Golden Motor BAC-601 LCD User manual

BAC-601 LCD
(MP4/SPM4)

BAC-601LCD (MP4/SP4) User’s Guide
PRECAUTIONS
Dear Users:
In order to better operate your electric vehicle, please read the user’s guide carefully
before using BAC-601 LCD(MP4/SMP4).We will lead you how to use BAC-601LCD in most
simple language aging from hardware installation to settings of LCD. At the same time we
will help you solve the possible problem you will meet .

TABLE OF CONTENTS
1REAL PICTURE AND SIZE 1
2ATTENTION 2
3INSTALLATION 2
4FUNCTION OVERVIEW AND BUTTON DEFINITION 2
4.1 LCD Function 2
4.2 LCD Display Interface 3
4.3 Button Definition 3
5OPERATION INSTRUCTIONS 3
5.1 On/Off 3
5.2 Interface Display Instructions 3
5.3 PAS Levers 5
5.4 PAS Mode 5
5.5 Battery Guage 5
5.6 Outputting Power Display 6
5.7 Backlight on 6
5.8 Unit Display 7
5.9 Error Code Display 7
6SETTING UP INSTRUCTIONS 8
6.1 Preparations before LCD on 8
6.2 General Settings 8
7SAVE SETTINGS PARAMETERS 9

1
1 Real Picture and Size

BAC-601LCD (MP4/SP4) User’s Guide
2
2 Attention
3 Installation
Fix the LCD to the vehicle handlebar and adjust it for appropriate perspective.Only
when the vehicle is power off,connect the LCD to the MP4 controller ,then
installation is finished .
4 Function Overview and Button Definition
4.1 LCD Function
Speed display ( real-time speed,average speed, maximum speed )
Current driving time
Current mileage display and the cumulative mileage display
Backlight display
PAS levers and modes display
Battery gauge display
Error display
Unit display(km/h;MPH;Mil)
Parameter settings ,such as: wheel diameter , wheel diameter scaling factor ,
backlight brightness , unit settings.
Avoid the bump.
Only waterproof film is for LCD and do not tear it,otherwise it will
affect the LDC waterproof performance.
When LCD do not work ,please go to vehicle repairing shope or
dealer shop for help and repair it.

BAC-601LCD (MP4/SP4) User’s Guide
3
4.2 LCD Display Interface
4.3 Button Definition
There are three buttons:UP,MODE,DOWN
5 Operation Instructions
5.1 On/Off
On:Turn on the power then the LCD start to work
Off:Turn off the power then the LCD stop working.
5.2 Interface Display Instructions
Turn on the LCD,the LCD show real time speed by default.
Short press"Mode"button the LCD will show:
SPEED ( real-time speed km / h);
AVG SPEED ( current average speed km/h);
SPEED MAX ( current maximum speed km/h);
TRIP ( current mileage km);
Backlight
Cumulative Mileage
Average Speed
Real-time Speed
Max Speed
Current Mileage
Current Driving Time
Unit Display
PAS Levers Display
PAS Mode
Battery Guage
Error Code
Power Rates

BAC-601LCD (MP4/SP4) User’s Guide
4
TRIP TIME (current driving time h);
ODO ( total cumulative mileage km).
Current Max Speed km/h
Real-Time Speed km/h
Current Average Speed km/h
Current Max Speed km/h
Current mileage km
Current Driving Time
Cumulative mileage

BAC-601LCD (MP4/SP4) User’s Guide
5
5.3 PAS Levers
When LCD is on,short press"UP"or "DOWN" button switching the electric vehicle PAS
levers and changing the vehicle's outputting power.
There is 0- 5 levers for option:
0:No power
5:The highest lever
When LCD is on ,PAS lever is at "0" by default.
Here is the 0-5 levers for your reference:
5.4 PAS Mode
Long Press "DOWN" button ,the electric vehicle enters into PAS mode.
Electric vehicle will drive at constant speed 6km/h.
5.5 Battery Guage
When the battery voltage is higher than the 5 segment voltage setted by the
controller , all the battery gauge are bright ; when the battery is under voltage with
one segment and blinking , you need to charge the battery right now.
.....
6KM/H PAS Mode only can be used when rider pushes the electric vehicle.Do not use
6KM/H PAS Mode when you are riding .
Under voltage and flashing

BAC-601LCD (MP4/SP4) User’s Guide
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5.6 Outputting Power Display
LCD will display the outputting power of electric vehicle,the unit is "W" .Display
mode can be checked at the lower right corner of the display shown in following
picture.
5.7 Backlight on
Long press “UP+MODE”button,backlight on .Then again long press “UP+MODE”
button,backlight off.
Backlight On
Backlight Off

BAC-601LCD (MP4/SP4) User’s Guide
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5.8 Unit Display
Speed and mileage display under metric and imperial units shown in following
pictures.
5.9 Error Code Display
When the electric vehicle system fails,LCD will automatically display the error
code.Error code definitions shown in the following figure.
Error Code Definitions
0 No Failure
1 Break Lever Failure
2 Throttle Failure
3 Hall Failure or Phase
4 Under Voltage
5 MOS Tube Failure
6 Overheating
7 Over current
8 Overvoltage
9 Communication Failure
Mileage under metric km
Mileage under imperial Mil
Speed under metric km/h
Speed under imperial Mil

BAC-601LCD (MP4/SP4) User’s Guide
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6 Setting Up Instructions
6.1 Preparations before LCD on
Make sure all the plugs is well connected and turn on the electric vehicle battery
power.
6.2 General Settings
When LCD is on ,long press "UP+DOWN"button and then enter into general settings
state.Short press"MODE" button and then shift setting state,SE1,SE2,SE3,SE4.
6.2.1 SE1.Electric Vehicle Wheel Diameter Setting
28in,700c,26in,24in,22in,20in,18in,16in can be optional.
Set the wheel diameter through "UP" and "DOWM" button to ensure speed and
mileage is correct.By default the LCD display is 20in.
6.2.2 SE2.Wheel Diameter Scale Factor Setting
Setting the wheel diameter scale factor can obtain the accurate speed and mileage
value through "UP" and "DOWN" button.
The default setting is 1.00 and minimum is 0.7 and maximum is 1.3.(Note:actual
wheel diameter = wheel diameter X wheel diameter scale factor )
6.2.3.SE3 .Backlight Brightness Settings
Backlight brightness can be chosen between 1-3.
Through "UP" and "DOWN"button ,shift brightness:
Only after the failure has been ruled out,LCD can exit the error display screen.The electric vehicle can
not continue driving when the failure appear.

BAC-601LCD (MP4/SP4) User’s Guide
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1:Low
2:Middle
3.High
The factory value is 3 by default.
6.2.4.SE4. Unit Setting
The LCD has the metric and imperial unit for option.
Through"UP" and "DOWN"button,shift units:
0:KM.
1:Mil
If you do not carry out any operation during 3 minutes,the LCD will automatically exit
setting mode .
7 Save Settings Parameters
After finishing the settings,short press "MODE" button and confirm the current
settings and then enter into next setting interface.
Long press "MODE" will automatically save the parameters and exit.
8 FAQ
Q:I can not turn on the LCD,why ?
A:Check whether the LCD plug connectors is well connected to the controller
corresponding key.
Q:How to handle when LCD display error code?
A:Go to repairing shop for professional help.
Golden Motor Technology Co.,Ltd
www.goldenmotor.com
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