NETUM C990 Bluetooth Mini 2D Barcode Scanner User Manual

1. Product Overview

The NETUM C990 is a versatile, portable 2D barcode scanner designed for efficient data capture across various platforms. Its compact and lightweight design makes it ideal for mobile use, while its advanced CMOS sensor ensures reliable scanning of both 1D and 2D barcodes from paper and digital screens.

Key features include:

• Advanced Scan Ability: Equipped with a 1280H × 800V pixels (1.0M) CMOS sensor for scanning 1D/2D barcodes from paper and screens.
• 3-in-1 Connection Design: Supports Bluetooth, 2.4G Wireless, and Wired (USB) connections.
• Two Upload Modes: Instant upload and offline storage (up to 100,000 barcodes).
• Portable Mini Design: Weighs less than 3 ounces, with a physical power switch for energy saving.
• Long Battery Life: 1200mAh battery provides up to 20 hours of continuous scanning.

Figure 1: NETUM C990 Barcode Scanner and included accessories (USB cables, 2.4G wireless dongle).

2. Setup and Connection

The NETUM C990 offers three versatile connection modes to suit your operational needs.

2.1. Powering On

Locate the physical power switch on the scanner. Slide the switch to the 'ON' position to power on the device. The indicator light will illuminate.

Figure 2: Top and bottom view of the NETUM C990, highlighting the physical power switch, USB Type-C port, and hooking ring.

2.2. Bluetooth Connection

This mode supports HID / SPP / BLE protocols, allowing easy connection with laptops, PCs, mobile phones, tablets, iPhones, iPads, and POS systems. The transmission distance is approximately 10m (33ft) in an environment with obstacles.

1. Ensure the scanner is powered on.
2. Turn on Bluetooth on your host device (e.g., smartphone, tablet, computer).
3. Search for available Bluetooth devices. The scanner should appear as "NETUM Bluetooth" or similar.
4. Select the scanner to pair. Once connected, the scanner's indicator light will change, and your device will confirm the connection.

2.3. 2.4G Wireless Connection

This mode uses the included USB dongle and supports RF DONGLE HID-KBW and RF DONGLE AS VIRTUAL COM modes. It is compatible with Windows XP/7/8/10, Mac OS, and Linux. The transmission range can reach up to 100m (330ft) in barrier-free environments.

1. Plug the 2.4G USB dongle into an available USB port on your computer.
2. Ensure the scanner is powered on. It should automatically connect to the dongle.
3. The scanner is now ready for use.

Figure 3: Visual representation of the three connection modes: USB Wired, 2.4G Wireless, and Bluetooth.

2.4. USB Wired Connection

Connect the scanner to your device via the USB cable. This mode supports USB HID-KBW and USB COM Port Emulation modes. In wired mode, you can scan barcodes while the device is charging.

1. Connect one end of the USB cable to the scanner's USB Type-C port.
2. Connect the other end of the USB cable to an available USB port on your computer.
3. The scanner will be recognized as a keyboard input device or a COM port, depending on the mode.

3. Operating Instructions

The NETUM C990 offers various scanning methods and superior decoding capabilities.

3.1. Scanning Barcodes

To scan a barcode, point the scanner's window at the barcode and press the trigger button. The scanner will emit a light beam and a beep (if enabled) upon successful decoding. The scanned data will be transmitted to your connected device.

The scanner supports:

• Manual Scan: Press the trigger button for each scan.
• Auto-sensing Scan: The scanner automatically detects and scans barcodes when presented within its field of view.
• Continuous Scan: The scanner continuously scans without requiring repeated trigger presses.

Figure 4: User scanning a barcode on a package with the NETUM C990 scanner.

3.2. Decoding Ability

The C990 is equipped with an advanced CMOS sensor, allowing it to read various barcode types, including small barcodes (1D: ≥3 mil; 2D: ≥5 mil (HD); 2D: ≥7 mil (SR)). It can effectively scan barcodes from both physical labels and digital screens.

Supported Symbologies:

• 2D: Data Matrix, Dot Code, QR Code, Micro QR, PDF417, Micro PDF417, Aztec, MaxiCode.
• 1D: UPC A, UPC E, EAN 8, EAN 13, Code 128, Code 39, Code 93, Code 32, Code11, Codabar, Plessey, MSI, Interleaved 2 of 5, IATA 2 of 5, Matrix 2 of 5, Straight 2 of 5, Pharmacode, GS1 DataBar 14, GS1 DataBar Expanded, GS1 DataBar Limited, Composite Code A, Composite Code B, Composite Code C.

Note: Some symbologies may not be enabled by default. Refer to the full user manual for configuration barcodes to enable specific symbologies.

4. Specifications

Figure 5: Dimensions of the NETUM C990 Barcode Scanner.

5. Maintenance

Proper maintenance ensures the longevity and optimal performance of your NETUM C990 barcode scanner.

• Cleaning: Use a soft, dry cloth to clean the scanner's exterior. For the scanning window, use a lens cleaning cloth and a mild cleaning solution if necessary. Avoid abrasive materials or harsh chemicals.
• Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the scanner regularly, especially if it will be stored for an extended period.
• Storage: Store the scanner in a cool, dry place away from direct sunlight, extreme temperatures, and corrosive materials.
• Handling: Handle the scanner with care to prevent drops or impacts, which can damage internal components.

6. Troubleshooting

If you encounter issues with your NETUM C990 barcode scanner, refer to the following common troubleshooting steps:

For more detailed troubleshooting or advanced configurations, please refer to the comprehensive user manual available on the NETUM official website.

7. Warranty and Support

NETUM products are manufactured under strict quality control standards. For warranty information, technical support, or service inquiries, please contact NETUM customer support through their official website or the contact details provided with your product packaging.

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