1. Introducció
The Mileseey D9 Pro is a professional-grade laser distance meter designed for precise and efficient measurements in various applications, from interior decoration to outdoor short-range tasks. It features advanced technologies such as dual visual alignment, Point-to-Point (P2P) measurement, and seamless integration with the "SMART LIFE" application for enhanced project management.
This manual provides detailed instructions on how to set up, operate, and maintain your D9 Pro device, ensuring optimal performance and longevity.
2. Contingut del paquet
Verifiqueu que tots els elements siguin presents al vostre paquet:
- Mileseey D9 Pro Laser Distance Meter
- Funda protectora
- Manual de producte
- Cable de càrrega USB-C
- Corda

Figure 2.1: Contents of the Mileseey D9 Pro package.
3. Dispositiu acabatview
Familiarize yourself with the main components and controls of your D9 Pro.

Figure 3.1: Mileseey D9 Pro device overview.
- 6.1 cm IPS Touch Screen: Backlit display for clear readability in various lighting conditions.
- Botó de mesura: Inicia les mesures.
- Botons d'accés ràpid: For settings and menu navigation.
- Visual Alignment Indicator: Ensures 100% co-axial alignment.
- Magnetic Support: Allows hands-free measurement on metallic surfaces.
- Interruptor de llanterna: Activates the integrated LED flashlight.
- Mg-Al Alloy Casing: Durable and ergonomic design.
4. Configuració i càrrega
4.1 Càrrega inicial
Before first use, fully charge the device. Connect the supplied USB-C cable to the charging port on the D9 Pro and to a standard USB power adapter (not included).
- Una càrrega completa triga aproximadament 3 hores.
- The 1800mAh rechargeable Li-on battery provides power for up to 30,000 measurements.

Figure 4.1: Charging the D9 Pro device.
4.2 Encès/Apagat
Mantén premut el botó d’engegada per engegar o apagar el dispositiu.
5. Instruccions de funcionament
The D9 Pro offers a wide range of measurement functions. Navigate through the modes using the touch screen and quick access buttons.
5.1 Selecció del punt de referència
The device can measure from different reference points:
- Vora frontal: Measures from the top edge of the device.
- Back Edge: Measures from the bottom edge of the device (standard setting).
- Aligning Laser Line: Measures from the laser emission point.
- Tripod Thread Hole Center: Measures from the center of the tripod mount.

Figure 5.1: Selecting the measurement reference point.
5.2 Modes de mesura bàsics
- Mesurament de distància única: Press the measurement button once to activate the laser, then again to take a single measurement.
- Mesura contínua (seguiment): Hold the measurement button to continuously measure distances, useful for finding minimum/maximum values or scanning.
- Mesura de l'àrea: Measure two sides to calculate the area.
- Mesura de volum: Mesura la longitud, l'amplada i l'alçada per calcular el volum.
5.3 Funcions de mesura avançades
- Dual Visual Alignment: The D9 Pro features unique bilateral laser reference lines, ensuring 100% co-axial alignment. This provides a clear visual reference for horizontal or inclined alignment and marking.
- Point-to-Point (P2P) Technology: This function allows you to measure the distance between two points from a single remote location, ideal for hard-to-reach areas or complex situations like measuring inclined frames or ceilings.
- Visualització d'angle en directe: The D9 Pro features a 360° angle sensor and an innovative live rotation angle display, providing real-time feedback and confirmation of angle measurements on any surface (inclined, vertical, horizontal).
- Funció de replanteig: Use this mode to mark specific intervals or points along a measured line.
- Automatic Rotating Display: The screen automatically rotates for easy viewen qualsevol orientació.
- Llanterna integrada: The 90 LM LED flashlight can be used independently of the measurement functions.

Figure 5.2: Dual Visual Alignment in action.

Figure 5.3: Measuring inaccessible areas with visual alignment.

Figure 5.4: P2P measurement of a window frame.

Figure 5.5: Live Angle Display on various surfaces.

Figure 5.6: Alignment at any angle using laser marking aids.

Figure 5.7: Continuous measurement and stake-out function.

Figure 5.8: Automatic display rotation.

Figure 5.9: Integrated 90 LM LED flashlight.
5.4 Smart Life App Integration
Connect your D9 Pro to the "SMART LIFE" application via Bluetooth for advanced project management and data export.
- Transferència de dades: Instantly transfer measured data to the app.
- Project Scanning: Drag and drop measured data onto hand-drawn plans or uploaded photos.
- Opcions d'exportació: Export data for use with PC programs, send original plans to clients, or create Excel spreadsheets for record-keeping.

Figure 5.10: Smart Life App integration for project management.
6. Manteniment
- Neteja: Utilitzeu un suau, damp drap per netejar el dispositiu. No utilitzeu productes de neteja abrasius ni dissolvents.
- Emmagatzematge: Store the device in its protective case in a dry, cool place when not in use.
- Cura de la bateria: Carregueu la bateria regularment, fins i tot si el dispositiu no s'utilitza amb freqüència, per mantenir-ne l'estat.
- Lent làser: Keep the laser emission and reception lenses clean and free from dust or debris for accurate measurements.
7. Solució De Problemes
7.1 Problemes comuns i solucions
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no s’encén. | Bateria baixa o mal funcionament del dispositiu. | Carrega el dispositiu. Si el problema persisteix, contacta amb el servei d'assistència. |
| Mesures inexactes. | Dirty laser lens, incorrect reference point, unstable surface, or extreme environmental conditions. | Clean the laser lens. Verify the selected reference point. Ensure a stable measurement surface. Avoid measuring in direct sunlight or highly reflective surfaces if possible. |
| Bluetooth connection issues with Smart Life app. | Bluetooth off, device not paired, or app issue. | Ensure Bluetooth is enabled on both devices. Re-pair the D9 Pro with the app. Restart the app and/or device. |
| Laser not visible in bright conditions. | Environmental lighting. | This is normal for laser devices. Use a target plate or measure in shaded areas for better visibility. |
8. Especificacions
| Característica | Especificació |
|---|---|
| Marca | Mileseey |
| Número de model | D9 |
| Interval de mesura | 0.2 ~ 100m |
| Precisió | ± 2 mm |
| Color | Negre |
| Material | Acrilonitril butadiè estirè (ABS) |
| Pes | 300 grams |
| Tipus de bateria | Rechargeable Li-on (1800mAh) |
| Nivell de resistència a l'aigua | IP54 (impermeable) |
| Ampliació màxima | 5x |
| Mostra | 6.1 cm IPS Touch Screen |
| Llanterna | 90 LM LED |
9. Garantia i Suport
9.1 Informació de la garantia
The Mileseey D9 Pro Laser Distance Meter comes with a 2 any de garantia des de la data de compra. Aquesta garantia cobreix els defectes de fabricació i els defectes de material en condicions d'ús normal. No cobreix els danys causats per un mal ús, accidents, modificacions no autoritzades o desgast normal.
9.2 Atenció al client
For technical assistance, warranty claims, or any questions regarding your Mileseey D9 Pro, please contact Mileseey customer support through their official website or the retailer where the product was purchased. Please have your purchase receipt and product model number (D9 Pro) ready when contacting support.







