1. Въведение
This manual provides detailed instructions for the installation, operation, and maintenance of your MAIMEIMI 85mm GPS Speedometer. Designed for a wide range of applications including cars, tractors, trucks, boats, and marine vessels, this speedometer features a clear TFT screen, IP67 waterproof rating, and a wide 9-32VDC working voltage range. Please read this manual thoroughly before installation and use to ensure proper function and safety.
2. Съдържание на пакета
След отваряне на пакета, моля, проверете дали са включени всички следващи елементи:
- 1 x GPS Speedometer (85mm / 3-3/8")
- 1 x GPS Antenna (3-meter cable length)
- 1 x Ръководство с инструкции

Image: Contents of the MAIMEIMI GPS Speedometer package.
3. Характеристики на продукта
- TFT Screen Display: Provides clear visibility of speed, odometer, trip meter, battery voltage, and course over ground (COG).
- Wide Voltage Диапазон: Operates on 9-32VDC, suitable for various vehicle types.
- Waterproof & Anti-fogging: IP67 rated for water and fog resistance, ensuring reliable performance in challenging environments.
- Multiple Unit Switching: Easily switch between kilometers per hour (km/h), miles per hour (mph), and knots (rounded to one decimal).
- Придобиване на GPS сигнал: Initial signal acquisition takes approximately 30 seconds, with faster connections under clear skies.
- Odometer & Trip Meter: Odometer (0-999999km) is adjustable via the back button. Trip meter (0-999.9km) resets when power is off.
- Orientation Pointer: Displays Course Over Ground (COG) for directional awareness.

Image: Detailed display information of the GPS Speedometer.

Image: The speedometer undergoing a waterproof test.
4. Настройка и инсталация
Follow these steps for proper installation of your GPS Speedometer:
- Подгответе отвора за монтаж: Open an 85mm (3 3/8") diameter hole in your panel. Ensure there is a 55mm (2 3/16") depth clearance behind the panel for the gauge body.
- Поставете манометъра: Carefully place the speedometer into the prepared hole.
- Закрепете манометъра: Use the provided mounting ring to screw down and secure the gauge firmly in place.
- Свързване на кабели:
- Connect the Black wire to Ground (-).
- Connect the Red wire to 9-30VDC power supply.
- Свържете GPS антена: Plug the GPS antenna into the designated port on the back of the speedometer. The GPS antenna can be optionally mounted using 3M double-sided tape.

Image: Front and back dimensions of the GPS Speedometer.

Image: Basic wiring diagram for the speedometer.

Image: Step-by-step installation guide for the gauge.
5. Инструкции за работа
Once installed and powered, the speedometer will begin searching for a GPS signal. After acquiring a signal, it will display speed and other data.
- Превключване на единици: To change the speed unit (km/h, mph, or knots), press the button located on the back of the speedometer. The unit will cycle through the options and save automatically.
- Odometer Adjustment: The odometer value can be adjusted using the button on the back.
- Измервател на пътуването: The trip meter automatically resets to zero when the power is turned off.

Image: Display showing selectable speed units.
Video: Demonstration of the 85mm GPS Speedometer, including unit switching and waterproof features.
6. Поддръжка
To ensure the longevity and optimal performance of your GPS Speedometer, follow these general maintenance guidelines:
- Regularly clean the screen and bezel with a soft, damp плат. Избягвайте абразивни почистващи препарати.
- Уверете се, че всички кабелни връзки са здрави и без корозия.
- Periodically check the GPS antenna for any damage or obstruction to maintain signal integrity.
- While the unit is IP67 waterproof, avoid prolonged submersion or high-pressure water jets.
7. Отстраняване на проблеми
If you encounter any issues with your GPS Speedometer, consider the following common solutions:
- Няма GPS сигнал: Уверете се, че GPS антената има чист view of the sky. Obstructions can block the signal. Allow up to 30 seconds for initial signal acquisition.
- Incorrect Speed Reading: Verify that the correct unit (km/h, mph, knots) is selected. If the issue persists, ensure the GPS antenna is securely connected.
- Дисплеят не работи: Check all power connections to ensure they are secure and receiving the correct voltage (9-32 VDC).
- Бутоните не реагират: Ensure the unit is clean and free from debris around the buttons.
Ако проблемите продължават след изпълнението на тези стъпки, моля, свържете се с отдела за обслужване на клиенти за допълнителна помощ.
8. Спецификации
| Спецификация | детайл |
|---|---|
| Размери на продукта | 3.82 x 3.78 x 2.2 инча; 10.88 унции |
| Работен томtage | 9-32VDC |
| Водоустойчив рейтинг | IP67 |
| Материал | Stainless Steel, Plastic, Anti-Fogging Glass |
| Диапазон на скоростта | 0-600 км/ч |
| Обхват на километража | 0-999999 km (adjustable) |
| Trip Meter Range | 0-999.9 km (resets on power off) |
| производител | МАЙМЕИМИ |
9. Гаранция и поддръжка
For warranty information or technical support, please refer to the contact details provided with your purchase documentation or visit the official MAIMEIMI webсайт. Запазете доказателството си за покупка за евентуални гаранционни рекламации.





