Indic BOE uo et ae AGE MS PEJUS 13 Motor Power and eR oh one i De ioa a opns itia 14 ELECTRIC BICYCLE METER KT LCD3 Product User Manual Environment Temperature ases oucbek eub Rb IATER URL dU I 15 Ste I 15 zutoimatic Prompt Intefface es sx vene Fan Pd ass 16 Eitor COGS DIS DIG evaser a 16 Motor Operating Temperature 16 16 General Project Set llle S 17 Maximan Erp Speed Vd re 17 aniele TTL UTE 17 Metre and Impera LUM S RES REIR EE RO pr E 18 Exit General Project Setn os ooo bas 19 UL A 19 Motor Characteristic Parameter Setting 19 P2 Wheel Speed Pulse Signal Setting 20 PS Power Assist COntr
9. press UP button or M WE DOWN button to make selection C13 parameter definition table C13 Value ABS braking strength Energy recovery efficiency Best Class 1 braking strength energy efficiency G Class2 braking strength us energy EREA efficiency P Class4 braking strength UN pde efficiency Bad Class5 braking strength efficiency The recommended value of C13 1s other values need to be chosen with caution for Weak 3 Class 3 braking strength ine Teeny efficiency use Be sure to note the higher 15 the braking intensity level and the braking strength will be greater the greater damage to the motor shaft accordingly After finishing the parameter setting of C13 press Wsw button for short to enter C14 parameter setting interface 34 ELECTRIC BICYCLE METER KT LCD3 Product User Manual C14 Power assist tuning parameters Enter into C14 parameter setting interface C14 parameter bar flashes V CGU 4 C14 parameter setting interface C14 is the parameters of power assist tuning with the default value of 2 power assist 15 between1 4 gear and it is invalid until P3 equals to 1 The setting range 1 3 v press UP button DOWN button for short to make selection C14 parameter definition table C14 Value Assist strength of intelligent pedal motor 1 Weak assist strength of motor 2 General as
10. setting range 1s 000 999 hold T E button UP or M button DOWN shortly for selection Please note If you forget your password the parameters can only be copied see parameter copy by data source meter prier to be decoded After finishing C9 parameter setting hold LCD button SW shortly to save the current set values and enter C10 parameter setting interface O C10 Automatically Restore Default Setting Mode Enter C10 parameter setting interface after C9 parameter setting is finished C10 parameter column flashes 30 ELECTRIC BICYCLE METER KT LCD3 Product User Manual ra C10 parameter setting interface C10 1s automatic restore default settings mode The default is n and the setting can be n or y hold button UP or WE button DOWN shortly for selection C10 parameter definition table C10 value Restore default setting When the meter is needed to restore default setting C10 selects y hold p button long for about 2 seconds all parameters restore default settings and exit setting environment and then return to the displayl C10 selects n hold b button SW shortly to save the current set values and enter C11 parameter setting interface O C11 Attribute Selection Mode Enter C11 parameter setting interface after CIO parameter setting 15 finished C11 parameter column flashes 24
11. Black a CT HI Black O RS Blue j Green gt 1 Cx en Yellow 2 Meter parameter copy wiring diagram VB VBr SM 5A White Yellow Red SM 5A White Green Black Black E Yellow Red Green Special wiring cable Turn on meter power supply of data source Power supply of 48V or 36V or 24V 15 available VB positive power supply After wiring the meter needs to be copied hold p button long till meter 16 startup Within 5 seconds after startup hold E button M button DOWN simultaneously for about 2 seconds meter parameter copy is completed If the copy operation 15 correct the meter subject to be copied will display as follow 36 ELECTRIC BICYCLE METER KT LCD3 Product User Manual Interface of finishing parameter copy Please note Both C9 power on password and C11 meter attributes can t be copied Besides LCD3 meter can only copy parameter of the same meter model User Setting Note After entering the user setting environment if there s no button operation on the data for more than 1 minute the meter will automatically return to displayl and the new set parameters won t be saved The factory parameter set value and the default value of the meter can be set according to user requirements the meter parameter can be restored by using 10 automatically restore factory setting mo
