Chapter 1 - Quick StartPage 1-6 961 Operations and Reference Manual Rev. D• Menu keys with a red ✖ mark cancel an operation, andreturn you to the screen you were previously viewing.• A bulleted list contains a series of related items or topics.• A numbered list contains a series of steps in a procedure.• The command “Press a button or key” means push andrelease that button or key—unless otherwise indicated.• Unless otherwise specified, the product name 961 refersto either the 961XD with its internal differential receiver,or the 961X, which is differential-ready only.• Latitude and longitude coordinates are collectivelyreferred to as lat/lon coordinates or lat/lon.• The CHART screen may also be referred to as the chartview.• The 961 system may also be referred to as the unit or thesystem.Technical support After you follow the instructions in this manual, if you needtechnical support or if you have any other questions, you cancontact Northstar by email, fax, phone, or U.S. mail as follows:Table 1: Contacting NorthstarEmail:Service: service@northstarcmc.comSales: sales@northstarcmc.comFax:Service: 978/897-1595Sales: 978/897-7241Telephone:Main number: 978/897-6600 or 800/628-4487Sales: 978/897-0770Service: 978/897-6600U.S. mail:30 Sudbury RoadActon, MA 01720