Acewell ACE-31 SERIES User manual

Thanks for bought the Acewell's ATV/Scooter computer; this manual
is designed for ACE-3XXX series. ACE-3100/3150 does not have any
extra LED indicator. ACE-37XX/38XX series has 4-8 LED indicators.
Different model has different LED indicators, a fuel meter is
optional, and other functions are the same. You may found above
photo has different LED indicators from your computer; the photo
above is for reference only.
ATV Computer
ACE-31xx/37xx/38xx series User's Manual
www.acewell-meter.com
Includes analogue and digital tachometer, 300km/h speedometer,
trip meter, odometer, clock, average speedometer, maximum
speedometer, riding timer and total riding timer.
Computer unit built in 4-8 LEDs for different purpose indicators.
LCD has 2 rows digital and an analogue bar-graphic tachometer
displays with blue LEDs backlight.
Odometer and total riding timer are stored in memory, even when
the power is off.
The computer always displays clock even when other functions are
power off.
Adjustable wheel circumference suitable for all kind of wheels: 1-
3999mm setting range.
Metric/ British system option available.
Waterproof design
FEATURES
SPECIFICATIONS
1 Second
1 Minute
9999H59'
0:00'00"- 99:59'59"
Riding Time
Total Time 
SPECIFICATIONS
2.3-300.0KM/h (187.5M/h)
MAX 2.3-300.0KM/h (187.5M/h)
AVG 2.3-300.0KM/h (187.5M/h)
0.00-9999.99 Km (6249.99 Miles)
0.0 - 99999.9 Km (0.0- 62499.9 Miles)
500-11,000 rpm Bar Tachometer
Odometer
Trip Meter
Maximum Speed Meter
Speed Meter
SymbolFUNCTIONS
500 rpm
0.01 Km or Miles
0.01 Km or Miles
0.1 KM/H or MPH
0.1 KM/H or MPH
0.1 KM/H or MPH
INCREMENTS
+/- 50PPM
+/-1% or
+/- 0.1(KPH/MPH)
+/- 0.1%
+/- 0.1%
+/- 50PPM
ACCURACY
Average Speed Meter
+/-1% or
+/- 0.1(KPH/MPH)
+/-1% or
+/- 0.1(KPH/MPH)
TT
RT
ODO
TRIP
AVG
MAX
Digital Tachometer
RPM 100-19,900rpm
100 rpm
Shift Warning
Maximum Tachometer
MAX
RPM
RPM 100-19,900rpm
100-19,900rpm
100 rpm
100 rpm
Clock 0:00'00"- 24:59'59" 1 Second +/- 50PPM
Power Input: 12VDC.
Speed Sensor: No Contact Magnetic Sensor.
Tachometer Input: CDI or Ignition coil signal.
Wheel Circumference setting: 1mm - 3999 mm (1 mm increment)
Operation Temperature: -10°C - +80°C (inner housing)
Storage Temperature: -25°C - +85°C (Inner housing)
PANEL DESCRIPTIONS
Left direction indicator/Green
Main-beam headlamp/Blue
Right direction indicator/Green
Hazard Warning/ Red
Parking/Green
Direction indicator/Green
Engine oil / Red
Neutral Gear /Green
Reverse Gear /Red
Drive Gear /Green
Engine coolant temperature/ Red
P
D
R
N
Rear fog lamp/Amber
Flash Trailer/Green
FUNCTIONS
BAR RPM: Bar Graphic Tachometer
1. The bar graphic tachometer is always displayed at the bar graph.
2. It displays bar graphic tachometer up to 12,000RPM.
RPM: Digital Tachometer
1. RPM is displayed at 2nd row.
2. It displays digital tachometer up to 19,900RPM.
3. Tachometer signal can pick up from either CDI or Ignition coil.
Shift Warning RPM
1. The function enables you to set up a shift warning RPM.
2. Bar-graphic tachometer flashes when RPM reaches setting value, and stop flash after
you shift gear.
MAX RPM: Maximum Tachometer
1. MAX RPM is displayed at the 2nd row.
2. Displays highest tachometer achieved after last Reset operation.
SPD: Speed Meter
1. Speed meter display is at the 1st row of the screen
2. Displays speed meter up to 300.0 Km/H or 187.5 mph.
MAX: Maximum Speed Meter
1. MAX is displayed at the 1st row.
2. Displays highest speed achieved after last Reset operation.
AVG: Average Speed Meter
1. AVG is displayed at the 1st row.
2. It calculates average speed from last RESET.
TRIP: Trip Meter
1. TRIP function accumulates trip distance from last RESET as long as ATV is being
ridden.