12. P parameter setting environment the first 1s to set Plparameter n parameter column flashes setting ranges betweenl 255 hold button UP or M button DOWN shortly for selection 19 ELECTRIC BICYCLE METER KT LCD3 Product User Manual parameter setting interface Under P1 parameter setting interface if there s no button operation on the meter for more than 1 minute and then the meter will automatically return to display 1 and the original set parameter will be saved After finishing parameter setting hold LCD button shortly to save the current set values and enter P2 parameter setting interface O P2 Wheel Speed Pulse Signal Setting Mode Enter P2 parameter setting interface after parameter setting is finished and P2 parameter column flashes CL cU P2 parameter setting interface P2 is wheel speed pulse signal setting mode If wheel generated 1 pulse signal by a revolution P2 should be set asl If wheel generated 6 pulse signals by a revolution P2 should be set as 6 If users didn t configure the pulse signal system and then P2 parameter setting be 0 The setting range of P2 should be between 0 6 hold button UP shortly WE button DOWN for selection Under P2 parameter setting interface if there s no button operation on the meter for more than 1 minute and then the meter will automatically return to di
13. able KUNTENG power assist Cl Start KUNTENG V12 Cl Start sensors value Sensitivity power assist sensors value Sensitivity Standard 05 Standard Forward 5 Signal 00 Reverse 6 Signal 0 Lo tower ELECTRIC BICYCLE METER KT LCD3 Product User Manual dew 00 Higher 05 Higher 06 Standard 00 Highest Forward 10 Signal Reverse 12 Signal 06 Highr Forward 8 Signal Reverse 10 Signal Forward power sensor signal waveforms Reverse power sensor signal waveforms After finishing parameter setting hold p button SW shortly to save the current set values and enter C2 parameter setting interface O C2 Motor Phase Classification Coding Mode Enter C2 parameter setting interface after parameter setting 15 finished C2 parameter column flashes S C2 parameter setting interface C2 1s motor phase classification coding mode It is served as identification parameter of different phases of the motor when using sine wave drive and the default value 15 0 When C2 setting 15 0 indicating that the used Quantum motor phase is an ordinary one When the setting is a certain value indicating a particular motor phase is used C2 setting range is 0 7 hold button UP WME button DOWN for selection After finishing C2 parameter setting hold p button SW shortly to save the current set values and enter C3 parameter set
14. de approach when adjusting it Version Information KT LCD3 V2 0 Released on October 20 2014 397
15. ding wheel diameter specification to a selected vehicle The selection range of wheel diameter specifications are 13 species such as 6 8 10 12 14 16 18 20 22 24 26 700 c and 28 inches 17 ELECTRIC BICYCLE METER KT LCD3 Product User Manual Bn Setting Interface of Wheel Diameter Under the wheel diameter setting interface if there s no button operation on the meter for more than 1 minute and then the meter will automatically return to display 1 and the original set values will be saved After finishing the wheel diameter setting hold p button SW shortly to save the current set specification and enter into the next setting O Metric and Imperial Units After finishing the wheel diameter setting enter into the metric imperial units setting n interface and then speed and mileage unit flash Hold button UP WE button DOWN shortly to make sync selection of three metric imperial units as speed mileage and the environment temperature MPH Km H Mil F Km 5 Setting Interface of Metric Imperial Units Definition Table of Metric Imperial Units Total distance Environment C Temperature Fahrenheit temperature Under the metric imperial units setting interface if there s no button operation 18 ELECTRIC BICYCLE METER KT LCD3 Product User Manual on the meter for more than 1 minute and then the
16. erating status hold button SW long the meter 15 powered off meanwhile to shutdown the power supply of controllers When the vehicle is stopped and without any button operation on the Du ELECTRIC BICYCLE METER KT LCD3 Product User Manual meter for five minutes the meter will automatically shut down and the power supply of the electric vehicle will be powered off In power off mode the power consumption of the meter and controller 15 zero O Display Interface Display 1 The meter is startup to enter display 1 Display 1 The followings are shown on display 1 72 2 00 Battery Capacity Indicator single Trip Time TM Display ASSIST m al Power Assist Ratio Gear ASSIST Real time Trip Speed Km H C 4 e al Km H single Trip Distance 6Km H Power Assist Function ELECTRIC BICYCLE METER KT LCD3 Product User Manual aug MOTOR F W c C C Motor Operation Power Environment Temperature O Backlights and Headlights Status Brake Status y i a3 MOTOR E CRUISE Cruise Function CRUISE Motor Running Temperature Display 2 In display 1 hold button SW
