1. Introducció
This user manual provides essential instructions for the safe and efficient operation of your HOTO H-D50 Smart Laser Measure. Please read this manual thoroughly before using the device to ensure proper functionality and to prevent damage or injury. Keep this manual for future reference.
2. Informació de seguretat
The HOTO H-D50 is a Class 2 laser product. Observe the following safety precautions:
- No mireu directament el raig làser.
- No apunteu el raig làser cap a persones o animals.
- Do not disassemble or modify the device. Unauthorized modifications may result in hazardous radiation exposure.
- Mantingueu el dispositiu fora de l'abast dels nens.
- Use the device only for its intended purpose as a distance measuring tool.
- Eviteu utilitzar el dispositiu en ambients explosius o a prop de materials inflamables.
- Protect the device from extreme temperatures, strong vibrations, and direct sunlight.
3. Producte acabatview
The HOTO H-D50 Smart Laser Measure features a compact design with a clear display and a single multi-function button for operation.

Figura 1: Davant view of the HOTO H-D50 Smart Laser Measure. The device is black with a large digital display showing measurement values in meters, a battery indicator, and an angle measurement. A circular button is located below the display. The side features a white accent with "Designed by HOTO" text.
3.1 Components
- Emissor/receptor làser: Situat a la part superior del dispositiu.
- Pantalla de visualització: Shows measurements, battery status, and other indicators.
- Botó multifunció: For power, measurement, and mode selection.
- Port de càrrega USB-C: Located on the side for recharging the internal battery.
- Forat del cordó: Per enganxar una corretja de canell o un cordó.
3.2 Indicadors de visualització
- Indicador de bateria: Mostra la durada restant de la bateria.
- Mesura de l'angle: Displays the current tilt angle of the device.
- Measurement Values: Shows current and previous distance readings.
- Indicador d'unitat: Displays the current unit of measurement (e.g., 'm' for meters).
- Indicador Bluetooth: Appears when connected to a smart device.
4. Configuració
4.1 Càrrega del dispositiu
The HOTO H-D50 has an internal rechargeable battery. Before first use, fully charge the device.
- Locate the USB-C charging port on the side of the device.
- Connect a standard USB-C cable to the device and the other end to a USB power adapter (not included) or a computer USB port.
- The battery indicator on the display will show charging status. Once fully charged, the indicator will show a full battery icon.
4.2 Encès inicial
Press and hold the multi-function button for approximately 2 seconds to power on the device. The display will light up.
5. Instruccions de funcionament
5.1 Encès/Apagat
- Encès: Manteniu premut el botó multifunció durant 2 segons.
- Apagar: Press and hold the multi-function button for 3 seconds. The device will also automatically power off after a period of inactivity to conserve battery.
5.2 Mesura única
To take a single distance measurement:
- Assegureu-vos que el dispositiu estigui encès.
- Point the laser emitter at the target surface.
- Press the multi-function button once. The laser will activate, and the measurement will be displayed on the screen.
5.3 Mesura contínua (seguiment)
For continuous measurement, allowing you to move the device and see real-time distance updates:
- From standby, quickly double-press the multi-function button.
- The device will enter continuous measurement mode, displaying real-time distances as you move it.
- Press the multi-function button once to exit continuous measurement mode.
5.4 Connexió Bluetooth
The HOTO H-D50 can connect to a smartphone via Bluetooth for enhanced features and data management through the HOTO app.
- Download and install the official HOTO app on your smartphone.
- Assegureu-vos que el Bluetooth estigui habilitat al vostre telèfon intel·ligent.
- Power on the HOTO H-D50.
- Open the HOTO app and follow the on-screen instructions to pair your device. A Bluetooth icon will appear on the laser measure's display once successfully connected.
5.5 Canvi del punt de referència de mesura
The device typically measures from its base. Refer to the HOTO app for options to change the measurement reference point (e.g., from the front of the device).
6. Manteniment
- Neteja: Utilitzeu un suau, damp drap per netejar el dispositiu. No utilitzeu productes de neteja abrasius ni dissolvents. Assegureu-vos que la lent del làser estigui neta per obtenir mesures precises.
- Emmagatzematge: Guardeu el dispositiu en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
- Bateria: If storing for an extended period, charge the device periodically to maintain battery health.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no s'encén. | Bateria baixa. | Carregueu el dispositiu mitjançant el port USB-C. |
| Mesures inexactes. | Dirty laser lens; unstable surface; measurement beyond range; strong light interference. | Clean the laser lens; ensure stable measurement surface; check measurement range; avoid strong light. |
| La connexió Bluetooth falla. | Bluetooth not enabled on phone; app not open; device too far from phone. | Ensure phone Bluetooth is on; open HOTO app; bring devices closer; restart both devices. |
| La pantalla està en blanc o congelada. | Error de programari. | Press and hold the multi-function button for 10 seconds to force a restart. |
8. Especificacions
| Model | H-D50 |
| Interval de mesura | Fins a 50 metres |
| Connectivitat | Bluetooth |
| Material | ABS, Polycarbonate |
| Color | Negre |
| Dimensions | 10 x 5 x 1.27 cm |
| Pes | 90 grams |
| Classificació de protecció internacional | IP54 |
9. Garantia i Suport
For warranty information and customer support, please refer to the warranty card included with your product or visit the official HOTO weblloc web. Conserveu el rebut de compra com a comprovant de compra per a reclamacions de garantia.