2. Display is on the 2nd row of screen.
ODO: Odometer
1. ODO accumulates total accumulated distance traveled during ATV operation.
2. ODO data is stored in memory, even when the power is off.
RT: Riding Timer
1. Calculates total operation time from last RESET.
2. Count automatically begins with movement.
TT: Total Riding Timer
1. Calculates total operation time from the beginning of the ATV.
2. Count automatically begins with movement.
3. TT data is stored in memory, even when the power is off.
12/24 hour Clock
It displays 12 or 24hour current time.
Fuel Meter (Only for models with the function)
Have 7 bars to indicate how much fuel remains. Last bar flashes to indicate low fuel
level.
PARTS
Main Unit Mounting
Speed Sensor & Magnet Mounting
RPM Sensor Mounting
Fixing screw nut
Rubber pad
Washer
Spring washer
Attention：
1.Align the center of the magnet to
either of the sensor marking line
or the end of the sensor.
2.Installs the sensor parallel with
the vibration direction can get a
better anti-vibration effect.
3.Make sure the gap between the magnet
and the sensor is within 8mm.
Max8mm
Vibration Direction
sensor
Max8mm
Vibration Direction
sensor
CDI Ignition Coil
RPM-INPUT
Either One
3-5 Turns
2.
1.
3.
4.
6.
5.
8.
1. Tachometer Scale
2. Bar Tachometer
3. 1st row display: Current,
AVG and MAX speeds.
4. 2nd row display: Other functions display
5. RESET Button
6. MODE Button
7. Fuel Meter Bar (Option)
8. LED Indicator symbols
7.
Diesel engine ignition/

BUTTON OPERATIONS
RESET BUTTON
1. Press MODE button to the desired screen then press RESET button for
2 seconds to reset TRIP, RT, MAX, AVG and MAX RPM data from stored
values to zero individually.
2. ODO and TT data cannot be reset.
MODE BUTTON
1. Press the MODE button to move all functions in loop sequence from one function screen to another when the speed sensor does not detect
any signal input.
2. Press the MODE button to move partial functions in loop from one function screen to another when speed sensor detects signal input.
3. LCD screen will automatically revert to Speed Meter and Trip Meter screen during operation movement, if no button usage for 10 seconds.
SHIFT WARNING RPM OPERATION
1. Press MODE button to the RPM screen; pull on the throttle until the desired shift warning RPM displayed.
2. Press RESET button to confirm and set up the shift warning RPM.
3. Bar-graphic tachometer and a LED will flash to warning you shift gear.
4. Operate items 1 & 2 to re-adjust the shift warning RPM.
WHEEL CIRCUMFERENCE TABLE
1. The following table is calculated by the formula of Tire Diameter (inch) x 25.4(mm/inch) x 3.1416 = wheel circumference (in mm).
2. Identify the tire size of your ATV when you need to change different tire size and key in the corresponding number shown in the following chart.
UNIT & WHEEL CIRCUMFERENCE SETTING
Circumference
number (mm)
Tire Size Tire Size number (mm)
Circumference Tire Size number (mm) Circumference
1436mm18 inch
1357mm17 inch
1277mm16 inch
1197mm15 inch 19 inch 1516mm
1756mm
1676mm
1596mm
22 inch
21 inch
20 inch
2075mm
1995mm
1915mm
1835mm23 inch
26 inch
25 inch
24 inch
1. Setup operations include 12/24hour clock, shift warning RPM, numbers of engine rotation per signal, wheel circumference and units. You have to
set up step by step. The computer will automatic reversion to main screen if no button operation for 20 seconds at any setting screen.
2. Press both MODE & RESET buttons to go into setting screen. In setting screens, press RESET button to add the flashing digit by 1 or convert
units, press MODE button to confirm the digit setting and jump to next digit or next setting screen to be set. Press MODE button for 2 seconds at
any setting screen to finish the setting and go to main screen.
3. It displays "12 or 24H and XX:XX-XX" symbols and AM/PM in case you select 12H.
4. Press RESET button converts 12/24H, press MODE button to complete the setting and jump to clock digit setting.
5. Press RESET button to increase flashing digit by one; press MODE button to confirm digit setting and jump to next digit.