17. he display interface shows the sign of turned on handlebar see the Figure below The sign will be off automatically after about five seconds O Display of power assist startup The meter is driving with power assist under normal operating conditions the display interface flashes the power assist startup sign ASSIST as shown in the figure The sign will be off automatically after about five seconds ASSIST 11 ELECTRIC BICYCLE METER KT LCD3 Product User Manual O PAS Ratio or Handlebar Gear Switch P Under normal operation hold button UP WE button DOWN to switch the power assist ratio or handlebar gear ASSIST changing motor output power Switching range is 1 5 gear this can also be configured according to the customer requirements gear is for the lowest power and gear 5 is for the highest power 959 TM Je PAS Ratio Handlebar Gear Switch At every startup the meter will automatically restore gear this can also be configured as required by users when it was at last shut down When the power assist ratio is gear 0 zero there s no power assist function O Power Assistant Push Function 1 Users use 6Km H power assist function when pushing vehicles Hold M button DOWN the meter assist function logo flashes the vehicle drives at the speed of no more than 6Km h Relea
18. in the meter re enter parameter setting interface Or hold p button SW long for about 2 seconds to exit P parameter setting environment and return to the display 22 ELECTRIC BICYCLE METER KT LCD3 Product User Manual O Exit P Parameter Setting Among the five P parameter settings when each parameter setting 1s completed if held b button SW long for about 2 seconds all can exit the setting environment and return to display 1 meanwhile the current set parameters would be saved Under each parameter setting interface if there s no button operation on the meter for more than 1 minute and then the meter will automatically return to display 1 and the original set parameters will be saved C Parameter Setting After finishing P5 parameter setting P5 parameter column stops flashing Within 1 n 7 minute after stopping flashing hold Ga button UP button DOWN for about 2 seconds to enter C parameter setting environment O C1 Power Assist Sensor and Parameter Select Mode Set parameter first after entering C parameter setting environment parameter column flashes 4 parameter setting interface is power assist sensor and parameter select mode Its definition is shown in M button n following table setting ranges between 0 7 hold button UP or DOWN for selection parameter definition t
19. light Brightness Adjustment Mode Enter C6 parameter setting interface after C5 parameter setting is finished C6 parameter column flashes C6 parameter setting interface 1s the meter backlight brightness adjustment mode The default value 15 3 and n setting range is 1 5 hold button UP WE button DOWN shortly for selection C6 parameter definition table 27 ELECTRIC BICYCLE METER KT LCD3 Product User Manual After finishing C6 parameter setting hold D button SW shortly to save the current set values and enter C7 parameter setting interface O C7 Cruise Function Setting Mode Enter C7 parameter setting interface after C6 parameter setting is finished C7 parameter column flashes C7 parameter setting interface n C7 is cruise function setting mode The setting range is 1 hold button UP u W button DOWN shortly for selection C77 parameter definition table After finishing C7 parameter setting hold LCD button SW shortly to save the current set values and enter C8 parameter setting interface O 8 Motor Operating Temperature Display Mode Enter C8 parameter setting interface after C7 parameter setting is finished C8 28 ELECTRIC BICYCLE METER KT LCD3 Product User Manual parameter column flashes Ltt C8 parameter setting interface
20. meter will automatically return to display 1 and the original set units will be saved After finishing the metric imperial units setting hold p button shortly SW to save the current set values and then speed and mileage units stop flashing Hold LCD button SW shortly again and the meter will enter into the maximum riding speed interface again or hold p button SW long for about 2 seconds to exit the general project setting environment and return to display 1 O Exit General Project Setting Among the three general project settings after each setting 1s completed if hold p button SW long for about 2 seconds all can exit the setting environment and return to display 1 meanwhile the current set parameters are saved Under each setting interface if there s no button operation on the meter for more than minute and then the meter will automatically return to display 1 and the original set parameters will be saved P Parameter Setting After finishing metric imperial unit settings the speed and mileage units stop flashing n 7 Within one minute after stopping flashing hold button UP and button DOWN simultaneously for about 2 seconds to enter P parameter setting environment O P1 Motor Characteristic Parameter Setting Mode is motor characteristic parameter setting mode motor gear reduction ratiox number of rotor magnet pieces just rounding if there s any decimal After entering
