Reference manual for Sokkia SRX robotic total station and use with SDR software. Palmetto Equipment and Supply, Inc. is an Authorized Dealer for Sokkia for over 20 years. For more information on the Sokkia's Series SRX Total Station for surveying or SDR software, please visit us at http://palmettoequipmentandsupply.com or call 800-856-0554 For Purchase, visit our ebay store at http://epalmetto.net