KING-METER
USERS GUIDE
KM5S –LCD
USERS GUIDE
USERS GUIDE
中文 1-31 页 English P32-64
1
目录
关于用户手册 ················································································ 1
外观尺寸 ························································································ 2
主要材质及颜色 ···································································· 2
功能概述及按钮定义 ···································································· 3
功能概述 ················································································ 3
正常显示区域 ········································································ 3
按钮定义 ················································································ 4
用户注意事项 ················································································ 4
安装说明 ························································································ 5
正常操作 ························································································ 5
开机/关机 ··············································································· 5
仪表显示界面 ········································································ 5
助力推行 ················································································ 6
开启背光 ················································································ 6
助力档位选择 ········································································ 7
电量显示 ················································································ 7
功率显示 ················································································ 8
错误代码显示 ········································································ 8
用户设置 ························································································ 9
开机前准备 ············································································ 9
常规设置 ················································································ 9
单次里程清零和单次骑行时间
··································· 9
背光亮度
······································································ 10
仪表密码设置 ······································································ 10
2
密码使能
······································································ 11
密码修改
······································································ 11
使用参数设置 ······································································ 11
轮径设置
······································································ 12
限速设置
······································································ 12
个性化设置 ·················································································· 13
个性化设置密码输入·························································· 13
电池电量设置 ······································································ 14
助力参数设置 ······································································ 15
助力档位选择
······························································ 15
助力比例数值设置
······················································ 16
限流数值设置 ······································································ 16
助力传感器设置 ·································································· 17
助力传感器方向设置
·················································· 17
助力传感器灵敏度设置
············································· 17
助力传感器比例参数设置
········································· 18
速度传感器设置 ·································································· 18
转把功能设置 ······································································ 19
转把助力推行使能设置
············································· 19
转把档位使能设置
······················································ 19
