This document is a user guide for the Giant Revive DX computer. The guide provides physical descriptions and operating instructions for the computer, including the mode button, set button, and battery change. It details the steps for removing and installing the computer on the handlebar, as well as replacing the battery and retaining previous data. The computer features a low battery indicator, which displays a symbol when the battery is nearly exhausted. The guide also includes instructions for initiating the computer and clearing all data.