Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your LENVII R999 Mini Wireless Barcode Scanner. Please read this manual thoroughly before using the device to ensure proper functionality and to prevent damage.
Produit terminéview
The LENVII R999 is a versatile 3-in-1 barcode scanner designed for various applications. It supports 1D and 2D barcodes, including QR codes, and offers multiple connection modes for flexible use.

Figure 1 : LENVII R999 Barcode Scanner Appearance Details. This image highlights key components: the scan window, indicator light, trigger button, and the data interface/charging port at the base.
- Fenêtre de numérisation : La zone par laquelle le scanner lit les codes-barres.
- Voyant lumineux : Provides visual feedback on scanner status (e.g., connection, battery, scan success).
- Déclenchement: Active la fonction de numérisation.
- Data Interface and Charging Port: Used for wired connection and charging the device.
Installation
Modes de connexion
The LENVII R999 scanner offers three connection modes: 2.4GHz Wireless, USB Wired, and Bluetooth. No driver installation is required for any mode.

Figure 2 : Three available connection modes for the LENVII R999 scanner: 2.4GHz Wireless, USB Wired, and Bluetooth. Each mode is depicted with an icon and an example device.
- Connexion sans fil 2.4 GHz :
Plug the provided 2.4GHz USB dongle into your computer or device. The scanner will automatically connect. This mode offers a transmission distance of up to 50m (164ft) in barrier-free environments and 20m (66ft) with obstacles.
- Connexion filaire USB :
Connect the scanner directly to your computer using the USB cable. The scanner will function as a wired device and charge simultaneously.
- Connexion Bluetooth:
Turn on the scanner and activate Bluetooth pairing mode (refer to the scanner's quick start guide for specific steps). Rechercher "LENVII R999" on your host device (PC, laptop, tablet, smartphone) and pair. This mode offers a transmission distance of up to 30m (98ft) in barrier-free environments and 15m (49ft) with obstacles.
Compatibilité du système
The LENVII R999 scanner is highly compatible with various operating systems, allowing for flexible integration into your existing setup.

Figure 3 : The LENVII R999 scanner demonstrates high compatibility with various operating systems, including Windows (7/8/10/XP), iOS, Android, Mac OS, and Linux, connecting to PCs, POS systems, laptops, tablets, iPads, and smartphones.
- Systèmes d'exploitation pris en charge : Windows (7/8/10/XP), iOS, Android, Mac OS, Linux.
- Appareils compatibles : PC, systèmes de point de vente, ordinateurs portables, tablettes, iPads, smartphones.
Mode d'emploi
Numérisation de codes-barres
The scanner supports a wide range of 1D and 2D barcode types, including QR codes, and can scan directly from screens.

Figure 4 : The LENVII R999 scanner supports various 1D and 2D QR code types, including One Dimensional, Incomplete, High Density, Deformation, Border, PDF417, Minitype, QR Code, and DataMatrix.
- Types de codes-barres pris en charge : One Dimensional, Incomplete, High Density, Deformation, Border, PDF417, Minitype, QR Code, DataMatrix.
- Screen Scan: The scanner is capable of reading barcodes directly from digital screens.
- Procédure de numérisation : Point the scan window at the barcode and press the trigger button. A successful scan will typically be indicated by an audible beep and/or a change in the indicator light.
Modes de transfert de données
The LENVII R999 offers two primary data transfer modes to suit different operational needs.

Figure 5 : The LENVII R999 scanner supports two data transfer modes: Instant Upload Mode, where scanned data is immediately sent to the connected device, and Offline Storage Mode, where data is stored internally for later upload.
- Mode de téléchargement instantané : Scanned data is immediately transmitted to the connected host device. This is ideal for real-time inventory management or point-of-sale operations.
- Mode de stockage hors ligne : Scanned data is stored internally in the scanner's memory. This mode is useful when working out of range of a host device. Data can be uploaded later when the scanner is reconnected.
Refer to the scanner's quick start guide or advanced settings for instructions on switching between these modes.
Entretien
Gestion de la batterie
The LENVII R999 is equipped with a 1200mAh Lithium Ion battery, providing extended continuous use and standby time.

Figure 6 : The LENVII R999 barcode scanner features a 1200mAh battery, offering significantly longer operational time compared to scanners with 500mAh batteries.
- Chargement : Connect the scanner to a power source using the provided USB cable. The indicator light will show charging status.
- Autonomie de la batterie : A fully charged battery provides prolonged operation. Actual battery life may vary based on usage patterns.
- Stockage: If storing the scanner for an extended period, ensure the battery is partially charged (around 50%) to maintain battery health.
Nettoyage
Pour garantir des performances optimales, maintenez le scanner propre.
- Fenêtre de numérisation : Gently wipe the scan window with a soft, lint-free cloth. For stubborn dirt, slightly dampNettoyez le chiffon avec de l'eau ou un nettoyant doux non abrasif. Évitez les produits chimiques agressifs.
- Extérieur: Nettoyer l'extérieur casing avec un chiffon doux et sec.
- Éviter: Do not immerse the scanner in water or use abrasive materials.
Dépannage
If you encounter issues with your LENVII R999 scanner, refer to the following common problems and solutions:
| Problème | Cause possible | Solution |
|---|---|---|
| Le scanner ne s'allume pas. | Batterie faible ou problème d'alimentation. | Charge the scanner using the provided USB cable. Ensure the cable and power source are working. |
| Le scanner ne se connecte pas via Bluetooth/2.4 GHz. | Hors mode appariement, hors de portée ou en cas d'interférence. | Ensure the scanner is in the correct pairing mode. Check the distance to the host device. Remove potential sources of interference. Re-pair the device. |
| Le scanner ne lit pas les codes-barres. | Barcode damaged, poor lighting, scan window dirty, or incorrect barcode type settings. | Ensure the barcode is clear and undamaged. Provide adequate lighting. Clean the scan window. Verify the scanner is configured for the specific barcode type. |
| Les données scannées sont incorrectes ou incomplètes. | Partial scan, incorrect data format settings. | Ensure a complete scan of the barcode. Check the scanner's configuration for data formatting. |
Si le problème persiste, veuillez contacter le service client.
Caractéristiques
Key technical specifications for the LENVII R999 Mini Wireless Barcode Scanner:
- Numéro de modèle : R999
- Marque: LENVII
- Technologie de connectivité: Bluetooth, sans fil 2.4 GHz, USB filaire
- Source d'alimentation : Alimenté par batterie
- Type de batterie : 1 Lithium Ion battery (1200mAh capacity)
- Poids: Approximately 130g (as indicated in product imagery)
- Codes-barres pris en charge : 1D and 2D (including QR Code, DataMatrix, PDF417, etc.)
- Transmission Distance (Bluetooth): Up to 30m (98ft) barrier-free, 15m (49ft) with obstacles.
- Transmission Distance (2.4GHz Wireless): Up to 50m (164ft) barrier-free, 20m (66ft) with obstacles.
- Compatibilité: Windows (7/8/10/XP), iOS, Android, Mac OS, Linux.

Figure 7 : The LENVII R999 barcode scanner is designed for portability, featuring a mini size and a weight of approximately 130g, making it suitable for various scenarios such as retail, warehousing, and libraries.
Garantie et assistance
For warranty information, technical support, or further assistance, please contact the manufacturer or your point of purchase.
You may also visit the official LENVII store for support and product information: LENVII Official Store