系统设置 ·············································································· 20
电量延时时间设置
······················································ 20
最大限速设置
······························································ 20
按键助力推行使能设置 ····················································· 21
助力推行速度设置
····················································· 21
缓启动设置
·································································· 22
退出设置 ·············································································· 22
3
恢复默认设置 ·············································································· 23
常见问题及解答 ·········································································· 24
关于仪表条形码 ·········································································· 24
质量承诺与包修范围 ·································································· 25
引线连接图 ·················································································· 26
版本变更 ······················································································ 27
附表 1：错误代码定义表 ··························································· 28
附表 2：密码速查表 ··································································· 28
附表 3：个性化设置对应表······················································· 29
附表 4：助力档位比例默认值表 ·············································· 30
附表 5：显示符号定义速查表 ·················································· 31
1
关于用户手册
尊敬的用户，为了更好的操作您的电动车，请在使用前仔
细阅读 KM5S 仪表的说明书。我们将以最简洁的语言告诉您仪
表使用的每一个环节，包括从硬件的安装、设置到仪表的正常
使用。同时帮助您解决有可能出现的困惑与障碍。
2
外观尺寸
主要材质及颜色
KM5S 产品采用 PC 材料。外壳的材料允许在-20℃到 60℃
温度中正常使用，并且能保证良好的机械性能。
实物图及尺寸图（单位：mm）
3
功能概述及按钮定义
功能概述
KM5S 为您提供了多种功能及显示，以满足您的骑行需要。
KM5S 显示的内容有：
◆电量显示，
◆电机功率显示，
◆速度显示（包括实时速度显示，最大速度显示及平均速
度显示），
◆里程显示（包括单次里程显示和总里程显示），
◆单次骑行时间显示，
◆助力推行显示，
◆背光开启，
◆错误代码显示,
◆多项设置参数。如：轮径、限速、电池电量设定、多种
助力档位选择和助力参数设定、开机密码设定、控制器限流设
定等等。
◆默认参数修复功能。
正常显示区域
KM5S 正常显示界面
4
按钮定义
KM5S 仪表上有三个按钮。包括开机/模式键、加键和减键。
在后续的说明中， 按键用文字“MODE”替代。 按键
用文字“UP”替代， 按键用文字“DOWN”替代。
用户注意事项
在使用过程中注意使用安全，不要在通电情况下插拔仪表。
仪表尽量避免磕碰。
仪表使用贴膜为防水贴膜，请不要撕开，以免影响
仪表防水性能。
关于仪表的后台参数设置，请不要随意更改，否则无
法保证正常骑行。
当仪表不能正常使用时应尽快送修。
5
安装说明
将仪表固定在车把上，调整好合适的视角。在电动自行车
断电的情况下，将仪表的接插件与控制器对应的接插件对插即
可完成安装。
正常操作
开机/关机
长按 MODE 键后，仪表开始工作，并提供控制器工作电
源。在开机状态下，长按 MODE 键，可以关闭电动车电源。
在关机状态下，仪表不再使用电池的电源，仪表的漏电流小于
1uA。
如果超过 10 分钟不使用电动车，仪表会自动关机。
仪表显示界面
仪表开机后，仪表默认显示实时速度。短按 MODE 键切
换显示信息。依次显示为：实时速度（单位：Km/h）→本次
骑行的平均速度（单位：Km/h）→本次骑行的最高速度（单
位：Km/h）→ 累计里程（单位：Km）→ 单次里程（单位：Km）
→单次骑行时间→实时速度。
6
实时速度显示 平均速度显示 最大速度显示
单次骑行时间显示 单次里程显示 累计里程显示
助力推行
按住 DOWN 不放，2 秒钟后，电动车进入电助力推行状
态。电动车以每小时 6 公里的速度匀速行驶。屏幕显示 PUS。
助力推行显示界面
助力推行功能只能在使用者推行电动车时使用，请勿
在骑行状态使用。
开启背光
长按 UP 延时 2 秒钟，仪表背光开启，同时通知控制器开
前灯。当外部光线不足或者夜晚行车的时候，可以开启 LCD
7
背光。再次长按 UP 延时 2 秒钟，可以关闭 LCD 背光。
开启背光显示界面
助力档位选择
短按 UP 或 DOWN 按键，切换电动车助力档位，改变电机
输出功率，仪表默认输出功率范围是 1—5 档，1 档是最低功
率，5 档是最高功率。仪表开机默认档位是 1 档。
挡位切换显示界面
电量显示
当电池电压高时五段 LCD 均亮，当电池欠压时电池外边
框以 1HZ 的频率闪烁，表示电池已严重欠压，需要马上充电。
电池欠压闪烁
电池电量显示
8
功率显示
通过仪表可以知道电机输出功率。显示方式如下图所示。
电机输出功率显示界面
错误代码显示
当电动车电控系统出现故障时，仪表将自动显示错误代码，
详细错误代码的定义参见附表 1。
错误代码显示界面
只有故障被排除时才能退出故障显示界面，出现故
障后电动车将不能继续行驶。
9
用户设置
开机前准备
确保接插件对接牢靠，并打开电动车电源。
常规设置
长按 MODE 键即可开机。在开机状态下，同时按住 UP 和
DOWN 键 2 秒钟后，仪表进入常规设置状态。
单次里程和单次骑行时间清零
TC 代表单次里程清零，设置参数可选 N/Y。默认 N 表示
单次骑行里程不清零。屏幕下方提示 SET1，表示设置项 1。
通过 UP/DOWN可选择 Y/N，Y表示单次骑行里程需要清零。
N 表示单次骑行里程不需要清零。短按 MODE 确认，进入背
光亮度界面。
单次里程和单次骑行时间是同时清零的。
单次里程设置界面
10
背光亮度
BL 代表背光。可设置参数 1、2、3，表示背光亮度，1
是最暗，2 是标准亮度，3 是最亮。仪表出厂的默认数值是
1。屏幕下方提示 SET2，表示设置项 2。
通过 UP、DOWN，可改变背光亮度参数。长按 MODE
确认，退出常规设置状态。
背光设置界面
仪表密码设置
同时按住 UP+DOWN 2 秒钟后抬起，进入常规设置状态。
然后同时按住UP+MODE 2秒钟，可进入开机密码设置状态。
屏幕下方提示“-P-”，代表密码。“2”表示仪表的第二个密
码。短按 MODE 移位，通过 UP/DOWN 加/减输入数值。4
位密码输入完后，短按 MODE 确认。密码正确则进入开机密
码使能设置界面，否则停留在密码输入状态。输入密码：1234。
密码输入设置界面
11
密码使能
通过 UP/DOWN 选择 Y/N,Y 表示需要开机密码，N 表示不