21. nnectors Turn on the power electric vehicle and meter will be under normal operation the meter installation is finished The protection film on meter display panel should be torn O 31 8 handlebar diameters install icon Lateral View Meter and Dual Bracket View 22 2 handlebar diameters install icon _ _ the encired rubber fielded panel is optional 22 2 or 25 4 B B CGN the encired rubber fielded panel the encired rubber fielded panel Lateral View Meter and Dual Bracket View ELECTRIC BICYCLE METER KT LCD3 Product User Manual O Physical installation icon Function Overview KT LCD3 meter provide you with a variety of functions such as vehicle controls and vehicle status digitized displays to meet the trip demands Trip time display with displays of a single trip time and total trip time TTM Trip speed display with displays of real time speed Km H or MPH and a single maximum speed M XS and a single average speed AVS Trip distance display with displays of a single trip distance DST and total trip distance ODO Display of turned on handlebar Display of power assist startup Power assistant ratio or handlebar gear ASSIST switch 6Km H power assistant push function Cruise function CRUISE Battery capaci
22. ol 21 Startup MOGG oae eate o E 21 P5 Power Monitors Mod ers eerie iub Rag pha rose ted uua 22 Exit P Parameter Seu 23 C Parament I H 23 Power Assist Sensor and Parameter Selection Mode 23 C2 Motor Phase Classification Coding 24 Power Assist Ratio Gear Initialization Mode eee 25 C4 Handlebar 5et ne tp a eR epe Rn 25 C5 Controller Maximum Current Adjustment 26 C6 Backlight Brightness Adjustment 27 CP Crise Funci n Sete edt 28 C8 Motor Operating Temperature Display 28 C9 Power on Password Setting MOUE a sede e 20 C10 Automatic Restore Default Setting 30 11 oum E A M 3l ELECTRIC BICYCLE METER KT LCD3 Product User Manual C12 Controller Minimum Voltage Adjustment 32 C13 ABS brakes of the controller and parameters of control 34 C14 Power assist tuning 35 Exit C Parameter Sell E occisa ia E 35 Patamete ru OD
23. roject KT LCD3 meter user setting project General project setting P parameter setting C parameter setting 516 ELECTRIC BICYCLE METER KT LCD3 Product User Manual General Project Setting O Maximum Trip Speed Under power off status hold button long SW the meter is turned on Within n 5 seconds after boot up hold button UP ME button DOWN simultaneously for about 2 seconds the first 1s to enter the maximum riding speed setting n 7 interface then the speed display column flashes Hold button shortly UP WE button DOWN in order to set the maximum riding speed value The default maximum riding speed value was 25Km h When the speed of the electric vehicle exceeds the set value the motor will be stopped driving Setting interface of maximum trip speed Under the setting maximum riding speed interface if there s no button operation on the meter for more than 1 minute and then the meter will automatically return to display 1 and the original set values will be saved After finishing the maximum riding speed setting hold p button shortly SW to save the current set values and enter into the next setting O Wheel Diameter After finishing the maximum riding speed set ng enter the wheel diameter setting n interface and then the wheel diameter display column flashes Hold button UP or M button DOWN to choose the correspon
24. rtup handlebar speed limit 1s Non zero startup handlebar is specified speed 2 specified limit Zero startup Zero gear effectively Retain Handlebar gears is distinguished Handlebar gears is distinguished according to the according to the display meter display meter After finishing C4 parameter setting hold LCD button SW shortly to save the current set values and enter C5 parameter setting interface C5 Controller Maximum Current Adjustment Mode Enter C5 parameter setting interface after C4 parameter setting 1s finished C5 parameter column flashes C5 parameter setting interface C5 1s controller maximum operating current adjustment mode tiny adjustment of limit current value The default value is 10 setting range is 0 10 hold button UP u button DOWN shortly for selection C5 parameter definition table C5 value Maximum current value A 00 Undefined 296 ELECTRIC BICYCLE METER KT LCD3 Product User Manual I T s s x When C5 setting is 10 maximum current value is controller maximum operating current value 1e limit current value when setting is 9 maximum current value divided by 1 10 when setting is 5 maximum current value divided by 1 15 and so on After finishing C5 parameter setting hold p button SW shortly to save the current set values and enter C6 parameter setting interface O C6 Back
