Sony STR-ZA810ES Manual page 158

Select [DSD Native].
2
Select the setting you want.
3
On: This function is available for DSD signals.
Off: Does not activate the direct playback of DSD signals (DSD Native).
Note
This function does not work in the following cases:
[Bluetooth Mode] is set to [Transmitter].
The Wireless Multi-Room function is activated.
When [DSD Native] is set to [On] and DSD signals are being played back, the settings of [Equalizer],
[Sound Optimizer] and [Subwoofer Low Pass Filter], etc., are invalid, and the sound field does not
work.
Hint
You can also use DSD NATIVE on the remote control to turn on this function.
[175] Adjusting Settings
Enjoying high-fidelity sound (Pure Direct)
You can enjoy higher-fidelity sound from all inputs using the Pure Direct function. When the
Pure Direct function is on, the display panel lights off to suppress noise that affects sound
quality.
Select [Sound Effects] - [Pure Direct] from the home menu.
1
Select [On].
2
Canceling Pure Direct
The Pure Direct function will be canceled when you perform the following:
Select [Off] in step 2.
Press PURE DIRECT on the receiver.
Change the sound field.
Change the scene setting on the TV (Scene Select).
Change the setting of [Automatic Phase Matching], [Calibration Type] or [Equalizer] in the
[Speaker Settings] menu.
Change the setting of [Sound Optimizer], [In-Ceiling Speaker Mode] or [Dynamic Range
Compressor] in the [Audio Settings] menu.
Note
[Automatic Phase Matching], [Calibration Type], [Equalizer], [Sound Optimizer], [In-Ceiling Speaker
Audio Settings