需要开机密码。短按 MODE 确认，进入仪表密码修改界面。
仪表出厂的默认是 N。
密码使能确认界面
密码修改
PSD 表示密码。短按 MODE 移位，通过 UP/DOWN 加/
减输入数值。修改完后，长按 MODE 保存确认，退出设置界
面。
密码修改界面
使用参数设置
同时按住 UP+DOWN 2 秒钟后抬起，进入常规设置状态。
然后同时按住 MODE+DOWN 2 秒钟，要求输入密码，方可
更改仪表参数。仪表出厂默认密码是：0512。
12
输入设置密码界面
短按 MODE 移位，通过 UP/DOWN 加/减输入数值。4
位密码输入完后，短按 MODE 确认。密码正确则进入轮径设
置界面，否则停留在密码输入状态。
轮径设置
LD 表示轮径。可设置值有：16、18、20、22、24、26 、
700C，28，29。通过 UP 和 DOWN 选择车辆对应的轮径，以
确保仪表速度显示和里程显示的准确性。仪表出厂默认轮径数
值是 26inch。
轮径设置界面
限速设置
仪表出厂的最高骑行速度默认值是 25Km/h。更改此数值
可以设定电动车的最高骑行速度，当电动超过设定值时，控制
器会停止对电机的供电，以保护骑行者的安全行驶。
13
LS 表示限速。最高速度设定值的可选择范围是 12Km/h
到 40Km/h 之间。可以通过 UP/DOWN 进行加/减设置。长按
MODE 确认，并退出设置状态。
限速设置密码界面
个性化设置
为了提高此款产品的个性化使用，我们特别加入了此项设
置。能够针对使用者的不同要求对其进行设置。在此项设置中
包括仪表的电池电量设置，助力档位设置，限流设置，助力传
感器设置，速度传感器设置和系统设置。共六大项设置。详细
设置项参见附表 2。
个性化设置密码输入
同时按住 UP+DOWN 2 秒钟后抬起，进入常规设置状态。
再次同时按住 UP+DOWN，则进入个性化设置状态。
屏幕下方提示“-P-”，代表密码。“3”表示仪表的第三个密
码。短按 MODE 移位，通过 UP/DOWN 加/减输入数值。4
位密码输入完后，短按 MODE 确认。密码正确，则进入仪表
设置项选择界面，否则停留在密码输入状态。后台参数设置密
码为：2962。
14
后台输入密码界面
通过 UP、DOWN 选择需要设置的内容，短按 MODE 进
入对应的设置界面。
设置选择界面
电池电量设置
VOL 代表电压。要求 1 到 5 段电压值逐个输入。以第一个
电量值为例：屏幕中“1”表示第一个电压，“31.5”为第一个
电量值。通过 UP/DOWN 进行加/减改变数值。短按 MODE
确认，并进入下一个电量值的设置。5 个电量值设置完成后长
按 MODE 确认，退回仪表设置项选择界面。
电池电量设置界面
15
助力参数设置
助力档位选择
在助力档位选择中提供了 8 中模式：0-3、1-3、0-5、1-5、
0-7、1-7、0-9、1-9。通过 UP/DOWN 切换，短按 MODE 确认，
进入对应的助力比例数值设置界面。
助力档位选择界面
0-3 或 1-3：
PAS1 同时显示 ECO，
PAS2 同时显示 TOUR，
PAS3 同时显示 BOOST。
0-5 或 1-5：
PAS1 同时显示 ECO，
PAS2 同时显示 CITY，
PAS3 同时显示 TOUR，
PAS4 同时显 POWER，
PAS5 同时显示 BOOST。
0-7 或 1-7：
PAS1 同时显示 ECO，
PAS2 同时显示 ECO，
PAS3 同时显示 CITY，
PAS4 同时显示 CITY，
PAS5 同时显示 TOUR，
PAS6 同时显 POWER，
PAS7 同时显示 BOOST。
0-9 或 1-9：
PAS1/2 对应 ECO，
PAS3/4 对应 CITY，
PAS5/6 对应 TOUR，
PAS7/8 对应 POWER，
PAS9 对应 BOOST。
16
助力比例数值设置
通过设置助力比例数值，可以调整每档的速度大小。以满
足不同骑行者的需求。
以一档为例，“45-55%”为一档助力比例范围，“50%”为
一档的默认值，是可设定数值。通过 UP/DOWN 进行加/减设
置。短按 MODE 确认，进入下一个助力比例设置。最多可以
设定 9 个。设置结束后，长按 MODE 确认，退回仪表设置项
选择界面。短按 MODE 确认，返回助力档位选择。详细参考
附表 4。
助力比例数值设置界面
限流数值设置
CUR 代表限流。限流可设置范围为 7.0-22.0A。通过
UP/DOWN 改变控制器最大电流值。长按 MODE 确认，退回
仪表设置项选择界面。仪表出厂默认值为 15A。
根据控制器的硬件不同，控制器有可能无法达到设
定的 22A。
17
限流数值设置界面
助力传感器设置
助力传感器方向设置
PAS 代表助力传感器，屏幕上面显示 run-F/b。run-F 代表
正向，run-b 代表反向。通过 UP/DOWN 切换，短按 MODE
确认，进入助力传感器灵敏度设置。仪表出厂默认值为正向。
助力传感器方向设置界面
助力传感器灵敏度设置
屏幕下面显示 PAS，代表助力传感器，屏幕上面显示 SCN，
代表助力传感器的灵敏度。设置范围为 2-9。其中 2 表示灵敏
度最高，9 表示灵敏度最低。通过 UP/DOWN 进行加/减设置，
短按 MODE 确认，并进入助力传感器磁钢数设置界面。仪表
出厂默认值为 2。
18
助力传感器灵敏度设置界面
助力传感器比例参数设置
N-代表助力传感器比例参数。通过 UP/DOWN 可以选择
助力传感器参数值。数值越大代表助力感觉越明显。
助力传感器比例参数设置界面
速度传感器设置
SPS 代表速度传感器。可以根据电动车车轮上所装的磁头
数进行设置，设置范围 1-9。通过短按 UP/DOWN 实现修改。
长按 MODE 确认，退回仪表设置项选择界面。仪表出厂默认
值为 1。
19
速度传感器磁钢选择界面
转把功能设置
转把助力推行使能设置
HL 表示转把助力推行，HL:N 表示转把没有助力推行功能，
HL:Y 表示转把有助力推行功能，即当转动转把的时候，仪表进
入助力推行模式。通过 UP/DOWN可以切换 Y/N。短按 MODE
确认。若选择 N 则进入转把矢量使能设置界面。否则返回仪
表设置项选择界面。仪表出厂默认值为 N。
转把助力推行设置界面
转把档位使能设置
HND 表示转把。HF：Y 表示转把分档，HF：N 表示转把不
分档。如果选择转把分档，则表示在转动转把时，速度最大值
只能达到仪表上显示档位对应的相应速度；如果选择转把不分
档，则表示在转动转把时，不受仪表上显示的档位限制，可达
到额定的最大速度。
20
通过 UP/DOWN 可以设置 Y/N。长按 MODE 确认，返
回仪表设置项选择界面。短按 MODE 确认，返回转把助力推
行使能设置界面。
转把档位使能设置界面
系统设置
电量延时时间设置
DLY 代表电量延时时间。通过 UP/DOWN 可以选择电量
延时时间 3/6/12s。短按 MODE 确认，并进入最大限速设置界
面。仪表出厂默认 3s。
电量延时时间选择界面
最大限速设置
MAX SPD 代表最大速度。通过 UP/DOWN 可以设置最大
限速，设置范围 25-40 Km/h。短按 MODE 确认，并进入按键
21
助力推行使能设置界面。仪表出厂默认 40Km/h。
此设置参数是仪表厂家规定之上限值。
最大限制速度设置界面
按键助力推行使能设置
PUS 代表按键推行使能
。
通过 UP/DOWN 可以切换 Y/N。
短按 MODE 确认。Y 代表使能，N 代表不使能。短按 MODE
确认，并进入助力推行速度设置。仪表出厂默认值为 Y。
按键助力推行使能设置界面
助力推行速度设置
通过设置助力推行数值，可以调整推行速度大小。以满足
不同骑行者的需求。通过 UP/DOWN 可以选择。可调范围为
“20%-35%” 短按 MODE 确认，并进入缓启动设置界面。仪
表出厂默认 25%。
22
助力推行速度设置界面
缓启动设置
SSP 代表缓启动。可调节范围为 1-4,4 代表最缓慢。通过
UP/DOWN 可以选择。长按 MODE 确认，并退出设置。仪表
出厂默认 1.
缓启动设置界面
退出设置
在设定状态下，短按 MODE（2 秒以内），是确认输入保
存当前设置。长时间按 MODE（2 秒以上），是确认保存当前
设置，并退出当前设置状态。长按 DOWN(2 秒以上),为取消
当前操作，退出设置，不保存当前设置数据。
在一分钟内没进行任何操作，仪表自动退出设置状态。
23
恢复默认设置
DEF 代表恢复默认参数。同时按住 UP+MODE 2 秒钟以