6. Press MODE button to go to shift warning RPM setting screen after set clock.
7. It displays "rXXX00 RPM". Press RESET button to increase flashing digit by one; press MODE button to confirm digit setting and jump to next
digit.
8. Press MODE button to go to numbers of engine rotation per signal setting screen after completed shift warning RPM setting.
9. It displays "SPC-X.X RPM", the default value is 1.0; there are 4 options: 1.0, 2.0, 3.0 and 0.5. It means the numbers of engine rotation per signal.
For example the value 2.0 means the engine rotate 2 turns to output a signal.
10. Press RESET button to move in loop sequence from one to another value of the 4 values. Press MODE button to confirm the setting and go to
wheel circumference setting screen.
11. In "cXXXX" display, "c" means "Circumference", following 4 default digits; flashing digit is digit to be set.
12. Press RESET button to increase flashing digit by one; press MODE button for 2 seconds to confirm digit setting and jump to main screen.
MODE MODE MODE MODEMODEMODE
MODE
MODE MODEMODE
MODE
RESET
2 sec
mode
reset
+
2 sec mode mode mode mode
mode
reset
mode
2sec
mode
mode
mode
mode reset
mode
mode
mode modemode mode

Thanks for bought the Acewell's ATV/Scooter computer; this manual
is designed for ACE-3XXX series. ACE-3100/3150 does not have any
extra LED indicator. ACE-37XX/38XX series has 4-8 LED indicators.
Different model has different LED indicators, a fuel meter is
optional, and other functions are the same. You may found above
photo has different LED indicators from your computer; the photo
above is for reference only.
ATV Computer
ACE-31xx/37xx/38xx series User's Manual
www.acewell-meter.com
Includes analogue and digital tachometer, 300km/h speedometer,
trip meter, odometer, clock, average speedometer, maximum
speedometer, riding timer and total riding timer.
Computer unit built in 4-8 LEDs for different purpose indicators.
LCD has 2 rows digital and an analogue bar-graphic tachometer
displays with blue LEDs backlight.
Odometer and total riding timer are stored in memory, even when
the power is off.
The computer always displays clock even when other functions are
power off.
Adjustable wheel circumference suitable for all kind of wheels: 1-
3999mm setting range.
Metric/ British system option available.
Waterproof design
FEATURES
SPECIFICATIONS
1 Second
1 Minute
9999H59'
0:00'00"- 99:59'59"
Riding Time
Total Time 
SPECIFICATIONS
2.3-300.0KM/h (187.5M/h)
MAX 2.3-300.0KM/h (187.5M/h)
AVG 2.3-300.0KM/h (187.5M/h)
0.00-9999.99 Km (6249.99 Miles)
0.0 - 99999.9 Km (0.0- 62499.9 Miles)
500-11,000 rpm Bar Tachometer
Odometer
Trip Meter
Maximum Speed Meter
Speed Meter
SymbolFUNCTIONS
500 rpm
0.01 Km or Miles
0.01 Km or Miles
0.1 KM/H or MPH
0.1 KM/H or MPH
0.1 KM/H or MPH
INCREMENTS
+/- 50PPM
+/-1% or
+/- 0.1(KPH/MPH)
+/- 0.1%
+/- 0.1%
+/- 50PPM
ACCURACY
Average Speed Meter
+/-1% or
+/- 0.1(KPH/MPH)
+/-1% or
+/- 0.1(KPH/MPH)
TT
RT
ODO
TRIP
AVG
MAX
Digital Tachometer
RPM 100-19,900rpm
100 rpm
Shift Warning
Maximum Tachometer
MAX
RPM
RPM 100-19,900rpm
100-19,900rpm
100 rpm
100 rpm
Clock 0:00'00"- 24:59'59" 1 Second +/- 50PPM
Power Input: 12VDC.
Speed Sensor: No Contact Magnetic Sensor.
Tachometer Input: CDI or Ignition coil signal.
