1. Pengenalan
The 3nStar SC250 is a robust on-counter heavy-duty scanner designed for continuous and rapid scanning of various barcoded items. Its advanced features ensure accuracy and efficiency, making it ideal for busy retail and point-of-sale environments. The compact design is a great space-saver for limited workspaces.
Ciri-ciri utama termasuk:
- Line Omnidirectional Pattern: Provides efficient scanning for hand presentation applications.
- Automatic Scanning Operation: Simply present a barcode, and the unit scans in a single pass.
- High performance motor and hardware decode technology for faster reading speed.
- Scan Rate: Up to 1500 scans per second.
- Durable design: Tested to withstand frequent 1m drops.

Figure 1.1: The 3nStar SC250 1D Vertical Omni-directional Scanner in a retail setting, highlighting its omnidirectional scanning capabilities and high performance.
2. Persediaan
Follow these steps to set up your SC250 scanner:
- Buka Pengimbas: Carefully remove the SC250 scanner and all accessories from its packaging. Ensure all components are present: the scanner unit and the USB cable.
- Sambungkan Kabel USB: Locate the USB port on the back or bottom of the SC250 scanner. Insert one end of the provided USB cable into this port.
- Sambung ke Peranti Hos: Plug the other end of the USB cable into an available USB port on your computer (desktop or laptop) or Point-of-Sale (POS) system. The scanner is powered via the USB connection.
- Pemasangan Pemacu (Pasang dan Main): The SC250 is a plug-and-play device. Your operating system (Windows, macOS, Linux) should automatically detect and install the necessary drivers. No manual driver installation is typically required.
- penempatan: Place the scanner on a stable, flat surface in your desired scanning area. Ensure there is enough space around the scanner for comfortable operation and to prevent obstruction of the scanning window.

Rajah 2.1: Terperinci view of the SC250 scanner, showing its robust build and scanning window, ready for connection.
3. Arahan Operasi
The SC250 scanner is designed for ease of use with its automatic scanning operation.
- Hidupkan kuasa: Once connected via USB, the scanner will power on automatically. There is no separate power button.
- Mengimbas Kod Bar: Simply present the barcode of the item to the scanning window of the SC250. The omnidirectional scan pattern will automatically detect and read the barcode.
- Pengesahan: Upon successful scan, the scanner will typically emit an audible beep and/or a visual indicator (e.g., an LED light) to confirm the read. The decoded data will be transmitted to your connected computer or POS system as keyboard input.
- Jarak Pengimbasan Optimum: For best results, hold the barcode within a few inches of the scanning window. The omnidirectional pattern allows for flexible positioning.
- Troubleshooting Poor Reads: If a barcode does not scan on the first attempt, try adjusting the angle or distance. Ensure the barcode is clean and not excessively damaged.
4. Penyelenggaraan
Proper maintenance ensures the longevity and optimal performance of your SC250 scanner.
- Membersihkan Tetingkap Pengimbasan: Regularly clean the scanning window with a soft, lint-free cloth. If necessary, dampen the cloth slightly with water or a mild, non-abrasive cleaner. Avoid harsh chemicals or abrasive materials that could scratch the window.
- Pembersihan Am: Lap bahagian luar pengimbas dengan kain kering atau sedikitamp kain untuk menghilangkan habuk dan kotoran.
- Elakkan Titisan dan Kesan: While the SC250 is designed to withstand 1m drops, repeated or severe impacts can damage the internal components. Handle the scanner with care.
- Keadaan Persekitaran: Operate and store the scanner in a clean, dry environment, away from extreme temperatures, direct sunlight, and excessive humidity.
- Penjagaan Kabel: Do not bend or crimp the USB cable excessively. Ensure it is not a tripping hazard.
5. Penyelesaian masalah
Jika anda menghadapi masalah dengan pengimbas SC250 anda, rujuk masalah dan penyelesaian biasa berikut:
- Pengimbas Tidak Dihidupkan:
- Ensure the USB cable is securely connected to both the scanner and the host computer.
- Try plugging the USB cable into a different USB port on your computer.
- Verify that the host computer is powered on and functioning correctly.
- Pengimbas Tidak Membaca Kod Bar:
- Check if the scanning window is clean and free of obstructions or smudges.
- Pastikan kod bar tidak rosak, comot atau dicetak dengan buruk.
- Adjust the distance and angle of the barcode relative to the scanning window.
- Confirm that the scanner is properly recognized by your computer's operating system (check Device Manager on Windows, System Information on macOS).
- No Data Transmission to Computer:
- Ensure the scanner is successfully reading barcodes (indicated by a beep/light).
- Verify that the application you are using (e.g., notepad, POS software) is active and ready to receive input.
- Mulakan semula komputer anda dan pengimbas.
If the problem persists, please contact 3nStar customer support.
6. Spesifikasi
| Ciri | Perincian |
|---|---|
| Dimensi Produk | 5.91 x 2.95 x 6.1 inci |
| Berat Barang | 1.5 paun |
| Nombor Model | SC250 |
| Pengeluar | 3nStar |
| Peranti Serasi | Desktop, Komputer riba |
| Sumber Kuasa | Elektrik Bertali arus (Berkuasa USB) |
| Teknologi Ketersambungan | Kabel USB |
| UPC | 853211005179 |
| Kadar Imbasan | 1500 imbasan sesaat |
| Corak Imbasan | 24-line omnidirectional |
| Enjin Laser | 650 nm |
| Rintangan Jatuh | Withstands frequent 1m drops |
7. Waranti dan Sokongan
For warranty information and technical support regarding your 3nStar SC250 scanner, please refer to the documentation included with your purchase or visit the official 3nStar website. 3nStar is committed to providing reliable products and customer assistance.
Pengeluar: 3nStar
For further assistance, please contact 3nStar customer service through their official channels.