上，可进入恢复默认参数。通过 UP、DOWN 来切换 Y 或 N。
N 表示不需要恢复默认参数。长按 MODE 确认。如果选择 Y，
需要输入一个密码，才能恢复默认参数。
恢复默认设置界面
输入密码：0368。短按 MODE 移位，通过 UP/DOWN 加
/减输入数值。4 位密码输入完后，短按 MODE 确认。仪表显
示如下图所示，当仪表显示 DEF:00 时表示恢复默认成功，自
动退出。
在恢复默认中，电池电量值、总里程和单次里程是不
恢复的。开机密码在恢复之列。
输入恢复密码界面
恢复开始 恢复完成
24
常见问题及解答
问：为什么不能开机？
答：检查电池是否打开电源或外漏引线是否断裂。
问：仪表显示故障代码应如何处理？
答：及时到维修电动车的维修点修理。
关于仪表条形码
仪表条形码分为两行。第一行：KM5S000001。KM5S 代表
产品名称，000001 为产品序列号。第二行：12 06 3 101801。
其中 1206 代表仪表出厂日期为 2012 年第 6 周，3 代表仪表的
电压参数（2-24V，3-36V，4-48V）,1 代表样品，01 代表仪表
硬件版本号，801 代表仪表软件版本号。
25
质量承诺与包修范围
一、保修信息：
1、凡属正常使用情况下由于产品本身质量问题引起的故
障，在保修期内本公司将负责给予有限保修。
2、产品的保修期自仪表出厂 24 个月内。
二、以下情况不属于保修范围
1、外壳被打开
2、接插件被破坏
3、仪表出厂后，外壳划伤或外壳破损
4、仪表引出线划伤或断裂
5、由于不可抗拒（如火灾、地震等）或自然灾害（如雷
击等）所造成的故障或损坏
6、产品超出保修期
26
引线连接图
标配接插件线序
与控制器连接端 仪表出线端 对接线端
表：标配接插件线序表
标配线序
标配线颜色
功能
1
红色（VCC）
仪表电源线
2
蓝色(K)
控制器的电源控制线
3
黑色(GND)
仪表地线
4
绿色(RX)
仪表的数据接收线
5
黄色(TX)
仪表的数据发送线
注：部分产品的引线采用防水接插件，用户无法看到线束内
的引线颜色。
27
版本变更
本仪表的使用说明书是天津嘉特机电技术有限公司通用
软件版本（V1.0 版本）的操作说明书。部分整车上使用的仪
表软件版本有可能与本说明书略有差异，均以实际使用版本为
准。
28
附表 1：错误代码定义表
错误代码
定义
21
电流异常
22
转把异常
23
电机缺相
24
电机霍尔信号异常
25
刹车异常
30
通讯异常
附表 2：密码速查表
序
号
屏幕显示
密码
说明
1 0512
使用参数设置密码
（固定）
2
出厂默认
1234
开机密码（可修改）
3 2962
后台参数设置密码
（固定）
4 0368
恢复设置密码（固
定）
29
附表 3：个性化设置对应表
序号
设置项
屏幕显示
设置内容
1
电池电量设置
5 个电量值设置
2
助力档位设置
助力档位选择
助力档位比例
3
限流设置
限制电流大小
4
助力传感器设
置
助力传感器方向
助力传感器灵敏度
助力传感器磁钢数
5
速度传感器设
置
速度传感器磁钢数
6
转把功能
转把分档使能设置
转把助力推行使能设置
30
续表 3：
附表 4：助力档位比例默认值表
档位
档
位选项
1 2 3 4 5 6 7 8 9
0-3/ 1-3
50%
74%
92%
— — — — —
—
0-5/ 1-5
50%
61%
73%
85%
96%
— — —
—
0-7/ 1-7
40%
50%
60%
70%
80%
90%
96%
—
—
0-9/ 1-9
25%
34%
43%
52%
61%
70%
79%
88%
96%
序号
设置项
屏幕显示
设置内容
7
系统设置
电量延时时间
最大速度设置
31
附表 5：显示符号定义速查表
序号
符号
含义
1
设置
2
/
密码
3 电量延时
4 恢复默认
5
单次里程和单次骑行时间
清零
6
背光
7 转把分档
8 转把助力推行
9
限速
10
轮径
11
问号
12
反向
13
正向
14
是
15
否
1
Contents
About the User Manual ··················································32
Appearance and Size ·····················································33
Material and Color ··················································· 33
Function Summary and Button Definition ····················34
Function Summary ·················································· 34
Monitor Area ···························································· 34
Button Definition ····················································· 35
Operation Cautions ························································35
Installation Instruction ···················································36
Normal Operation ···························································36
Power On/Off ··························································· 36
Display Interface ····················································· 36
Push Cruise Control················································ 37
Turn on/off Backlight ·············································· 38
PAS Level Selection ················································ 38
Battery Indicator ······················································ 38
Motor Power Monitor ·············································· 39
Error Code Information ··········································· 39
User Setting ····································································40
Preparation before Starting ···································· 40
General Setting························································ 40
Trip Distance and Trip Time Clearance ···········40
Backlight Contrast ···········································41
Power-on Password Enable/Disable ······················ 41
Power-on Password Enable ·····························42
2
Power-on Password Modify ·····························43
Normal Parameter Setting ······································ 43