Wheel Circumference setting: 1mm - 3999 mm (1 mm increment)
Operation Temperature: -10°C - +80°C (inner housing)
Storage Temperature: -25°C - +85°C (Inner housing)
PANEL DESCRIPTIONS
Left direction indicator/Green
Main-beam headlamp/Blue
Right direction indicator/Green
Hazard Warning/ Red
Parking/Green
Direction indicator/Green
Engine oil / Red
Neutral Gear /Green
Reverse Gear /Red
Drive Gear /Green
Engine coolant temperature/ Red
P
D
R
N
Rear fog lamp/Amber
Flash Trailer/Green
FUNCTIONS
BAR RPM: Bar Graphic Tachometer
1. The bar graphic tachometer is always displayed at the bar graph.
2. It displays bar graphic tachometer up to 12,000RPM.
RPM: Digital Tachometer
1. RPM is displayed at 2nd row.
2. It displays digital tachometer up to 19,900RPM.
3. Tachometer signal can pick up from either CDI or Ignition coil.
Shift Warning RPM
1. The function enables you to set up a shift warning RPM.
2. Bar-graphic tachometer flashes when RPM reaches setting value, and stop flash after
you shift gear.
MAX RPM: Maximum Tachometer
1. MAX RPM is displayed at the 2nd row.
2. Displays highest tachometer achieved after last Reset operation.
SPD: Speed Meter
1. Speed meter display is at the 1st row of the screen
2. Displays speed meter up to 300.0 Km/H or 187.5 mph.
MAX: Maximum Speed Meter
1. MAX is displayed at the 1st row.
2. Displays highest speed achieved after last Reset operation.
AVG: Average Speed Meter
1. AVG is displayed at the 1st row.
2. It calculates average speed from last RESET.
TRIP: Trip Meter
1. TRIP function accumulates trip distance from last RESET as long as ATV is being
ridden.
2. Display is on the 2nd row of screen.
ODO: Odometer
1. ODO accumulates total accumulated distance traveled during ATV operation.
2. ODO data is stored in memory, even when the power is off.
RT: Riding Timer
1. Calculates total operation time from last RESET.
2. Count automatically begins with movement.
TT: Total Riding Timer
1. Calculates total operation time from the beginning of the ATV.
2. Count automatically begins with movement.
3. TT data is stored in memory, even when the power is off.
12/24 hour Clock
It displays 12 or 24hour current time.
Fuel Meter (Only for models with the function)
Have 7 bars to indicate how much fuel remains. Last bar flashes to indicate low fuel
level.
PARTS
Main Unit Mounting
Speed Sensor & Magnet Mounting
RPM Sensor Mounting
Fixing screw nut
Rubber pad
Washer
Spring washer
Attention：
1.Align the center of the magnet to
either of the sensor marking line
or the end of the sensor.
2.Installs the sensor parallel with
the vibration direction can get a
better anti-vibration effect.
3.Make sure the gap between the magnet
and the sensor is within 8mm.
Max8mm
Vibration Direction
sensor
Max8mm
Vibration Direction
sensor
CDI Ignition Coil
RPM-INPUT
Either One
2-5 Turns
2.
1.
3.
4.
6.
5.
8.
1. Tachometer Scale
2. Bar Tachometer
3. 1st row display: Current,
AVG and MAX speeds.
4. 2nd row display: Other functions display
5. RESET Button
6. MODE Button
7. Fuel Meter Bar (Option)
8. LED Indicator symbols
7.
Engine in "out of use"/Red
Fuel Sensor Resistance: 100Ω(For models with fuel meter only)
1. The signal intensity from ignition coil is dependent on different bikes.
2. Circles 2-5 turns around ignition coil, the weaker signal the more
turns and the stronger signal the less turns you have to circle.

BUTTON OPERATIONS
RESET BUTTON
1. Press MODE button to the desired screen then press RESET button for
2 seconds to reset TRIP 2, MAX, and MAX RPM data from stored
values to zero individually. The data of Trip 1, AVG & RT be reset
at the same time. ODO, clock and TT data cannot be reset.
MODE BUTTON
1. Press the MODE button to move all functions in loop sequence from one function screen to another when the speed sensor does not detect
any signal input.
2. Press the MODE button to move partial functions in loop from one function screen to another when speed sensor detects signal input.
SHIFT WARNING RPM OPERATION
1. Press MODE button to the RPM screen; pull on the throttle until the desired shift warning RPM displayed.
2. Press RESET button to confirm and set up the shift warning RPM.
3. Bar-graphic tachometer and a LED will flash to warning you shift gear.
4. Operate items 1 & 2 to re-adjust the shift warning RPM.
WHEEL CIRCUMFERENCE TABLE
1. The following table is calculated by the formula of Tire Diameter (inch) x 25.4(mm/inch) x 3.1416 = wheel circumference (in mm).
