Philips 32PFL9604H - Manual (Page 144)

3.8.2 Visually impaired
Some digital TV channels broadcast special audio adapted
for people who are visually impaired. The normal audio is
mixed with extra commentary.
To switch on visually impaired audio, press Options o
while watching the digital TV channel and select visually
impaired. Select On and press OK.
The TV switches to visually impaired audio, if available.
In the Options menu, you can set the visually impaired
audio to be heard from the Speakers, the Headphones only
or from both Speakers and headphones.
Also in the Options menu, select Volume - Visually
impaired to change the volume of the extra commentary.
To verify whether a visually impaired audio language is
available, press Options o and select Audio language and
look for an audio language with an eye icon.