JVC XA-A50CL - Manual (Page 15)

Selecting the language for the Voice Guidance
You can change the language of the guide voice by selecting the guide voice files stored in the supplied
CD-ROM. The initial language is set to English.
1. Load the supplied CD-ROM on your PC.
The language selection screen appears.
2. Click the desired language.
Ex.: When selecting "English"
3. Import the guide voice files, by following the message.