This manual describes the installation and upgrade process for the VeriFone VX 680 Intelligent Terminal.
This guide explains how to install and configure the VeriFone VX 680 handheld payment terminal. It includes sections on terminal overview, installation steps, power requirements, optional accessories, and safety warnings.
The document also contains technical specifications, maintenance procedures, service and support information, and a troubleshooting guide for common issues such as battery charging, display problems, and printer errors. This manual is written in Chinese.