King-Meter KM3209 User manual

KING-METER TECHNOLOGY CO., LTD
No.15, Chenchang Road, Beichen Dist.Tianjin,300134,CN
Fax：[phone] Tel: [phone]
USERS GUIDE
KM3209 LED

KING-METER TECHNOLOGY CO., LT
No.15, Chenchang Road, Beichen Dist.Tianjin,300134,CN
Fax：[phone] Tel: [phone]
I
Content
About the UserGuide..................................................................................................................................1
Notes for Users............................................................................................................................................1
1. Appearance and Size.............................................................................................................................2
1.1 Materials and Color......................................................................................................................2
2. Function Summary and Button Definition...........................................................................................2
2.1 Function Summary.......................................................................................................................2
2.2 Monitor Area.................................................................................................................................. 3
2.3 Button Definition........................................................................................................................... 3
3. Installation Instruction............................................................................................................................ 4
4. Standard Operation................................................................................................................................4
4.1 Power ON / OFF...........................................................................................................................4
4.2 User interface................................................................................................................................4
4.3 Current Speed/Trip /ODO........................................................................................................... 5
4.4 Walk Assist.................................................................................................................................... 5
4.5 ON/OFF the Headlight.................................................................................................................6
4.6 PAS level Adjustment.................................................................................................................. 6
4.7 Battery Indicator........................................................................................................................... 7
5. Error code................................................................................................................................................ 8
6. Mobile phone charging (only for instruments with USB interface).................................................9
7. Users Setting...........................................................................................................................................9
7.1 Preparation before Starting the Display................................................................................... 9
7.2 Single Trip Distance Clearance................................................................................................. 9
7.3 Parameter setting......................................................................................................................... 9
Limit speed setting...................................................................................................................... 10
Wheel size setting........................................................................................................................10
Metri/inch setting:.......................................................................................................................11
Exit Setting................................................................................................................................... 11
8. FAQ......................................................................................................................................................... 11
9. Quality assurance and warranty scope............................................................................................ 12
10. Connection layout.............................................................................................................................. 12
11. Version changes................................................................................................................................. 13

KING-METER TECHNOLOGY CO., LT
No.15, Chenchang Road, Beichen Dist.Tianjin,300134,CN
Fax：[phone] Tel: [phone]
1
About the UserGuide
Dear user,
To ensure the best performance of your e-bike, please read through the KM3209 LED product
introduction carefully before use it.We will use the brief words to inform you of all the details
(including hardware installation, setting and normal use of KM3209 the display) when using
our display. Meanwhile, the introduction will also help you solve possible confusion and
barriers.
Notes for Users
Be careful during using display, do not plug in and out when electrified.
Avoiding of collision
Please do not tear off the stickers in case of water infuse
Please do not change the background parameter settings of the instrument at will, otherwise normal
riding cannot be guaranteed.
Send the faulty displays immediately when not working properly.

KING-METER TECHNOLOGY CO., LT
No.15, Chenchang Road, Beichen Dist.Tianjin,300134,CN
Fax：[phone] Tel: [phone]
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1. Appearance and Size
1.1 Materials and Color
The KM3209 LED is made of PC plastic. It has an operating temperature range of -20℃to
60℃. And it can guarantee good mechanical properties.
The photo and dimensions of the KM3209 can be found below. (unit: mm)
2. Function Summary and Button Definition
2.1 Function Summary
KM3209 LED offers plenty of functions and showing, in order to meet your needs, indicated
contents are as follows:
◆Battery indicator
◆Real time speed
◆Distance display (Trip, & ODO)
◆PAS level
◆Light state
◆Error code

