I have brand new Philips 47pfl6907k/12
I am using DLNA playing 3D .MKV file. The file has following structure:

mkvmerge -i Filename.mkv
File Filename: container: Matroska
Stopa s ID 0: video (V_MPEG4/ISO/AVC)
Stopa s ID 1: audio (A_AC3)
Stopa s ID 2: audio (A_AC3)

ID1 audio is Czech, ID2 Audio is English

I can play the file, but when I am trying Options, I do not see any prompt for language selection. I do not know, how to switch between audio tracks.

In general settings primary language is Czech, secondary English...

Can you help me?

Best regards