Panasonic DVD-PA65 Operating Instructions Manual page 35

Connect an amplifier that has the necessary decoders built-in (or an am¬
plifier-decoder combination).
This unit
AV amplifier with a
built-in decoder
Adjust the settings to suit the equipment you have connected
page 40, "Digital settings").
You cannot use a DTS decoder that cannot handle signals from DVD-Video.
35
ROT 5603