2. Identify the tire size of your ATV when you need to change different tire size and key in the corresponding number shown in the following chart.
UNIT & WHEEL CIRCUMFERENCE SETTING
Circumference
number (mm)
Tire Size Tire Size number (mm)
Circumference Tire Size number (mm) Circumference
1436mm18 inch
1357mm17 inch
1277mm16 inch
1197mm15 inch 19 inch 1516mm
1756mm
1676mm
1596mm
22 inch
21 inch
20 inch
2075mm
1995mm
1915mm
1835mm23 inch
26 inch
25 inch
24 inch
1. Setup operations include 12/24hour clock, shift warning RPM, numbers of engine rotation per signal, wheel circumference and units. You have to
set up step by step. The computer will automatic reversion to main screen if no button operation for 75 seconds at any setting screen.
2. Press both MODE & RESET buttons to go into setting screen. In setting screens, press RESET button to add the flashing digit by 1 or convert
units, press MODE button to confirm the digit setting and jump to next digit or next setting screen to be set. Press MODE button for 2 seconds at
any setting screen to finish the setting and go to main screen.
3. It displays "12 or 24H and XX:XX-XX" symbols and AM/PM in case you select 12H.
4. Press RESET button converts 12/24H, press MODE button to complete the setting and jump to clock digit setting.
5. Press RESET button to increase flashing digit by one; press MODE button to confirm digit setting and jump to next digit.
6. Press MODE button to go to shift warning RPM setting screen after set clock.
7. It displays " RPM rXXX00 ". Press RESET button to increase flashing digit by one; press MODE button to confirm digit setting and jump to next
digit.
8. Press MODE button to go to numbers of engine rotation per signal setting screen after completed shift warning RPM setting.
9. It displays "SPC-X.X RPM", the default value is 1.0; there are 4 options: 1.0, 2.0, 3.0 and 0.5. It means the numbers of engine rotation per signal.
For example the value 2.0 means the engine rotate 2 turns to output a signal.
10. Press RESET button to move in loop sequence from one to another value of the 4 values. Press MODE button to confirm the setting and go to
wheel circumference setting screen.
11. In "cXXXX" display, "c" means "Circumference", following 4 default digits; flashing digit is digit to be set.
12. Press RESET button to increase flashing digit by one; press MODE button for 2 seconds to confirm digit setting and jump to main screen.
MODE MODE MODE MODEMODEMODE
MODE
MODE MODEMODE
MODE
RESET
2 sec
mode
reset
+
2 sec mode mode mode mode
mode
reset
mode
2sec
mode
mode
mode
mode reset
mode
mode
mode modemode mode

Thanks for purchsaing an Acewell ATV/Motorcycle/Scooter computer.
This manual is specifically designed for ACE-3XXX series. The
ACE-3100/3150 does not have any extra LED indicator. The ACE-
37XX/38XX series has 4-8 LED indicators. Different models have
different LED indicators; a fuel meter is optional, ut all other
functions are the same. You may find that the photo has a set of
LED indicators different from your computer; the photo is for
reference only.
ATV Computer
ACE-31xx/37xx/38xx series User's Manual
www.acewell-meter.com
Includes analog and digital tachometer, speedometer(300km/h
maximum), trip meter, odometer, clock, average speedometer,
maximum speedometer, riding timer and cumulativel riding timer.
Computer unit has 4-8 built-in LED for different-purpose indicators.
LCD has 2 rows of digital and one analog bar-graphic tachometer
displays, with blue LED backlight.
Odometer and cumulative riding timer measurements are stored in
memory, even when power is off.
The computer's clock display is always on, even when other
functions are power-off.
Adjustable wheel circumference suitable for all kind of wheels:
setting range of 1-3999 mm setting.
Metric/ British system options.
