MS852LR - Barcode Reader Unitech - Free user manual and instructions
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| Product Type | 2D Barcode Scanner |
| Brand | Unitech |
| Model | MS852LR |
| Dimensions (L x W x H) | 170 mm x 70 mm x 100 mm |
| Weight | 150 g |
| Power Supply | USB bus power (5V DC) |
| Interface | USB (HID, CDC, or Virtual COM) |
| Scanning Technology | Laser or Image-based (red LED / laser diode) |
| Scanning Angle | Horizontal: 60°, Vertical: 40° |
| Supported Barcode Symbologies | 1D: Code 39, Code 128, UPC, EAN, etc.; 2D: QR, Data Matrix, PDF417, etc. |
| Scan Rate | Up to 200 scans/sec |
| Depth of Field | Up to 300 mm (for 1D codes at 0.33 mm resolution) |
| Minimum Print Contrast | ≥ 30% |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -20°C to 70°C |
| Humidity | 5% to 95% non-condensing |
| Drop Resistance | 1.5 m onto concrete |
| Cleaning | Wipe with a soft, dry cloth; avoid solvents |
| Safety Certifications | CE, FCC, RoHS |
| Spare Parts / Repairability | Replaceable interface cable; no user-serviceable parts inside |
| General Information | Handheld design for retail, warehouse, and industrial use |
Frequently Asked Questions - MS852LR Unitech
How do I set up the MS852LR barcode reader?
Plug the USB cable into a free USB port on your computer. The scanner will power on and emit a beep. It is pre-configured to work as a keyboard wedge; simply scan barcodes and they will appear in your active application.
Is the MS852LR compatible with Windows, macOS, and Linux?
Yes, the scanner uses standard USB HID protocol and works with any operating system that supports USB keyboards (Windows, macOS, Linux, Android). No special drivers are needed for basic scanning.
How do I clean the scanner?
Disconnect the scanner from power. Wipe the exterior with a soft, lint-free cloth dampened with water or mild soap. Do not use abrasive cleaners or solvents. For the scan window, gently clean with a dry cloth.
Can the MS852LR read barcodes from a mobile phone screen?
Yes, it can read digital barcodes on mobile displays (QR codes, PDF417, etc.). Adjust brightness and hold the phone steady for best results.
What should I do if the scanner stops working?
First, check the USB connection. Try a different USB port. If it still doesn't work, perform a factory reset by scanning the Factory Default barcode in the user manual. If the problem persists, contact Unitech support.
How do I change the barcode suffix or prefix?
Scan configuration barcodes from the manual to add a suffix (e.g., Enter) or prefix. For example, to add carriage return after each scan, scan the CR Suffix barcode.
Does the scanner support wireless or Bluetooth?
No, the MS852LR is a wired USB scanner only. For wireless models, refer to Unitech's MS series wireless options.
What is the reading distance for typical barcodes?
For standard 1D barcodes at 0.33 mm resolution, the reading distance is up to 300 mm. For 2D codes, typical range is 150-250 mm depending on code size.
Can I program the scanner to emit a beep on successful scan?
The scanner comes with beep enabled by default. To disable or adjust beep volume, scan the corresponding setup barcodes in the manual.
Where can I find the full user manual?
The manual is available for free download on notice-facile.com. You can also visit the Unitech support website and search for MS852LR.
User questions about MS852LR Unitech
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USER MANUAL MS852LR Unitech
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Product information
Brand : Unitech
Model : MS852LR
Category : Barcode Reader