KING-METER TECHNOLOGY CO., LT
No.15, Chenchang Road, Beichen Dist.Tianjin,300134,CN
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◆Multiple parameter setting
◆Mobile phone charging (only for instruments with USB interface)
◆SuppoRt the ADST function(detailed information following the <ADST updated too(standard
version)> instruction )
◆The communication between the display and the controller is following the <ANADA’s
EN13849:2017 protocol V11.0_1.3.4>, and above version. (Following the ANANDA’s newest version
and compatible with the old version.)
2.2 Monitor Area
KM3209 LED NORMAL DISPLAY INTERFACE
2.3 Button Definition
Insubsequent instructions, b
utton
is replaced by “MODE”. Button“+”is replaced
by“UP”, button -is replaced by“DOWN”.
SPEED TRIP ODO
UP
DOWN
Power ON /OFF
Battery
Indicator

KING-METER TECHNOLOGY CO., LT
No.15, Chenchang Road, Beichen Dist.Tianjin,300134,CN
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3. Installation Instruction
Fix the display on the handlebar, adjust the angel. Connect the two plugs from display and
controller when it is off power supply.
4. Standard Operation
4.1 Power ON / OFF
Hold on “MODE” for 1second to start display and supply power to the controller, When at
working state, hold on ”MODE” for 2.5 seconds to shut off E-bike power.
Display does not use the power in shutdown.Leak of current will be less than 1uA
If the E-bike doesn’t use more than 10 minutes, display will turn off automatically.
4.2 User interface
Power on the display and showing as following interface:

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4.3 Current Speed/Trip /ODO
Press “MODE”can switch the Trip/ODO.This function facilitates users to view theTRIPand
ODO data.
4.4 Walk Assist
Press and hold “UP” for 2second to start walk assist status. It enters into the Walk Assist
mode,Release the button to exit walk assist status.
Walk assist can only be working when you push the bike and please do not start this
function when riding.

KING-METER TECHNOLOGY CO., LT
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4.5 ON/OFF the Headlight
Press and hold on the “DOWN” over 2 second, turn on the headlight.
When the headlight is lighting, press and hold the”DOWN” over 2 seconds again, turn off the
headlights.
4.6 PAS level Adjustment
Press either “UP”or “DOWN” to Shift the PAS level,change the output power of the motor. The
PAS level ranges from level 1 to level 5.Preset PAS is Level 1

KING-METER TECHNOLOGY CO., LT
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4.7 Battery Indicator
The display shows the battery capacity in 5 levels. When the battery is under-voltage, the last
indictor will flash, prompting a recharge as soon as possible.
FULL Power Under-voltage
If the battery has communication, the display has 1 second delay to show the right battery
capacity; If the battery without communication, the display has 3seconds delay to show the
right battery capacity.
If the display and the battery cut off communication over 5 seconds, the display will show the
battery capacity data from the controller. The display will show the battery capacity when it
communicate with battery again

KING-METER TECHNOLOGY CO., LT
No.15, Chenchang Road, Beichen Dist.Tianjin,300134,CN
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5. 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.
The fault display interface can only be exsited when the fault is eliminated. After the fault
occurs, the e-bike willnot be able to continue riding.
The communication between display and controller is interrupted, and the delay time is over 5
seconds.The display shows 60 seconds the communication error code, and then will shut
down automatically
Table 1: Error list
Error Code Definition Solution
21 Current Abnormality
Restart the display, if the problem
still have, then connect with the
supplier
22 Throttle Abnormality Check the throttle function before
power
on
E-drive
system
23 Motor Abnormality
Check whether the phase line outlet
is good;
Check whether the motor phase
wire
is
connected
with
the
controller
24 Motor Hall Signal Abnormality
Check the cable, if the fault persists
after restarting, the supplier will
continue
25 Brake Abnormality Check the brake sensor function
before
power
on
E-drive
system
28 Other Abnormality Restart or update the program or
replace
the
controller
30 Communication Abnormality Check whether the connection of
the instrument is intact

