Quick Start Guide for Sokkia SRX Total Station by Sokkia which explains the auto-tracking and auto-pointing features. Palmetto Equipment and Supply, Inc. is an Authorized Dealer for the SRX Auto Tracking Robot and for Sokkia Manufacturer in general for over 20 years. Visit our site at http://palmettoequipmentandsupply.com for more information or call us with any questions 1-800-856-0554. Purchase the SRX on our store at http://stores.ebay.com/epalmetto