1. Ifihan
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. Package Awọn akoonu
Nigbati o ba ṣii package rẹ, jọwọ rii daju pe gbogbo awọn nkan wọnyi wa pẹlu:
- 1 x GPS Speedometer (85mm / 3-3/8")
- 1 x GPS Antenna (3-meter cable length)
- 1 x Ilana itọnisọna

Image: Contents of the MAIMEIMI GPS Speedometer package.
3. Awọn ẹya Ọja
- TFT Screen Display: Provides clear visibility of speed, odometer, trip meter, battery voltage, and course over ground (COG).
- Jakejado Voltage Ibiti: 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).
- GPS Signal Acquisition: 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. Eto ati fifi sori
Follow these steps for proper installation of your GPS Speedometer:
- Mura Iho iṣagbesori: 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.
- Fi Gauge sii: Carefully place the speedometer into the prepared hole.
- Secure the Gauge: Use the provided mounting ring to screw down and secure the gauge firmly in place.
- Asopọmọra Waya:
- Connect the Black wire to Ground (-).
- Connect the Red wire to 9-30VDC power supply.
- So Antenna GPS pọ: 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. Awọn ilana Iṣiṣẹ
Once installed and powered, the speedometer will begin searching for a GPS signal. After acquiring a signal, it will display speed and other data.
- Yipada Ẹka: 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.
- Mita Irin-ajo: 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. Itọju
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 asọ. Yago fun abrasive ose.
- Rí i dájú pé gbogbo àwọn ìsopọ̀ wáyà wà ní ààbò àti láìsí ìbàjẹ́.
- 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. Laasigbotitusita
If you encounter any issues with your GPS Speedometer, consider the following common solutions:
- Ko si ifihan agbara GPS: Rii daju pe eriali GPS ni gbangba 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.
- Ifihan Ko Ṣiṣẹ: Check all power connections to ensure they are secure and receiving the correct voltage (9-32VDC).
- Awọn bọtini Ko dahun: Ensure the unit is clean and free from debris around the buttons.
Ti awọn iṣoro ba tẹsiwaju lẹhin igbiyanju awọn igbesẹ wọnyi, jọwọ kan si atilẹyin alabara fun iranlọwọ siwaju.
8. Awọn pato
| Sipesifikesonu | Ẹ̀kúnrẹ́rẹ́ |
|---|---|
| Ọja Mefa | 3.82 x 3.78 x 2.2 inches; 10.88 iwon |
| Ṣiṣẹ Voltage | 9-32VDC |
| Mabomire Rating | IP67 |
| Ohun elo | Stainless Steel, Plastic, Anti-Fogging Glass |
| Iyara Ibiti | 0-600 km / h |
| Iwọ̀n Odometer | 0-999999 km (adjustable) |
| Trip Meter Range | 0-999.9 km (resets on power off) |
| Olupese | MAIMEIMI |
9. Atilẹyin ọja ati Support
For warranty information or technical support, please refer to the contact details provided with your purchase documentation or visit the official MAIMEIMI webojula. Jeki ẹri rira rẹ fun eyikeyi awọn ibeere atilẹyin ọja.