KING-METER TECHNOLOGY CO., LT
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6. Mobile phone charging (only for instruments with USB
interface)
Display with USB interface, this interface provides charging power for mobile phones, output
5V/500mA.
When the display is powered off, connect the mobile phone data cable between the display
and the mobile phone, then turn on the display to start charging mobile phone. If the display is
turned off at this time, the USB interface still charges the mobile phone.In any state,unplug the
phone and the charging terminates automatically.
When the display is powered on, press and hold “MODE” and “DOWN”and “UP”for 2 seconds
at the same time to trigger the USB charging function, and the display will charge the mobile
phone.
7. Users Setting
7.1 Preparation before Starting the Display
Make sure the connector is firmly connected and turn on the electric bicycle power.
7.2 Single Trip Distance Clearance
Trip clear setting can reset the trip distance of the display.
Press“MODE”and“DOWN”for 2seconds can reset the trip data to zero.
7.3 Parameter setting
When the display power on with speed as zero, hold on “UP” and “DOWN” for 2 second, can enter
the setting menu: limit speed, wheelsize, metric/inch.

KING-METER TECHNOLOGY CO., LT
No.15, Chenchang Road, Beichen Dist.Tianjin,300134,CN
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Limit speed setting
The first setting is the limit speed data, the default speed-limit setting is 25km/h. This is the max
speed of the electric vehicle. When the electric vehicle exceeds the max speed, the controller will
stop supply power to the motor to protect the safe driving of the rider.
The speed-limit range from 12km/h to 25km/h. Press “UP”or “DOWN” to select the value and then
press “MODE” to confirm and exit. Press “MODE” can enter the next setting.
Wheel size setting
Enter the second setting menu can set the wheelseize, the preset is 26inch. Change this data can set
the right wheelsize, to ensure the speed, TRIP, ODO are compatible with the really E-bike.

KING-METER TECHNOLOGY CO., LT
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The range of the wheelsize: 16, 18, 20, 22, 24, 26, 700C, 28, 29.
Use the “UP”/”DOWN” can change the data. After the setting, press “MODE” to confirm the setting
and enter the next interface.
Metri/inch setting:
Enter the third setting menu can set the metri/inch. The preset is Metri.
The Metri interface The Inch interface
Use the “UP”/”DOWN” can change the data. After the setting, press “MODE” to confirm the setting
and enter the next interface.
Exit Setting
In the setting state, shortly press “MODE”button to confirm the input and enter the next setting; and
hold “MODE” button to saveand exit the setting state.
No operation within 10seconds, the display will automatically exit the setting state.
8. FAQ
Q：Why can’t turn on the display?
A：Please check if the cable is well connected with the controller.

KING-METER TECHNOLOGY CO., LT
No.15, Chenchang Road, Beichen Dist.Tianjin,300134,CN
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Q：How to deal with the error code display?
A：Contact the e-bike maintenance station in time.
9. Quality assurance and warranty scope
I, Warranty Information:
1.King-Meter will be responsible for all faults arising during normal operation that are caused
by a quality defect
2.The warranty time is 36 months from the day the display leaves the factory.
II, The following are not covered by warranty
1, Shell opened
2, Connectors have been broken
3, After display out of factory,the shell is scratched or damaged.
4, Lead wire of display scratch or break
5, The fault or damage is caused by the force majeure (such as fire, earthquake, etc.) or
natural disasters (such as lighting, flooding, etc.)
6, Product exceeded warranty period
10.Connection layout
Standard connector line sequence:
Connecting terminal with controller
Connecting terminal of instrument outgoing terminal
Some cables use the water-proof connector, users are not able to see the inside color in this case.

KING-METER TECHNOLOGY CO., LT
No.15, Chenchang Road, Beichen Dist.Tianjin,300134,CN
Fax：[phone] Tel: [phone]
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Series Pin color and defination Function
1RED（VCC）VCC for the display
2 BLACK(GND) GND for the display
3 YELLOW(TX) Display send out the data
4 GREEN(RX) Display receive the data
5 BLUE(K) The power cable to thecontroller
11.Version changes
The instruction manual of this instrument is the operation manual of the general software version
(version 1.0) of Tianjin King-Meter Technology Co., Ltd. The version of the instrument software used
on some vehicles may be slightly different from this manual, and
the actual version used shall prevail.
KING-METER