LVS-7500 External System Installation and Quick Start Guide Power Supply Input (5-Volt) USB Cable Connector 30. Open the LVS-7500 External System software by double-clicking on the “LVS-7500” icon located on the desktop. 31. The following window appears indicating the system has detected an LVS-7500 being used for the first time. Click “Yes” to install additional software. 32. If a “User Account Control” window appears (applies to Windows® 7 and Windows® 8.1 users only), click “Yes.” LVS-7500 External System Installation and Quick Start Guide Page 21 of 45