Newland NLS-FR20 V2 Fixed Barcode Scanner User Manual

About this manual

This manual provides an overview of the NLS-FR20 V2 fixed barcode scanner, including its physical dimensions, connector definitions, and basic operation such as power on, standby, shutdown, and restart.

It also details system settings, RS‑232 and USB communication configuration, LED and sound alerts, and extensive barcode parameter options for various symbologies. This manual is written in Chinese.

What's inside

• 前言
• 简介
• 第一章 关于 FR20
• 第二章 系统设置
• 第三章 RS-232通讯设置
• 第四章 USB通讯设置
• 第五章 条码参数设置

Specifications

Frequently asked questions

What communication interfaces does the NLS-FR20 V2 support?

The scanner supports both USB and RS‑232 interfaces for data transmission.

How can the scanner be powered on or off?

The manual includes a section on power operations covering power on, standby, shutdown, and restart.