| Troubleshooting | 232Viewing the Device TypeYou can view the device type, whether it is a demo machine or a normal machine. For VP59, there are nodifferent device types.ProcedureDo one of the following:• On your web user interface, go to Security > License.• On your VCS, go to More > Status > License.• On your CP960 conference phone, go to Settings > License.• On your CTP20, tap Setting > Host Status > System.Parameter Description Configuration MethodDevice Type Indicate the device type.• Demo Machine• Normal MachineWeb user interfaceEndpointCP960 Conference PhoneCTP20TroubleshootingWhen your system is unable to operate properly, you need to troubleshoot issues.Make sure that the system is not physically damaged when experiencing a problem, and the cables areloose and the connections are correct or not. All these are common issues.• General Issues• Call Issues• Audio Issues• Video Issues• Placing a Test Call• System Diagnostics• System Status• Viewing Call StatisticsGeneral IssuesSymptom Reason SolutionThe remote control battery isdead.Replace batteries.The remote control battery isinstalled incorrectly.Installed batteries correctly.Your system does not respond tothe remote control.Aim the remote control at thewrong direction.Aim the remote control at thesensor when you perform a task.