Zavedení
This manual provides detailed instructions for the installation, operation, and maintenance of your VJOYCAR Universal GPS Speedometer HUD. This device is designed to display real-time driving speed, time, and direction using GPS satellite signals, offering a universal solution for various vehicles including cars, trucks, SUVs, motorcycles, boats, and golf carts. It features a clear digital display with multiple color options and essential alerts for over-speeding.
Co je v krabici
- GPS Speedometer Display Unit
- USB to Type-C Power Cable (2m)
- Protiskluzová podložka
- Uživatelská příručka

Image: Packaging list showing the host unit, gift box, 2m USB cable, non-slip mat, and user manual.
Klíčové vlastnosti
- Universal GPS Speedometer: Collects speed data directly from GPS satellites, ensuring compatibility with all vehicle types without connection to the car's engine or ECU.
- HUD Display Functionality: Displays real-time driving speed when moving and local time when stationary. Designed to stand on the dashboard.
- Switchable Speed Units: Easily switch between Kilometers per Hour (KM/H) and Miles per Hour (MPH) with a single button press.
- Over Speed Alert: Customizable alert setting (0-120). The display will flash when the set speed limit is exceeded. Setting to 0 disables the alert.
- 7-Color Display Options: Choose from 7 different display colors to personalize your device.
- Automatické zapnutí/vypnutí: The device automatically powers on when your car's ACC (Accessory) power is detected and turns off when the ACC is off. No internal battery.
- Instalace Plug and Play: Simple setup using the provided Type-C USB cable for power supply from a car USB port or adapter. No professional installation required.
- GPS Compass: Accurately displays the driving direction (N-North, S-South, W-West, E-East).
Nastavení
- Umístění: Place the GPS Speedometer HUD on your vehicle's dashboard. Use the provided anti-slip mat to secure the device and prevent movement during driving. Ensure the device has a clear view oblohy pro optimální příjem signálu GPS.
- Připojení napájení: Connect the Type-C end of the provided USB cable to the Type-C power connector on the GPS Speedometer.

Image: Plug and Play connection with USB and Type-C cable.
- Zdroj napájení: Connect the USB end of the cable to a car USB port or a car adapter (not included) to supply power to the device.
- Initial GPS Signal Acquisition: Upon first use, or after a long period of inactivity, the device may take 5-10 seconds to acquire a GPS signal. Ensure the vehicle is in an open area for faster signal lock. The device will display "---" or similar while searching for a signal.
Návod k obsluze
Basic Display Modes
- Driving Speed Display: When the vehicle is moving, the device will automatically display the real-time driving speed in the selected unit (MPH or KM/H).
- Local Time Display: When the vehicle is stationary, the device will automatically display the local time.
- Driving Direction (Compass): The device displays the car's driving direction (N, S, E, W) alongside the speed or time.

Image: Display modes for clock, speed, and compass.
Switching Speed Units (KM/H & MPH)
To switch between Kilometers per Hour (KM/H) and Miles per Hour (MPH):
- Stiskněte tlačítko levé tlačítko (Setting Button ①) once. The display will toggle between KM/H and MPH.

Image: KM/H & MPH Switch Freely.
Changing Display Colors
The device offers 7 different display colors:
- Stiskněte tlačítko pravé tlačítko (Setting Button ②) once to cycle through the 7 available colors.

Image: Multiple Colors & Switch Freely, showing 7 color options.
Setting Over Speed Alert
The default over speed alert is set to 120 KM/H or MPH. You can adjust this setting:
- To enter the setting mode for over speed alert, press and hold the levé tlačítko (Setting Button ①) for approximately 3 seconds. The current alert value will flash.
- Stiskněte tlačítko levé tlačítko repeatedly to increase the alert value.
- Stiskněte tlačítko pravé tlačítko (Setting Button ②) repeatedly to decrease the alert value.
- To save the setting and exit, press and hold the levé tlačítko again for 3 seconds, or wait for 5 seconds for it to automatically save and exit.
- Setting the value to 0 will turn off the over-speed alert function.
When the set speed limit is exceeded, the digital display will flash to alert the driver.

Image: Overspeed Alert indication.
Automatic Switch On/Off
The device is designed for automatic operation:
- It will automatically turn on when your car's ACC (Accessory) power is detected.
- It will automatically turn off when your car's ACC power is off.
Poznámka: This device does not contain an internal battery and relies solely on external power from the vehicle's USB port or adapter.

Image: Automatic Switch on/off with car starting and stopping.
Kompatibilita
The VJOYCAR Universal GPS Speedometer is 100% universal and compatible with all vehicles that have a USB power source. This includes, but is not limited to:
- Cars (Gasoline, Hybrid, EV)
- Trucks / Pickups
- SUV
- Motocykly
- Autobusy
- Golfové vozíky
- Lodě
- Skútry
- Vlaky
Specifikace
| Atribut | Hodnota |
|---|---|
| Značka | VJOYCAR |
| Číslo modelu | B0DN6CDVDJ |
| Materiál | Akrylonitrilbutadienstyren (ABS) |
| Rozměry produktu (D x Š x V) | 4.57 x 0.79 x 0.98 palce (přibližně 118 x 20 x 25 mm) |
| Hmotnost položky | 3 unce (85 gramů) |
| Vstup napájení | DC 5V (via Type-C USB) |
| Pracovní teplota | -30 až 70 stupňů Celsia |
| UPC | 610521672824 |

Image: Product dimensions and button layout.
Údržba
- Udržujte zařízení čisté otíráním měkkým, suchým hadříkem. Nepoužívejte abrazivní čisticí prostředky ani rozpouštědla.
- Ensure the Type-C port and USB cable are free from dust and debris to maintain a reliable connection.
- Pokud zařízení delší dobu nepoužíváte, skladujte jej na chladném a suchém místě.
- Avoid exposing the device to extreme temperatures or direct sunlight for prolonged durations, as this may affect its performance and lifespan.
Odstraňování problémů
| Problém | Možná příčina | Řešení |
|---|---|---|
| Zařízení se nezapne. | No power supply; loose cable connection; car ACC is off. | Ensure the USB cable is securely connected to both the device and a powered USB port. Verify the car's ACC is on. Try a different USB port or adapter. |
| No speed display / Display shows "---". | No GPS signal; weak GPS signal. | Ensure the vehicle is in an open area with a clear view of the sky. Wait 5-10 seconds for GPS signal acquisition. Avoid placing the device under metallic objects that might block signals. |
| Rychlé čtení je nepřesné. | Temporary GPS signal fluctuation; environmental interference. | GPS speedometers are generally accurate. Minor discrepancies (e.g., 1-2 MPH) can occur due to signal conditions. Ensure the device has a stable GPS lock. |
| Over-speed alert not working. | Alert setting is off (set to 0). | Refer to the "Setting Over Speed Alert" section to ensure the alert value is set above 0. |
| Display color does not change. | Bylo stisknuto nesprávné tlačítko. | Ujistěte se, že stisknete tlačítko pravé tlačítko (Setting Button ②) to cycle through colors. |
Záruka a podpora
VJOYCAR provides a warranty for this product. If you encounter any questions or issues during usage, please do not hesitate to contact VJOYCAR customer support. Refer to the contact information provided in the original product packaging or on the VJOYCAR official webmísto pro pomoc.
For further support, you may visit the VJOYCAR store on Amazon: VJOYCAR Store





