When using the navigation software for the first time, an initial set-up process starts automatically. You can use it easily by tapping the screen buttons and the map with your fingertips. IGo Primo Next Gen is optimized for in-car use. Igo Primo Tts Pro Voice Download It From. If the folder is named slightly different on your system, such as Primocontentvoice, adapt as necessary. All these cues are way above what standard iGO voices can deliver. TTS means Text-to-Speech, basically transforming text into vocal cues.