This document provides instructions for setting up a Garmin eTrex 10 GPS device. It explains how to navigate the menu system using the rocker button and center button to select options. It outlines the initial setup steps, including selecting between GPS or demo mode, language, battery type, and USB mode. It then describes how to adjust settings like backlight timeout, contrast, map orientation, data fields, track settings, recording method, units, time, time zone, position format, heading, and north reference. The document aims to guide users through the full configuration of this GPS device.