MAIMEIMI P8 Multi Function Head Up Display

Car Smart Digital Meter (Model: P8)
Thank you for purchasing our car smart digital meter. This product connects to the car’s OBD2 interface via an OBD cable and displays driving data such as vehicle speed, engine RPM, water temperature, fuel consumption, and voltage. It helps keep the driver’s eyes on the road, avoiding the danger of looking down at the dashboard. This product does not alter any car ECU data.

Specifications

Feature	Description
Working Voltage	OBD2 mode: 11V~18VDC (12vdc/200mA)
High Voltage	Use USB cable for GPS mode if voltage is higher than 24V
System	Dual system: OBD or GPS

Kindly Attention

• OBD2 mode working voltage: 11V~18VDC (12vdc/200mA). When voltage is higher than 24V, please use a USB cable for GPS mode.
• This product is a dual system. After power on, select the language and system you are familiar with. Press the ‘>’ key to select OBD or GPS system, and automatically enter the last selected system after 5 seconds of inactivity.

Button and Port Functions

Short press: press once to release. Long press: press for 2 seconds, then release after the display screen changes.

1. Power switch
2. OBD line and USB line interface
3. A-pillar tie port
4. Photosensitive components: sense the intensity of external light and automatically adjust the brightness to adapt to the environment
5. LCD screen
6. Short press ‘M’ button: enter the setting menu, short press again to exit the setting
7. Short press ‘<’ button:
   1. Switch language and system when first used
   2. Switch function display after normal display
   3. Decrease the menu or parameter value after entering the setting
8. Short press ‘OK’ button:
   1. Select function
   2. After normal display, switch the display screen, Long press ‘OK’ button: (1) Enter settings (2) After adjustment, press again for 2 seconds to save and exit
9. Short press of the ‘>’ key:
   1. Switch language and system when first used
   2. Switch the left function display after normal display
   3. After entering the setting, increase the menu or parameter value

Functions Abbreviations

ECT – Engine Coolant Temperature	VLT – Voltage	FUE – Fuel Consumption
RPM – Revolutions Per Minute	TIM – Local time	MIN-Driving time
DIS – Driving Distance	MAP – Intake Pressure	OIT – Oil Temperature
A/F – Air-fuel Ratio	TCP – Turbine Pressure	PSI – Turbine Pressure
RTC – Real-Time Clock	ALS – Altitude	GPS – GPS satellite numbers
DIR-driving direction

Setting Mode(Menu mode)
Long press ‘OK’ button for 2 seconds to enter the setting item, press the’>’ button to increase the menu option, short press the ’M‘ button again to enter the parameter value, short press the’>’ or'<‘ button to adjust the parameter value, short press ‘OK’ button Confirm and return to the menu, press and hold ‘OK’ button for 2 seconds to save and exit

• Language Set: ( EN-English / CN – Simplified Chinese/ TW – Traditional Chinese)
• Screen angle setting: four-segment screen rotation 0-90-180-270
• Sound Switch: turn on/off the buzzer
• Speeding reminder: alarm when the vehicle speed reaches the set default value of 150KM/h, the setting range is 5-200km/h
• Engine temperature alarm :its default value 120 degrees C, range 50-200
• Engine speed alarm :its default value of 6000r/min ,range 1000-8000
• Voltage alarm setting :its default value of 10.5v,range 10.0-15.0v
• Speed adjustment: the operation is required only there is an error(e.g. instrument display 100 Km/h HUD shows 105Km/h, use default value 107-5=102)
• Speed zero :the vehicle speed does not return to 0 after the car stops (E.g. speed display 5Km/h, please adjust HUD to 6Km/h)
• Voltage adjustment: Fine-tuning when voltage is wrong with instrument panel voltage (If the device shows 0.2V above the meter voltage, the device is adjusted to 98%)
• Engine displacement: please adjust if there is too much deviation on the fuel consumption (E.g. make parameter value to 3.6L,if your car displacement is 3.6L)
• Fuel consumption: making a fine-tuning if there is an error (If the device shows 0.2L above the meter voltage, the device is adjusted to 98%)
• Backlight brightness: Auto automatic light sensitive, 1 for the darkest, 8 for the brightest Temperature unit: °C-Celsius °F-Fahrenheit
• Speed unit: Km/h: km, MPH: Miles
• Count mileage: total mileage synchronization(Keep it as same as dashboard, ex:odometer shows 30010km, adjust the parameter value to 30010km)
• Shutdown delay setting: the default is 10 seconds to shut down, when it is turned off while driving, it can be adjusted to more than 180 seconds
• Shutdown voltage setting: adjust to 13.2V or 13.6 voltage shutdown mode when unable to shutdown RPM is the default speed for shutdown, COM is the automatic start-stop mode and special mode for hybrid electric vehicles
• System time adjustment: it can be adjusted to local time, the default time is China time (GMT+8) Factory reset: the system restores to the factory preset values. After selecting this operation, press the ’M‘ button to confirm

Driving  test

• Acceleration test: kilometers acceleration refers to the seconds 0 to 100km/h,is a test of car power
• Brake test: the time and distance taken of a brake after the speed >100 , is a test of brake performance

Troubleshooting settings

• Scan fault code: Scanning the car for fault codes
• Clear fault code: Short press ‘OK’ to clear the fault code when the car has fault code
• Read the data stream: Show all the data in the car engine

Please note
It is recommended to unplug the device if your car doesn’t been used for more than one week.

FAQs

OBD2 F

No function is displayed, no power

Check whether the OBD cable is tight connection, pull down repeatedly to confirm, please try it on another car if still not workable ,analysis if it is an error from OBD diagnostic interface, if yes, please repair it and connect the device again.

Only the car voltage displays and be automatic power off after 30 second

This product is only applicable to OBDII and EOBD in OBD2 mode Automobile production year (OBDII and EOBD were only used in other regions after 2003and2007in other regions) The OBD2 mode of this product does not support OBD I and JOBD Please switch to the GPS system and use the USB cable to display, short press the ‘>’ buttonwithin5seconds of powering on to select the GPS system.

The device can not auto power off

Adjust the sleep voltage to 13.2V or 13.6V, then HUD will power off in 3 minutes.

Auto start- stop cars

The shutdown voltage setting in the system settings is adjusted to the COM mode, the automatics tart-stop and the special mode for gasoline-electric hybrid vehicles

GPS

The screen without any display ,and no power

Start the car engine check if the cable line is tight; or connect the USB to the computer to check

Without car Speed

After HUD power-on, the GPS will start to find the satellite. Please drive the car to the road. It will work once gets more than 5 satellite signals.

Cannot be turned on automatically or repeatedly extinguished during driving

Please use the USB cable to insert the cigarette lighter If you use the OBD cable, change the sleep voltage to 13.0V or 12.8V If use the USB cable, make the sleep voltage off.

Inaccurate time

Enter the setting items system time adjustment, Press ‘>’ to adjust the time zonetime, after adjustment, long press ‘OK’ to save and exit

Driving direction display error

After the vehicle speed exceeds 5KM/H, the direction can be displayed normally

Speed is still on display after the car stops

Satellite drift will be caused in underground parking,tunnel,overpass or blockers,please driveyourcar on open road,then this situation can be solved after the satellite numbers >5

Documents / Resources

MAIMEIMI P8 Multi Function Head Up Display [pdf] Instruction Manual P8 Multi Function Head Up Display, P8, Multi Function Head Up Display, Function Head Up Display, Head Up Display, Display

References

• User Manual