HUD short for Head Up Display.It displays driving datas on the front windshield such as speed,RPM,water temperature,voltage single mileage etc on the car front window glass;avoiding drivers unsafety because of watching the instrument while driving.Drivers can read the driving information instantly , and can always keep the best state on the way with HUD.

Technical Parameters
1.Working environment:
Environment temperature: - 40 0C- +80 0C    Barometric press: 86-106KPa
Relative humidity:10%-95%                 Environment voice:<=60dB
2.Work voltage:11V~18Vdc(12Vdc/200mA)     3.Sleep current:<=30mA
4.Display way:projector                     5.Display channel :LED Display
6.Reflector transmittance: 98%               7.Virtual image distance: 55 mm

Troubleshooting
1.The screen without any display, and no power
Start the car engine; check if the OBD cable line is tight; please pull down the OBD cables more times to ensure; check if HUD power switch turns on. If still no display, please change another car to test, analyze whether the car OBD diagnostic interface is good, if it is not good, please repair it and try again.

2.When HUD power on, HUD only shows the car voltage and be automatic power off after 30 seconds driving.
HUD just available for cars with OBD2 agreement and EU-OBD agreement(European region: after 03 years, Other region: after 07 years)
HUD Products donnot support JOBD and OBDI and recommended test for another car.

3.Wrong operation lead to crashes 
Do a factory reset.
When HUD is power on, long press in the setting button for 5 seconds to enter into the menu setting mode, short press in the button for 11 times to menu 11,the default value is 0,short pull up or pull down to change it at 1,then long press in the button for 5 seconds to save and exit
 
4.Inaccurate Speed  
a. First check the speed unit is correct or not, the speed unit including KM/H and MPH, set it at the correct one(refer to menu 9)
b. When HUD is power on, vertical press the setting button for 5 seconds to enter into the menu 1 and the parameter shows 107,up or down the setting button to increase or decrease the value according to the difference until it shows correct one. After adjustment, vertical press in 5 seconds to save it.

5. The car are with Automatic start/stop system
Once the vehicle engine stopped,the HUD will shutdown. It can delay the shutdown time to 199s,please refer to the menu setting 10.
 
6.HUD can not auto power off(RPM or Speed not at O)
When HUD is power on,long press in the button for 5 seconds to enter into menu,set to menu 9. Change the voltage from 0 to 13.2V. Once the adjustment finished,long press in the setting button for 5 seconds to save and exit.