CD settings allows to set various options that control the way CD+G discs are played.
CD-ROM device allows you to select which of the drives equipped in your machine should be used for CD+G discs.
Automatically load CD on startup will save you clicking Load CD button if you play CD+G discs.
Siglos Karaoke Player/Recorder can use online FreeDB database to look up track names for CD+G discs. You may disable this feature by unchecking Use FreeDB to search for track names on the Internet. You may also select different FreeDB server and define a HTTP proxy server if you are behind a corporate firewall.