Operator Module > Stand-alone Operator Console > Options > Profile settings >
You can customize Visitors list appearance in this tab.
Show Tool Bar option enables / disables the toolbar above the Visitors list in the Console.
Show only visitors who are currently in chat option shows in the visitors list only those visitors who are engaged in chats with operators
Visitors engaged in chats
Show visitor's general info in tooltip option allows displaying a tooltip with general visitors details when the mouse cursor is positioned over the line with visitor's data in the Visitors Tab of the console
General Info Tooltip
Please find more information about Visitors list here.