1. Introduzione
This manual provides detailed instructions for the setup, operation, and maintenance of your symcode Industrial 433Mhz Wireless Barcode Scanner, Model MJ-2020-370LB. This device features both Bluetooth 6.0 and 433Mhz wireless connectivity, an IP65 drop-proof design, and a convenient charging cradle. It is designed for efficient barcode scanning in various industrial and commercial environments.
2. Contenuto della confezione
Si prega di verificare che tutti gli articoli siano presenti nel pacco:
- Lettore di codici a barre (x1)
- 433Mhz Base (x1)
- Manuale utente (x1)
3. Prodotto finitoview
The symcode MJ-2020-370LB barcode scanner is engineered for durability and ease of use. It features an ergonomic design with a curved, thickened handle and a smooth trigger for comfortable grip during extended operation. The scanner is accompanied by a charging cradle that also serves as the 433Mhz wireless receiver.

Image 3.1: The symcode MJ-2020-370LB barcode scanner resting in its charging cradle, with a USB cable for connection.
4. Impostazione
4.1. Caricamento dello scanner
The scanner is equipped with an 1800mAh high-capacity rechargeable Lithium Polymer battery. Before initial use, fully charge the scanner.
- Place the scanner into the charging cradle.
- Collegare la base di ricarica a una fonte di alimentazione utilizzando il cavo USB in dotazione.
- A full charge typically takes approximately 4 hours, providing up to 30 hours of scanning time.

Image 4.1: Illustration of the scanner charging wirelessly in its cradle, highlighting the 1800mAh battery capacity and charging/scanning times.
4.2. Collegamento dello scanner
The scanner supports two primary connection methods: 433Mhz wireless and Bluetooth 6.0.
4.2.1. 433Mhz Wireless Connection
- Connect the 433Mhz dongle base to your host device (e.g., laptop, desktop).
- The scanner will automatically pair with the base.
- This connection offers an extended range of up to 650 meters (approximately 2132 feet) between the scanner and the base.
4.2.2. Connessione Bluetooth 6.0
- Ensure Bluetooth is enabled on your host device (e.g., laptop, tablet, smartphone).
- Follow your device's instructions to search for and pair with the barcode scanner.
- The Bluetooth connection range is up to 20 meters (approximately 65 feet).

Immagine 4.2: Es.amples of connecting the scanner via 433Mhz dongle to a laptop and via Bluetooth to a tablet.
4.3. Compatibilità del dispositivo
Lo scanner è compatibile con un'ampia gamma di sistemi operativi e dispositivi:
- Sistemi operativi: iOS, Android, Linux, Windows, Mac OS
- Dispositivi: PC, portatile, tablet, smartphone

Image 4.3: Icons representing compatible operating systems (iOS, Android, Linux, Windows, Mac OS) and devices (PC, Laptop, Tablet, Smartphone).
5. Istruzioni per l'uso
5.1. Modalità di scansione
The MJ-2020-370LB offers flexible scanning modes to suit various operational needs:
- Modalità di attivazione manuale: Press the trigger to scan each barcode.
- Modalità di scansione continua: Lo scanner esegue la scansione in modo continuo senza dover premere il grilletto.
- Modalità di scansione con rilevamento automatico: The scanner activates when a barcode is presented within its scanning field.
- Modalità memoria: This mode allows for barcode storage when outside the range of Bluetooth or 433Mhz connectivity. It supports storage of up to 100,000 barcodes. Data can be uploaded once connectivity is re-established.
5.2. Scanning Range
The scanner is designed for versatile use, including scanning barcodes on goods at heights in warehouses.
- The effective scanning distance for barcodes is typically between 30 cm and 2.5 meters (approximately 1 foot to 8.2 feet).
- Barcodes closer than 25 cm (approximately 9.8 inches) may not be readable.
- The wireless connection range for the 433Mhz base is up to 650 meters.

Image 5.1: Diagram illustrating the scanner's long-range capability, showing a scanning range of 0-650 meters for wireless communication, and its application for barcodes at heights.

