AMHVMU M22 Car Head up Display User Manual

HUD Car Head Up Display——GPS M22

This product design patent and display images copyright had been registered with customs record）

Product Introduction：

HUD short for Head Up Display,the main function is to display the car dashboard information (e.g.speed,RPM,water temperature,voltage,trip distance etc ),and keep the driver eyes always on road to avoid the dangerous of lowering down head to read the dashboard.

Product function:

1. Compass (W= West N =North E= East S= South)
2. Decorative lights
3. RPM icon
4. Speeding alarm icon
5. Automatic photosensitive hole
6. Multi-function display
7. TIME =clock MIN= driving time TRIP =driving mileage
8. Vehicle speed
9. Speed unit: km/h= Kilometer unit MPH= miles

Button functions：

Short press (1 second)
Long press 5s until the display image comes

1. Power Button: Long press to turn off, again to turn on
2. **** Button:Volume reduction and off under normal display (reduce the parameter value after entering the setting item)
3. Button:Increase the volume (increase the parameter value after entering the setting item)
4. M ” Button: To switch the function(driving time, driving distance, clock)
   Long Press: Enter setting mode,again to save and exit.

Enter Setting Mode:
Long press M button to enter setting mode, short press M button to change the menu(1-6), short press button to change the parameter value, long press M button to save and exit after adjust. (Refer to the sheet below to enter the setting)

Menu| Funtion| Ajust Range| Explanation| Default value| Setting screen (Windshield Display)
---|---|---|---|---|---
1| Overspeed alarm settings| 30-250| Overspeed alarm is 150KM / H,users can freely set this value| 130|
2| Clock calibration| 10:00-12:00| (1) Display before searching Satellite adjust according to the time zone (2)after searching Satellite,adjust according to the time| 8.00|
3| Brightness level| 1-9| 1-9 adjustment in different
environments| 0|
4| Speed| 1-5| Adjust the parameter value when there is an error between HUD and dashboard. Ex:dashboard displays 100 KM, HUD displays 105 KM. Please adjust the parameter value to 1-5| 0|
5| Speed unit| 0-1| 0=KM i.mPH| 0|
6| Factory reset| 0-1| The default value is 0. After adjusting to 1, long press M
button for 2s to save and exit.| 0|

GPS Troubleshooting

1. Nothing on the screen, no power
   The working voltage of this product: 11V~18Vdc (12Vdc/200mA), it is forbidden to use cars with voltage exceeding 18V
   Check whether the car charging line is tight or damaged, and replace it with a new one.

2. No speed
   GPS blinks for searching numbers ongoing.Please move the car to wide road. It will work after GPS light steady.

3. Inaccurate speed

4. Check if the speed unit is correct, km:KM/H, mile:MPH (Menu: item 5)

5. Enter the menu item 4 to fine-tune the vehicle speed. For example, the instrument displays 100Km/h HUD and the 105Km/h pulley to fine-tune the parameter value (range 1-5).

6. Driving direction is wrong or keep changing
   Driving direction will go normal after the vehicle speed exceeds 5KM / H

7. Speed is still displayed after the car stops
   Unstable signal drift will happen in underground parking lots,tunnels and overpasses.Please drive your car to wide road,it will go normal when the satellite numbers > 5.

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