1. Uvod
Thank you for choosing the NETUM C740 Portable 1D Barcode Scanner. This device is designed for efficient and reliable 1D barcode scanning, offering versatile connectivity options including Bluetooth, 2.4G wireless, and wired USB. Its compact and portable design makes it ideal for various applications such as inventory management, retail, logistics, and pharmacy operations.
This manual provides detailed instructions on how to set up, operate, and maintain your C740 scanner to ensure optimal performance.
2. Proizvod je gotovview
The NETUM C740 is a lightweight and ergonomic barcode scanner available in multiple colors. It features a durable ABS construction and a CMOS scan element for accurate 1D barcode reading.

Figure 1: NETUM C740 Barcode Scanner (Red, Yellow, Green variants)
2.1 Ključne komponente i dimenzije

Figure 2: C740 Scanner with dimensions (Length: 124mm, Width: 41mm, Height: 25mm) and key features (USB Type-C port, Physical Switch, Hooking Ring).
- Fizički prekidač: Uključite/isključite uređaj.
- USB Type-C port: Za punjenje i žičanu vezu.
- Prsten za kačenje: For attaching a lanyard or strap for portability.
2.2 Opcije povezivanja

Figure 3: Connectivity options: USB, 2.4G Wireless, and Bluetooth.
The C740 supports three connection modes:
- Bluetooth: Za bežično povezivanje sa pametnim telefonima, tabletima i računarima.
- 2.4G bežična mreža: Using the included USB adapter for wireless connection to computers.
- Žičani USB: Direct connection via USB cable for data transfer and charging.
3. Specifikacije
Below are the detailed specifications for the NETUM C740 1D Barcode Scanner:
| Feature | Specifikacija |
|---|---|
| Broj modela | C740 |
| Tip | 1D Inventory Barcode Scanner |
| DIY Supplies | Električni |
| Porijeklo | Guangdong, Kina |
| Interface Type | USB |
| Vrsta elementa skeniranja | CMOS |
| Boje uređaja | Black, White, Red, Yellow, Blue, Green |
| Materijal | ABS |
| Karakteristike | Bt Wireless, Portable, 1D Inventory Scanning, Android/iOS/Windows Compatible, Code Reader, Pocket Barcode Handheld Scanner, Wifi scanner (referring to wireless capability) |
| Brzina skeniranja | 300 puta/S |
| Scanned Image Resolution | 800*600 |
| Maximum Scanning Size | A4 Paper (for document scanning, primary function is barcode) |
| Kapacitet baterije | 1200mAh |
| Trajanje baterije | Do 24 sati |
| Vrijeme punjenja | 3-4 sata |
| Veza | Bluetooth, Wireless (2.4G), Wired |
| Transmission Distance (Wireless) | 328 stopa (100 m) |
| Udaljenost prijenosa (Bluetooth) | 164 stopa (50 m) |
| Offline Storage Mode | Da |
| Multiple Scanners to One Receiver | One scanner to one receiver only |
| Supported Barcode Type | 1D Bar codes |
| Device Supported | Računar, pametni telefon, tablet |
| Screen Scan | Da |
| Auto Sensing Scanning | Da |

Figure 4: Comparison of NETUM C-series scanners, highlighting C740-1D features.
4. Sadržaj paketa
Upon opening your NETUM C740 package, please ensure all the following items are present:
- NETUM C740 skener bar kodova
- USB Type-C kabel za punjenje/podatkovne podatke
- 2.4G USB Wireless Adapter (if applicable to your model variant)
- Vodič za brzi početak (ili slična dokumentacija)

Figure 5: Typical package contents for the C740 scanner.
5. Podešavanje
5.1 Punjenje skenera
Before initial use, fully charge the scanner's built-in 1200mAh lithium battery. A full charge typically takes 3-4 hours and provides up to 24 hours of continuous operation.
- Locate the USB Type-C port on the scanner (refer to Figure 2).
- Connect the provided USB Type-C cable to the scanner and the other end to a USB power source (e.g., computer USB port, USB wall adapter).
- Indikatorska lampica će pokazivati status punjenja (npr. crvena za punjenje, zelena za potpuno napunjeno).