Wheel Diameter Setting ···································43
Speed-limit Setting ···········································44
Personalized Parameter Setting ····································45
System Parameter Setting ······································ 45
Battery Power Bar Setting ······································ 46
Pedal Assistant Level Setting ································· 46
Pedal Assistant Level Select ···························46
PAS Ratio Modify··············································48
Controller Over-Current Cut Setting ······················ 48
Pedal Assistant Sensor Setting ······························ 49
The Direction of Pedal Assistant Sensor Setting
··········································································49
The Sensitivity of PAS Setting ·························49
Proporation parameter Setting of PAS ············50
Speed Sensor Selection·········································· 50
Throttle Definition ··················································· 51
Throttle Enable/Disable ····································51
Throttle Level Enable/Disable ··························51
System Setting ························································ 52
Delay time setting of battery power ················52
Max speed limited ············································52
Button PAS Setting ················································· 52
PAS Speed Setting ···········································52
Slowly Start up Setting ····································52
3
Exit setting ······································································55
Recover default setting ··················································55
FAQ ·················································································57
Barcode ··········································································57
Quality assurance and warranty scope ························58
Connection layout ··························································59
Version changes ·····························································60
Attached list 1：Error code definition ···························61
Attached list 2： Password table ··································61
Attached list 3：Personality Parameter setting ············62
Attached list 4：Power assist table ······························63
Attached list 5：symbol definition ································64
32
About the User Manual
Dear users,
To ensure better performance of your e-bike, please
read through the KM5S product introduction carefully before
using. We will use the most concise words to inform you of
all the details（including the hardware installation, setting
and normal operation use of the display）when using our
display. Meanwhile, the introduction will also help you to
solve the possible confusion and malfunctions.
33
Appearance and Size
Material and Color
KM5S products are made of PC. Under the temperature
of -20 to 60℃, the shell material can ensure normal usage
and good mechanical performance.
Real product and dimension figure (unit: mm)
34
Function Summary and Button Definition
Function Summary
KM5S provides a wide range of functions and indicators
to fit the users’ needs. The indicated contents are as
following.
◆Battery Indicator
◆Motor Power Ratio
◆Speed Display (including running speed, max speed
and average speed)
◆Trip distance and total distance
◆Trip time display of single
◆Cruise control
◆Headlight On/Off
◆Error Code Indicator
◆Various Parameters Setting (like wheel size, speed
-limited, battery level bar, PAS level, controller limited
current, max speed, password enable, and so on.)