25. se M button DOWN the assist function will be revoked SS 6Km H power assistant push function 412 ELECTRIC BICYCLE METER KT LCD3 Product User Manual O Cruise Function When C7 parameter setting is 1 see C parameter setting the meter turns on cruise 1 t function hold button DOWN long to enter the cruise status when the vehicle speed is more than 7 km h and the cruise function logo CRUISE lights Brake or hold any button to revoke cruise function voL 2463634 Km Cruise Function O Startup Backlights and Headlights Hold E button UP long the meter turns on the backlights as well as the vehicle headlights the Controller should have headlights driving and output functions meter MN n backlighting and vehicle lights power logo D light hold button UP long again to turn off backlights and vehicle headlights Startup Backlights and Headlights O Battery Capacity Indicator The meter can automatically identify 24V 36 48V battery capacities when it is supporting use with the specified controller When the battery capacity is over 70 the four power displays of the meter are lit when the battery capacities drop the four power displays are off in order when the power capacity is less than 15 the four power displays are totally
26. shortly to enter display 2 LLL Display 2 The followings are shown on display 2 35 01 Total Trip Time Total Trip Distance ODO ELECTRIC BICYCLE METER KT LCD3 Product User Manual Ct 4 a En Co 5 MOTOR single Average Speed AVS Motor Operating Temperature In the riding mode after 5 seconds display 2 automatically returns to display 1 In display 1 the original motor power is replaced by motor running temperature as is shown in Figure Display 3 In display 2 hold button SW shortly to enter display 3 ZA gt 000 00 ASSIST VI Fu nuum 1 C C MOTOR F W zT VOL 8 m Display 3 The followings shown display 3 2228 8 Single Maximum Speed MXS Real time Voltage VOL In the riding mode after 5 seconds single maximum speed will automatically return to real time trip speed Km H as shown in the icon 10 ELECTRIC BICYCLE METER KT LCD3 Product User Manual In display 3 hold button SW shortly again to enter display 1 In each display interface if you hold p button SW long the meter will be powered off together with that of the controller O Display of turned on handlebar Rotate the handlebar under normal operating of the meter t
27. sist strength of motor 3 Stronger assist strength of motor After finishing C14 parameter setting hold LCD button SW shortly to save current set values and enter C1 parameter setting interface again Or hold p button SW long for about 2 seconds to exit C parameter setting environment and return to the display 1 O Exit C Parameter Setting Among the fourteen C parameter settings when each parameter setting is completed if held p button SW long for about 2 seconds all can exit the setting environment and return to display 1 meanwhile the current set parameters would be saved Under each parameter setting interface if there s no button operation on the meter for more than 1 minute and then the meter will automatically return to display and the original set parameters will be saved Parameter Copy Set parameters include general project parameter P parameter and C parameter of all KT LCD3 meter produced by our company according to requirements and set the meter Me ELECTRIC BICYCLE METER KT LCD3 Product User Manual to be a data source according to the method of C11meter attribute selection mode Use special wiring cables to properly wire to LCD3 meter needs to be copied according to the diagram inan o una gan PORE al no ABS 131 mi c 888882488 L3 490 Red gm Yellow SH SA Whi te ellow CE SM 5 White Red m Germ re cram Blue EM v