Figure 6: Charging the C740 scanner.
5.2 Povezivanje skenera
The C740 offers three connection methods:
5.2.1 Bluetooth veza
- Ensure the scanner is charged and powered on using the physical switch.
- Activate Bluetooth on your host device (smartphone, tablet, or computer).
- Put the scanner into Bluetooth pairing mode (refer to the Quick Start Guide for specific button presses, usually a long press of the scan button or a dedicated pairing button).
- On your host device, search for available Bluetooth devices and select "NETUM C740" (or similar name).
- Once paired, the scanner's indicator light will confirm the connection.
5.2.2 2.4G Wireless Connection (via USB Adapter)
- Provjerite je li skener napunjen i uključen.
- Plug the 2.4G USB wireless adapter into an available USB port on your computer.
- The computer should automatically recognize the adapter and install necessary drivers.
- The scanner and adapter should automatically pair. If not, follow the pairing instructions in the Quick Start Guide (often involves scanning a specific pairing barcode).
5.2.3 Žičana USB veza
- Provjerite je li skener uključen.
- Povežite USB Type-C kabl sa skenerom, a standardni USB-A kraj sa USB portom računara.
- The scanner will function as a plug-and-play device, and your computer will recognize it as a keyboard input device.
6. Uputstvo za upotrebu
6.1 Osnovno skeniranje
Za skeniranje bar koda:
- Ensure the scanner is connected to your host device (computer, smartphone, or tablet) and an application ready to receive input (e.g., a text editor, spreadsheet, or inventory software) is open.
- Usmjerite prozor skenera prema 1D barkodu koji želite skenirati.
- Press the scan button. A successful scan will typically be indicated by a beep and/or a green light.
- The barcode data will appear in your active application on the host device.
6.2 Offline Storage Mode
The C740 supports offline storage, allowing you to scan barcodes even when not connected to a host device. Scanned data is stored internally and can be uploaded later.
- Activate offline storage mode (refer to the Quick Start Guide for the specific barcode to scan to enter this mode).
- Scan barcodes as usual. The scanner will store the data.
- To upload stored data, connect the scanner to your host device (via USB or wireless) and scan the "Upload Data" barcode (found in the Quick Start Guide).
- To clear stored data, scan the "Clear Data" barcode.
6.3 Screen Scanning and Auto Sensing
- Screen Scan: The C740 is capable of scanning barcodes directly from digital screens (e.g., smartphone displays, computer monitors).
- Auto Sensing Scanning: When enabled, the scanner can automatically detect and scan barcodes without needing to press the trigger button, improving efficiency for high-volume scanning.
6.4 Višejezična podrška
The scanner supports multiple keyboard languages, including English, German, Japanese, French, Italian, and Spanish. To change the output language, scan the corresponding configuration barcode provided in the Quick Start Guide.

Figure 7: The C740 supports various languages for barcode output.
7. Održavanje
To ensure the longevity and optimal performance of your NETUM C740 scanner, follow these maintenance guidelines:
- čišćenje: Za čišćenje vanjske strane skenera koristite meku, suhu krpu. Za prozor za skeniranje koristite krpu koja ne ostavlja dlačice lagano obrisanu.ampened with a non-abrasive cleaner. Avoid harsh chemicals or abrasive materials.
- Skladištenje: Čuvajte skener na hladnom i suhom mjestu, dalje od direktne sunčeve svjetlosti i ekstremnih temperatura.
- Održavanje baterije: Izbjegavajte često potpuno pražnjenje baterije. Ako skladištite bateriju duži period, napunite je do oko 50% i punite je svakih nekoliko mjeseci.
- Rukovanje: Pažljivo rukujte skenerom kako biste spriječili padove ili udarce, koji mogu oštetiti unutrašnje komponente.
8. Otkrivanje problema
If you encounter issues with your NETUM C740 scanner, please refer to the following common problems and solutions:
| Problem | Moguće rješenje |
|---|---|
| Skener se ne uključuje. | Ensure the battery is charged. Connect the scanner to a power source using the USB Type-C cable. Check the physical power switch. |
| Skener se ne povezuje putem Bluetootha. | Ensure Bluetooth is enabled on your host device. Put the scanner into pairing mode. Forget previous pairings on your host device and try again. Ensure the scanner is within the 164 ft (50 m) Bluetooth range. |
| Scanner does not connect via 2.4G wireless. | Ensure the USB adapter is securely plugged into your computer. Try a different USB port. Re-pair the scanner with the adapter by scanning the appropriate pairing barcode from the Quick Start Guide. Ensure the scanner is within the 328 ft (100 m) wireless range. |
| Scanned data does not appear on the host device. | Verify the scanner is successfully connected. Ensure an application ready to receive input is open and active. Check if the scanner is in offline storage mode; if so, upload the data. |
| Scanner is not reading barcodes. | Ensure the barcode is 1D and not damaged. Clean the scanning window. Adjust the distance and angle to the barcode. Ensure sufficient lighting. |
| Incorrect characters appear after scanning. | Check the keyboard language settings on both the scanner and your host device. Ensure they match. |
Za dodatnu pomoć, molimo kontaktirajte korisničku podršku.
9. Savjeti za korisnike
Nisu bili dostupni nikakvi konkretni savjeti za korisnike iz pruženih informacija.views or Q&A. However, general tips for barcode scanners include:
- Vježbajte skeniranje: Upoznajte se s optimalnom udaljenošću i kutom skeniranja za različite vrste barkodova.
- Održavajte firmver ažuriranim: Provjerite proizvođača website periodically for firmware updates that may improve performance or add features.
- Osigurajte svoj uređaj: Use the hooking ring to attach a lanyard to prevent accidental drops, especially in busy work environments.
10. Garancija i podrška
For warranty information and technical support, please refer to the documentation included with your product or visit the official NETUM webSačuvajte dokaz o kupovini za slučaj reklamacije.
For additional inquiries, you may contact the seller directly via WhatsApp/Wechat: +8613723892458.