Image 5.2: A person using the scanner to read a barcode on a pallet in a warehouse, demonstrating its extended range capability (10-650cm).
5.3. Compatibilità con i codici a barre
The scanner is designed to read various 1D laser barcode types:
- Code11, Code39, Code93, Code32, Code128, Coda Bar
- UPC-A, UPC-E, EAN-8, EAN-13, JAN.EAN/UPC Add-on2/5
- MSI/Plessey, Telepen, China Postal Code
- Interleaved 2 of 5, Industrial 2 of 5, Matrix 2 of 5
Nota: This scanner is not designed to read on-screen barcodes.
6. Manutenzione
To ensure optimal performance and longevity of your barcode scanner, follow these maintenance guidelines:
- Pulizia: Utilizzare un panno morbido, asciutto e privo di lanugine per pulire l'esterno dello scanner e la finestra di scansione. Evitare detergenti abrasivi o solventi.
- Magazzinaggio: Conservare lo scanner e la base in un luogo fresco e asciutto, lontano dalla luce solare diretta e da temperature estreme.
- Cura della batteria: Per periodi di conservazione prolungati, assicurarsi che la batteria sia parzialmente carica (circa il 50%). Evitare di scaricare completamente la batteria per periodi prolungati.
- Durata: The scanner features an IP65 drop-proof design, providing protection against dust and water jets, and resistance to drops from up to 2.5 meters. However, avoid intentional misuse or excessive force.

Image 6.1: Illustration highlighting the rugged and durable design of the scanner, indicating its anti-drop grade IP65 and resistance to drops from 2.5 meters.
7. Risoluzione Dei Problemi
Se riscontri problemi con lo scanner, consulta i seguenti problemi comuni e le relative soluzioni:
- Lo scanner non legge i codici a barre: Ensure the barcode is within the optimal scanning range (30cm-2.5m). Barcodes closer than 25cm may not be readable. Check if the barcode type is supported (1D laser codes only; on-screen barcodes are not readable).
- No connection (433Mhz): Verify the 433Mhz dongle base is securely connected to your device. Ensure the scanner is within the 650m wireless range of the base.
- Nessuna connessione (Bluetooth): Confirm Bluetooth is enabled on your host device and the scanner is paired. Ensure the scanner is within the 20m Bluetooth range.
- Lo scanner non si carica: Ensure the scanner is correctly seated in the charging cradle and the cradle is connected to a power source. Check the USB cable for damage.
- Data not transmitting: If using Memory Mode, ensure you are back within range and have initiated the data upload process.
For more detailed troubleshooting or specific configuration settings, please refer to the comprehensive user manual included in your package or contact symcode customer support.
8. Specifiche
| Caratteristica | Specificazione |
|---|---|
| Metodi di connessione | Bluetooth 6.0, 433Mhz Wireless |
| Peso | 156 g (0.34 libbre) |
| Voltage e attuale | 5V ±0.5V DC1800mA |
| Sorgente luminosa | Aiming: 528nm LED, Illumination: 630nm LED |
| Field of Depth | 50~300 mm |
| Rollio/Beccheggio/Imbardata | 360°, ±65°, ±60° |
| Capacità di decodifica (1D) | UPC/EAN and with supplemental, Code 39, Code 93 full ASCII, Tri-optic Code 39, RSS variants, UCC/EAN 128, Code 128, Code 128 full ASCII, Code 93, Codabar(NW1), Interleaved 2 of 5, etc. |
| Contrasto di stampa | Differenza di riflettanza minima del 25%. |
| Immagine (pixel) | 0.35 Megapixels (752 pixels H x 480 pixels V) |
| Temperatura di esercizio | Temperatura: da 0℃ a 50℃ (da 32℉ a 122℉) |
| Temperatura di conservazione | -40 ℃ ~ 70 ℃ (-40 ℉ ~ 158 ℉) |
| Umidità | 5%~95% senza condensa |
| Batteria | 1 batteria ai polimeri di litio (inclusa) |
| 433Mhz Wireless Range | Fino a 650M |
| Gamma senza fili Bluetooth | Fino a 20M |
| Tempo di ricarica | Circa 4 ore |
| Scanning Time (per charge) | Fino a 30 ore |
| Capacità di memoria | Fino a 100,000 codici a barre |
| Protezione dalle cadute | IP65, resistant to drops from 2.5 meters |
| Codice UPC | 765569540960 |
9. Garanzia e supporto
Warranty information for the symcode Industrial 433Mhz Wireless Barcode Scanner MJ-2020-370LB is typically provided with the product at the time of purchase or can be found on the manufacturer's official websito. Conservare la prova d'acquisto per eventuali reclami in garanzia.
For technical support, service, or further inquiries, please refer to the contact information provided in the physical user manual included with your product or visit the official symcode support channels.