28. splay 1 and the original set parameter will be saved 20 ELECTRIC BICYCLE METER KT LCD3 Product User Manual After finishing P2 parameter setting hold p button SW shortly to save the current set values and enter P3 parameter setting interface Please Note when P2 parameter 15 set to be 0 for the built in clutch motor there will be the following defects when the internal motor rotors stop or the internal rotor speed 15 lower than the outer rotor speed then the speed displayed on the meter 1s inaccurate O P3 Power Assist Control Mode Enter P3 parameter setting interface after P2 parameter setting is finished and P3 parameter column flashes o P3 parameter setting interface RN 15 for power assist control mode when P3 parameter setting isl power assist control mode is gear 5 of imitation torque control mode when P3 parameter setting is 0 power assist control mode 15 gear 5 of speed control mode P3 parameter needs to be determined according to the distributed function of the controller its setting range 1s or hold button UP shortly WE button DOWN for selection parameter setting method 1s the same to that of P2 O P4 Handlebar Startup Mode Enter P4 parameter setting interface after P3 parameter setting is finished P4 parameter column flashes P428 21 ELECTRIC BICYCLE METER KT LCD3 Product User Manual
29. ting interface 24 ELECTRIC BICYCLE METER KT LCD3 Product User Manual O C3 Power Assist Ratio Gear Initialization Mode Enter C3 parameter setting interface after C2 parameter setting is finished C3 parameter column flashes C3 parameter setting interface C3 1s initialization mode of power assist ratio gear The setting range 15 0 6 gear hold E button UP or button DOWN for selection When C3 setting 15 0 the meter is switched on and the power assist ratio is at gear 0 When the setting is 1 the meter is powered on and the power assist ratio 1s at gear 1 and so on After finishing C3 parameter setting hold p button SW shortly to save the current set values and enter C4 parameter setting interface C4 Handlebar Function Setting Mode Enter C4 parameter setting interface after C3 parameter setting 1s finished C4 parameter column flashes C4 parameter setting interface n C4 is handlebar function setting mode The setting range is 0 4 hold Mesi button u UP or WE button DOWN for selection C4 parameter definition table 25 ELECTRIC BICYCLE METER KT LCD3 Product User Manual Handlebar startup mode P420 Handlebar startup mode P4 1 zero startup handlebar Non zero startup handlebar Zero startup handlebar speed limit is Before power assist the handlebar speed limit 15 6Km h 6Km h after power assist handlebar 1s full speed Zero sta
30. turned off 2432 ELECTRIC BICYCLE METER KT LCD3 Product User Manual When the controller is power off due to voltage shortage the power display frame flashes indicating the vehicle has been in voltage shortage and waiting for shutdown currently LM Battery capacity indicator O Motor Operating Power and Temperature Under the riding status of vehicle the real time running and output power can be known via the meter displays MOTOR F W Motor operating power The operating temperature of the motor shows there should be a temperature sensor installed in the Inner motor to output the temperature for signal detection simultaneously Y MOTOR 14 ELECTRIC BICYCLE METER KT LCD3 Product User Manual Motor operating temperature When the motor operating temperature exceeds the warning value temperature display flashes to alarm meanwhile the motor controller will offer the appropriate protection to motor O Environment Temperature After startup the environment temperature for using meter will be displayed in environment temperature display column VC VC Environment temperature display The temperature display value may be in deviation shortly after boot up and the display value will be gradually approaching the environment temperature within 10 minutes after boot up O Single Data
31. ty indicator 4744 Real time battery voltage VOL display Motor power and temperature MOTOR display Brake display Turn on backlighting and lights D gt Environment temperature or display Data clearing Fault code display User parameter setting ELECTRIC BICYCLE METER KT LCD3 Product User Manual lt 24 36 48 supply voltage can automatic identification and be compatible Display Content The display content is shown as follow Battery Capacity Backlights and Vehicle Speed 6Km H Power Assist Indicator Headlights Status Brake Status Display Running counter Push Function O 5 ASSISI o i us MPH demde P Ot Ci Ci LA Km H MOTOR F W C Ct 2 nono nv WO Zh 051 CRUISE VOL 604 45347 2 Power Assist Ratio Gear Trip Distance or Real time Environment Temperature Motor Operation Power and Cruise Function Battery Voltage Motor Running Temperature Button Definition KT LCD3 meter adopts the structural form with part design between the main part and operating buttons There are three keys on the operating panel of button box which are icons of button alt text UP button alt text SW and alt text DOWN Button Box and Operating Panel Normal Operation On Off Hold button SW long the meter 15 powered on and into normal operation and it provides the controller with power supply Under normal op

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