Waterproof design
FEATURES
SPECIFICATIONS
1 Second
1 Minute
9999H59'
0:00'00"- 99:59'59"
Riding Time
Total Time 
SPECIFICATIONS
2.3-300.0KM/h (187.5M/h)
MAX 2.3-300.0KM/h (187.5M/h)
AVG 2.3-300.0KM/h (187.5M/h)
0.0-999.9 Km (624.9 Miles)
0.0 - 999999 Km (0.0- 624999 Miles)
500-11,000 rpm Bar Tachometer
Odometer
Trip Meter 1&2
Maximum Speed Meter
Speed Meter
SymbolFUNCTION
500 rpm
1 Km or Miles
0.1 Km or Miles
0.1 KM/H or MPH
0.1 KM/H or MPH
0.1 KM/H or MPH
INCREMENTS
+/- 50PPM
+/-1% or
+/- 0.1(KPH/MPH)
+/- 0.1%
+/- 0.1%
+/- 50PPM
ACCURACY
Average Speed Meter
+/-1% or
+/- 0.1(KPH/MPH)
+/-1% or
+/- 0.1(KPH/MPH)
TT
RT
ODO
TRIP 1&2
AVG
MAX
Digital Tachometer
RPM 100-19,900rpm
100 rpm
Shift Warning
Maximum Tachometer
MAX
RPM
RPM 100-19,900rpm
100-19,900rpm
100 rpm
100 rpm
Clock 0:00'00"- 23:59'59" 1 Second /1 Minute +/- 50PPM
Power Input: 12VDC.
Speed Sensor: No Contact Magnetic Sensor.
Tachometer Input: CDI or Ignition-coil signal.
Wheel Circumference setting: 1mm - 3999 mm (1 mm increment)
Operation Temperature: -10°C - +80°C (inner housing)
Storage Temperature: -25°C - +85°C (Inner housing)
PANEL DESCRIPTIONS
Left-Direction Indicator/Green
Main-Beam Headlamp/Blue
Right-Direction Indicator/Green
Hazard Warning/ Red
Parking/Green
Direction Indicator/Green
Engine Oil / Red
Neutral Gear /Green
Reverse Gear /Red
Drive Gear /Green
Engine coolant temperature/ Red
P
D
R
N
Rear Fog Lamp/Amber
Trailer Flashers/Green
FUNCTIONS
BAR RPM: Bar Graphic Tachometer
1. The bar graphic tachometer reading is always displayed at the bar graph.
2. Tachometer bar graphic displays up to 12,000 RPM.
RPM: Digital Tachometer
1. RPM is displayed in 2nd row.
2. Digital tachometer displays up to 19,900 RPM.
3. Tachometer signal picked up from either CDI or Ignition coil.
Shift Warning RPM
1. Function enables you to set up an RPM shift warning.
2. Bar-graphic tachometer flashes when RPM reaches pre-set value, and stops flashing
after you shift gear.
MAX RPM: Maximum Tachometer
1. MAX RPM is displayed on 2nd row.
2. Displays highest tachometer reading achieved after last RESET operation.
SPD: Speed Meter
1. Speed meter display is on 1st row of the screen.
2. Displays speedometer reading up to 300.0 Km/H or 187.5 mph.
MAX: Maximum Speed Meter
1. MAX is displayed on 1st row.
2. Displays highest speed achieved after last RESET operation.
AVG: Average Speed Meter
1. AVG is displayed on 2nd row.
2. Calculates average speed from last RESET.
TRIP 1 & 2: Trip Meter 1& 2
1. TRIP function registers cumulative trip distance from last RESET while bike is being
ridden.
2. Display is on 2nd row of screen.
ODO: Odometer
1. ODO registers cumulative distance traveled during motorbike operation.
2. ODO data is stored in memory, even when power is off.
RT: Riding Timer
1. Calculates total operation time from last RESET.
2. Count automatically begins with vehicle movement.
TT: Total Riding Timer
1. Calculates total operation time from the beginning of bike use.
2. Count automatically begins with vehicle movement.
3. TT data is stored in memory, even when power is off.
12/24 hour Clock
It displays 12- or 24-hour current time.
Fuel Meter (Only for models with the function)
Has 7 bargraphic indicator of fuel status. Last bar flashes to indicate low fuel level.
INSTALLATION & PARTS
Main Unit Mounting
Speed Sensor & Magnet Mounting
RPM Sensor Mounting
Fixing Screw Nut
Rubber Pad
Washer
Spring Washer
Attention：
1.Align the center of the magnet to
either of the sensor marking line
or the end of the sensor.
2.Installing the sensor parallel to
the vibration direction creates
optimal anti-vibration effect.
3.Make sure the gap between the magnet
and the sensor is within 8mm.
Max8mm
Vibration Direction
sensor
Max8mm
Vibration Direction
sensor
CDI Ignition Coil
RPM-INPUT
Either One
2-5 Turns
2.