◆Recover Default Setting
Monitor Area
Monitor Area
35
Button Definition
KM5S has three buttons. They are . In
the following introduction, is named as “MODE”.
is named as “UP” and is named as “DOWN”.
Operation Cautions
Be care of the safety use. Don’t attempt to release the
connector when battery is on power.
Try to avoid hitting.
Don’t split the waterproof sticker to avoid affecting
the waterproof performance.
Don’t modify system parameters to avoid
parameters disorder.
Make the display repaired when error code
appears.
36
Installation Instruction
Fix the display onto the handlebar and adjust to an
appropriate visual angle. Tighten all the connectors.
Normal Operation
Power On/Off
Hold Mode button for 2 seconds then the display will
power on, and the display will the power on the controller.
With display on, hold MODE to turn off power supply of the
e-bike. With the display off, the display and controller shut
down. The leakage current is less than 1 uA.
When parking e-bike for more than 10 minutes,
the display shut down automatically.
Display Interface
After starting up the display, default show is running
speed. Press MODE to change the indicated information in
sequence as below: Running Speed (Km/h) → Average
Speed (Km/h) → Max Speed (Km/h) → Trip Distance (km)
→ Total Distance (km) → Travel Time → Running Speed
(Km/h).
37
Running Speed Average Speed Max Speed
Trip Time Trip Distance Total Distance
Push Cruise Control
Hold DOWN for 2 seconds to enter the mode of power
assistant walk. The e-bike will go on at a uniform speed of 6
Km/h. PUS shows on the screen.
Push Cruise Control
“Push Cruise Control” function can only be used
as pushing the e-bike by hands. Please don’t use
this function when riding.
38
Turn on/off Backlight
Hold UP 2 seconds to turn on the backlight of the
display, the headlight will be power on at the same time.
Hold UP for 2 seconds again, backlight turned off.
Turn On/Off Backlight
PAS Level Selection
Hold UP or DOWN to change the output power of the
motor. The power ranges from level 1 to level 5. Level 1 is
the minimum power. Level 5 is the maximum power. The
default value is level 1.
PAS Level
Battery Indicator
The 5 battery bars represent the capacity of the battery.
When the battery is in low voltage, battery frame will flash to
notice that the battery needs to be recharged immediately.
39
Low Voltage Flash
Battery Indicator
Motor Power Monitor
Motor power showed as below:
Motor Output Power
Error Code Information
If there is something wrong with the electronic control
system, the error code will appear automatically. Here is the
detail information of the error code in Table 1 attached.
Error Code
Make the display repaired when error code
appears.
40
User Setting
Preparation before Starting
Make sure all connectors tightened and the cables
without damage.
General Setting
Press MODE button to start the display, then hold both
UP and DOWN for 2 seconds to enter the setting menu.
Trip Distance and Trip Time Clearance
TC means trip distance clearance. Press UP or DOWN
to choose yes or no to clear the trip distance.
Trip distance and trip time will be cleared at the
same time.
Trip Distance Clearance
41
Backlight Contrast
BL means backlight. Level 1 is the low brightness. Level
2 is the middle brightness. Level 3 is high brightness. The
default level is 1. Bottom of the screen prompts SET2.
Press UP or DOWN to modify the backlight brightness.
Hold MODE to confirm the modification and exit the general
setting.
Backlight Brightness
Pressing UP and DOWN can change the backlight
lighting. Long press MODE is to confirm and quit Setting
Mode.
Backlight setting Interface
Power-on Password Enable/Disable
The character “-P-” on the bottom of the screen means
the page of password. Hold UP and DOWN both up to 2
seconds enter normal setting , while hold both UP and
42
MODE 2 seconds again will enter power-on password
enable/disable page.
Press UP/DOWN to change the number .Press MODE
to select digit one by one. After 4-digite of the correct
password entered, press MODE to confirm then select
password enable or disable.
Password Entering Page
Power-on Password Enable
Press UP/DOWN to select Y or N, and press MODE to
confirm. Power-on Password default disable.
y = Power-on Password Enable
n = Power-on Password Disable
Password Disable Page
43
Power-on Password Modify
UP and DOWN is to change the number, and MODE is
to select digit one by one, finally to hold MODE to confirm
the modification.
Password Modify Page
Normal Parameter Setting
Hold both UP and DOWN for 2 seconds to enter User
setting .But hold both DOWN and MODE over 2 seconds is
to enter password 0512 to modify the wheel size.
Password Inputting Page
Wheel Diameter Setting
44
Press UP and DOWN to select the correct value to
match the wheel diameter. Selectable values include: 16, 18,
20, 22, 24, 26, 700C, 28, 29. Default diameter is 26 inch.
Ld means Wheel Diameter.
Wheel Diameter Setting Page
Speed-limit Setting
When the running speed is faster than MAX SPEED,
the controller will cut off the motor power. MAX SPEED
default setting is 25Km/h. LS means Limit Speed 12Km/h to
40Km/h is selectable. Press UP/DOWN to select the favorite
value, then hold MODE over 2 seconds to confirm and quit
the setting mode.
