1. Rhagymadrodd
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. Cynnwys Pecyn
Wrth agor eich pecyn, gwiriwch fod yr holl eitemau canlynol wedi'u cynnwys:
- 1 x GPS Speedometer (85mm / 3-3/8")
- 1 x GPS Antenna (3-meter cable length)
- 1 x Llawlyfr Cyfarwyddiadau

Image: Contents of the MAIMEIMI GPS Speedometer package.
3. Nodweddion Cynnyrch
- TFT Screen Display: Provides clear visibility of speed, odometer, trip meter, battery voltage, and course over ground (COG).
- Cyfrol Eangtage Ystod: 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).
- Caffael Signal GPS: 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. Gosod a Gosod
Follow these steps for proper installation of your GPS Speedometer:
- Paratowch y Twll Mowntio: 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.
- Insert the Gauge: Carefully place the speedometer into the prepared hole.
- Sicrhewch y Mesurydd: Use the provided mounting ring to screw down and secure the gauge firmly in place.
- Cysylltu Wiring:
- Connect the Black wire to Ground (-).
- Connect the Red wire to 9-30VDC power supply.
- Cysylltu Antena GPS: 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. Cyfarwyddiadau Gweithredu
Once installed and powered, the speedometer will begin searching for a GPS signal. After acquiring a signal, it will display speed and other data.
- Newid Uned: 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.
- Mesurydd Taith: 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. cynnal
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 brethyn. Osgoi glanhawyr sgraffiniol.
- Sicrhewch fod yr holl gysylltiadau gwifrau yn parhau'n ddiogel ac yn rhydd rhag cyrydiad.
- 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. Datrys Problemau
If you encounter any issues with your GPS Speedometer, consider the following common solutions:
- Dim signal GPS: Sicrhewch fod gan yr antena GPS oleuni clir view of the sky. Obstructions can block the signal. Allow up to 30 seconds for initial signal acquisition.
- Darllen Cyflymder Anghywir: Verify that the correct unit (km/h, mph, knots) is selected. If the issue persists, ensure the GPS antenna is securely connected.
- Arddangos Ddim yn Gweithio: Check all power connections to ensure they are secure and receiving the correct voltage (9-32VDC).
- Botymau nad ydynt yn ymateb: Ensure the unit is clean and free from debris around the buttons.
Os yw problemau'n parhau ar ôl rhoi cynnig ar y camau hyn, cysylltwch â chymorth cwsmeriaid i gael rhagor o gymorth.
8. manylebau
| Manyleb | Manylyn |
|---|---|
| Dimensiynau Cynnyrch | 3.82 x 3.78 x 2.2 modfedd; 10.88 owns |
| Gweithio Cyftage | 9-32VDC |
| Graddfa dal dwr | IP67 |
| Deunydd | Stainless Steel, Plastic, Anti-Fogging Glass |
| Ystod Cyflymder | 0-600 km/awr |
| Odometer Range | 0-999999 km (adjustable) |
| Trip Meter Range | 0-999.9 km (resets on power off) |
| Gwneuthurwr | MAIMEIMI |
9. Gwarant a Chefnogaeth
For warranty information or technical support, please refer to the contact details provided with your purchase documentation or visit the official MAIMEIMI websafle. Cadwch eich prawf prynu ar gyfer unrhyw hawliadau gwarant.