Panasonic TH-50AS670M User Manual

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Audio output settings
You can enjoy the multi-channel sound via an amplifier connected to DIGITAL 
AUDIO OUT or HDMI2 (ARC function) terminal.
 
To confirm or change the current sound status
1.  Display the menu with 
MENU
.
2. Select 
Sound
 > 
SPDIF Selection
 with   /   and press 
OK
 to access.
3. Select 
Auto
 / 
PCM
 with   /   and press 
OK
 to set.
SPDIF Selection
(
Auto
 / 
PCM
)
Selects the initial setting for digital audio output signal from DIGITAL AUDIO 
OUT and HDMI2 (ARC function) terminals.
 
SPDIF is a standard audio transfer file format.
Auto
:
Dolby Digital Plus, Dolby Digital and HE-AAC multi-channel are output 
as Dolby Digital Bitstream. MPEG is output as PCM. DTS is output as 
DTS.
PCM
:
Digital output signal is fixed to PCM.
 
ARC (Audio Return Channel) is a function of digital audio output using 
HDMI cable.