Limit Speed Setting Page
45
Personalized Parameter Setting
Personalized Parameter Setting can match variety
requirements in use. Settings items are : Battery Power Bar
Setting, Pedal assistant level Setting, Over-current Cut ,
Pedal Assistant Sensor Setting, Speed Sensor Setting and
Delay Time Setting. For the details, please see the
Attached List 2.
System Parameter Setting
Hold UP and DOWN both over 2 seconds to enter
normal setting, while hold UP and DOWN both again is to
set up System Parameter, password 2962 must be entered.
MODE is to confirm and enter System Parameter
Setting page, you can select the option which you want.
System Parameter Password Input
Press UP/DOWN to select, and press MODE to enter
the corresponding setting page.
46
Option Select Page
Battery Power Bar Setting
Each bar represents a voltage value. 5 voltage values
MUST BE entered one by one.
Press MODE to confirm and UP/DOWN to select the
value.
VOL = voltage
Battery Power Bar Setting
Pedal Assistant Level Setting
Pedal Assistant Level Select
47
In Pedal Assistant Level Setting , there are 8 modes to
select ：0-3, 1-3, 0-5, 1-5, 0-7, 1-7, 0-9, 1-9. Press
UP/DOWN to select the mode, and press MODE to confirm,
then change the ratio of each PAS level.
PAS Mode Select Page
0-3 or 1-3:
PAS1 also shows ECO,
PAS2 also shows TOUR,
PAS3 also shows BOOST.
0-5 or 1-5:
PAS1 also shows ECO,
PAS2 also shows CITY,
PAS3 also shows TOUR,
PAS4 also shows POWER,
PAS5 also shows BOOST.
0-7 or 1-7:
PAS1 also shows ECO,
PAS2 also shows ECO,
PAS3 also shows CITY,
PAS4 also shows CITY,
PAS5 also shows TOUR,
PAS6 also shows POWER,
PAS7 also shows BOOST.
0-9 or 1-9:
PAS1 or 2 also shows ECO,
PAS3 or 4 also shows CITY,
PAS5 or 6 also shows TOUR,
PAS7 or 8 also shows
POWER,
PAS9 also shows BOOST.
48
PAS Ratio Modify
To modify the value of PAS ratio will meet the
different requirements.
Take the 1 level for example, “45-55 percent” is the
range value, bottom value can be modified, and the default
is 50 percent. MODE is used to confirm and turn to the next
PAS ratio setting. After all PAS ratio inputted, please hold
MODE over 2 seconds to confirm the modification and turn
to controller Over-current Cut setting (MODE back to pedal
assistant level select page). For the details, please see
Attached List 4.
PAS Ratio Page
Controller Over-Current Cut Setting
CUR means current. CUR value can be changed from
7.0A to 22.0A. Press UP/DOWN is to change the value of
the current, and hold MODE to confirm the setting and turn
to PAS sensor setting.15A is the default value of controller
over-current cut.
According to the different controller, the value
might not be able to be 22A.
49
CUR Setting Page
Pedal Assistant Sensor Setting
The Direction of Pedal Assistant Sensor Setting
PAS means Pedal Assistant System. “run-F” means
forward direction, while “run-b” means back direction. Press
UP/DOWN to select F or b, and press MODE to confirm and
turn to PAS sensitivity setting. The default direction is
forward.
Direction of PAS Sensor Setting
The Sensitivity of PAS Setting
SCN means the sensitivity of PAS, and 2 to 9 can be
selected.2 is strongest, 9 is the weakest. UP/DOWN is to
select sensitivity value, and MODE is to confirm selection
and turn to magnet disk setting. SCN default value is 2.
50
The Sensitivity of PAS Setting
Proportion parameters Setting Of PAS
N means the proportion parameter of PAS. Press
UP/DOWN to select the parameter, the more power, the
more PAS feeling.
Proportion parameter of PAS
Speed Sensor Selection
SPS means Speed Sensor. Press UP/DOWN to select
the quantity of magnet head (the range is from 1 to 9), and
press MODE to confirm and turn to Throttle Definition page.
SPS default value is 1.
Speed Sensor Selection
51
Throttle Definition
Throttle Enable/Disable
HL means throttle load, HL:N means function
disable ,HL:Y means function enable .
When HL=Y, throttle can control the function. Press
UP/DOWN to select Y, and press MODE to confirm the
selection, otherwise select N to turn to Throttle Vector
Enable Setting.
HL default value is N.
Throttle Enable/Disable Page
Throttle Level Enable/Disable
HND means throttle. HF：Y means throttle vector
enable , HF：N means throttle vector disable. When HF=Y,
turn throttle to change the running speed. Press UP/DOWN
to select Y or N, and hold MODE to confirm the selection
and quitting. Press MODE to confirm and turn to throttle
definition page.
52
Throttle Level Enable/Disable Page
System Setting
Delay time setting of battery power
DLY means delay time of battery power. Choose delay
time 3/6/12s through pressing UP/DOWN, then shortly press
MODE, and enter the max speed limited. The default time is
3s.
Delay time of battery power interface
Max speed limited
MAX SPD means max speed limited. Set the max
speed when pressing UP/DOWN from 25-40 Km/h. Long
time to press MODE, then exit setting. The default is
40Km/h.
