Philips 40PFL8664H User Manual page 193

5.4.6 Decoder
Use a scart cable to connect a decoder which decodes
analogue antenna channels. Use the EXT1 or EXT2
connectors at the back of the TV.
You have to assign the TV channel as a channel to be
decoded. Then assign the connection where the decoder is
connected.
Close this user manual and press h > Setup > Installation
> Decoder. Select Channel to set the channel that you want
to decode. Select Status to set the connector you use for
the decoder.