1.
3.
4.
6.
5.
8.
1. Tachometer Scale
2. Bar Tachometer
3. 1st row display: Speedometer
and MAX speedometer.
4. 2nd row display: Other functions
5. RESET Button
6. MODE Button
7. Fuel Meter Bar (Optional)
8. LED Indicator symbols
7.
Engine "Not In Use"/Red
Fuel Sensor Resistance: 100Ω(For models with fuel meter only)
1. Signal intensity from ignition coil is dependent on vehicle type.
2. Circles 2-5 turns around ignition coil, with more turns creating steadily
stronger signal, fewer turns creating weaker signal.

BUTTON OPERATIONS
RESET BUTTON
1. Press MODE button to the desired screen then press RESET button for
2 seconds to reset TRIP 2, MAX, and MAX RPM data from stored
values to zero individually.
2. The data of Trip 1, AVG & RT be reset at the same time when one of
the 3 data functions is being reset.
3. ODO, clock and TT data cannot be reset.
MODE BUTTON
1. Press the MODE button to move all functions in loop sequence from one function screen to another when the speed sensor does not detect
any signal input.
SHIFT RPM WARNING OPERATION
1. Press MODE button to the RPM screen; pull on the throttle until the desired shift RPM warning displayed.
2. Press RESET button to confirm and set up the shift warning RPM.
3. Bar-graphic tachometer will flash to warning you shift gear.
4. Operate items 1 & 2 to readjust the shift warning RPM.
WHEEL CIRCUMFERENCE TABLE
1. The details below have been calculated using the following formula; Tire Diameter (inch) x 25.4(mm/inch) x 3.1416 = wheel circumference (in mm).
2. Identify the tire size of your ATV/Motorcycle when you need to change different tire, and key in the corresponding number shown in the following chart.
UNIT & WHEEL CIRCUMFERENCE SETTING
Circumference
Tire Size Tire Size
Circumference Tire Size Circumference
1436mm18 inch
1357mm17 inch
1277mm16 inch
1197mm15 inch 19 inch 1516mm
1756mm
1676mm
1596mm
22 inch
21 inch
20 inch
2075mm
1995mm
1915mm
1835mm23 inch
26 inch
25 inch
24 inch
1. Setup operations include 12/24hour clock, shift warning RPM, numbers of engine rotation per signal, wheel circumference and units. These must
be set up step by step. The computer will automatic reversion to main screen if no button operation for 75 seconds at any setting screen.
2. Press both MODE & RESET buttons to go into setting screen. In setting screens, press RESET button to add the flashing digit by 1 or convert
units, press MODE button to confirm the digit setting and jump to next digit or next setting screen to be set. Press MODE button for 2 seconds at
any setting screen to finish the setting and go to main screen.
3. It displays "12 or 24H and XX:XX-XX" symbols and AM/PM in case you select 12H.
4. Press RESET button converts 12/24H, press MODE button to complete the setting and jump to clock digit setting.
5. Press RESET button to increase flashing digit by one; press MODE button to confirm digit setting and jump to next digit.
6. Press MODE button to go to shift warning RPM setting screen after set clock.
7. It displays " RPM rXXX00 ". Press RESET button to increase flashing digit by one; press MODE button to confirm digit setting and jump to next
digit.
8. Press MODE button to go to numbers of engine rotation per signal setting screen after completed shift warning RPM setting.
9. It displays "SPC-X.X RPM", the default value is 1.0; there are 4 options: 1.0, 2.0, 3.0 and 0.5. It means the numbers of engine rotation per signal.
For example the value 2.0 means the engine rotate 2 turns to output a signal.
10. Press RESET button to move in loop sequence from one to another value of the 4 values. Press MODE button to confirm the setting and go to
wheel circumference setting screen.
11. In "cXXXX" display, "c" means "Circumference", following 4 default digits; flashing digit is digit to be set.
12. Press RESET button to increase flashing digit by one; press MODE button for 2 seconds to confirm digit setting and jump to main screen.
RESET
2 sec
mode
reset
+
2 sec mode mode mode mode
mode
reset
mode
2sec
mode
mode
mode
mode reset
mode
mode
mode modemode mode
MODE MODE
MODE
MODE MODE
MODE
MODE
MODE MODE
2. Press the MODE button to move partial functions in loop from one
function screen to another when speed sensor detects signal input.