53
The standard speed limit setting is based on this
setting, not more than this setting value.
This setting is the priority version
Interface of max speed limited setting
Button PAS Setting
PUS means pushing. Press UP/DOWN to choose Y/N.
Short press MODE, Y means enable, N means disable.
Short press MODE to confirm and enter into PAS speed
setting. The default value is Y.
Interface of PAS pushing
PAS Speed Setting
Through setting PAS to adjust push speed to meet
rider’s requirements.
54
The scope is “20%-35%”by pressing UP/DOWN,
short press MODE to enter into slowly start up. Default value
is 25%.
Interface of PAS speed setting
Slowly Start up Setting
SSP means slowly start up. The scope is 1-4, 4
means the slowest. Press UP/DOWN to choose. Long press
MODE to confirm and exit setting. The default value is 1.
Interface of slowly setting up
55
Exit setting
In the setting state, short press MODE (less than 2s) is
to confirm the input. Long press MODE (more than 2s) is for
saving the setting, then quit the setting state. Long press
DOWN (more than 2s), is to cancel the operating but not
saving setting data.
If there is not any operating in one minute, display will
exit the setting state.
Recover default setting
DEF means recover default. Both press UP+MODE to
enter recover default setting. Pressing UP, DOWN to
convert Y or N. N means do not need to recover default
setting; Y means entering into password setting. Otherwise,
display will exit. The default state is N.
Restore Default Setting Interface
Input password: 0368. Short press MODE, UP/DOWN
can increase or reduce the number. After inputting 4
56
passwords, short press MODE to confirm. The interface is
as below. When display showed DEF:00, it means
recovering default state, then exiting.
In the recovery default, battery power, ODO and
trip cannot be recovered, but starting up
password can be recovered.
Input recovery password interface
Start Complete
Recover default interface
57
FAQ
Q: Why the display is not able to start up?
A: Check the connector between display and controller.
Q: How to deal with the error code?
A: Fix it to the maintenance place immediately.
Barcode
The barcode is built up as follows:
KM5S=Name
000001=Sequence No.
12=Year of Production
06=Week of Production
3=Battery Voltage
1=sample（0=mass production）
01=hardware version No.
801=software version No.
58
Quality assurance and warranty scope
Ⅰ、Warranty
1 、 Any quality problems in normal case and during
guarantee period, our company will be responsible for the
warranty.
2、The warranty time is 24 months when display out of the
factory.
Ⅱ、Other items
The following items do not belong to our warranty scope.
1、It can not be demolished.
2、The damage is caused by wrong installation or operation.
3、Shell is broken when display is out of the factory.
4、Wire is broken.
5、The fault or damage is caused by the force majeure (such
as fire, earthquake, etc,) or natural disasters like lighting,
etc.
6、Beyond Warranty period.
59
Connection layout
Connector line sequence
Display-side Connector Display-side adapter Switch wiring
Line sequence table
Line sequence
Color
Function
1
Red（VCC）
+
2
Blue(K)
Lock
3
Black(GND)
-
4
Green(RX)
RX
5
Yellow(TX)
TX
Some wire use the water-proof connector, users
are not able to see the inside color.
60
Version changes
This operating instruction is a general-purpose version
（V1.0）. Some of the version for the display software will be
different from the specification, which should depend on the
actual use version.
61
Attached list 1：Error code definition
Error Code
Definition
21
Current Abnormality
22
Throttle Abnormality
23
Motor Abnormality
24
Motor Hall Signal Abnormality
25
Brake Abnormality
30
Communication Abnormality
Attached list 2： Password table
No
OSD
Password
Setting
1 0512
Using parameter setting
password(settled)
2
Default
1234
Starting up password
3 2962
Personality setting
password(settled)
4 0368
Recovery setting
password(settled)
62
Attached list 3：Personality Parameter setting
No
Setting
Display
Details
1
Battery power
Five battery power value
2
Assistance
Power assist level option
Assistance proportion
3
Current-limiting
Limit current
4
Power assist
sensor
PAS direction
PAS sensitivity
PAS magnet No
5
Speed sensor
Speed sensor magnet No
6
Throttle
Throttle-changing
Throttle
63
Continue list 3：
Attached list 4：Power assist table
Level
Level
Item
1 2 3 4 5 6 7 8 9
0-3/ 1-3
50%
74%
92%
— — — — —
—
0-5/ 1-5
50%
61%
73%
85%
96%
— — —
—
0-7/ 1-7
40%
50%
60%
70%
80%
90%
96%
—
—
0-9/ 1-9
25%
34%
43%
52%
61%
70%
79%
88%
96%
No
Items
Display
Setting
7
System setting
Time of battery power
delay
Max speed
64
Attached list 5：symbol definition
No
Symbol
Definition
1 Setting
2
/
Password
3
Power delayed
time
4
Recover default
5
Trip and time to
clear
6 Backlight
7
Throttle-changing
8
Throttle power
assist walk
9
Speed limit
10
Wheel diameter
11
Question mark
12
Backward
13
Forward
14 Yes
15 No
KING-METER
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