Sony STR-DN1080 Manual page 160

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
Mode] and [Dynamic Range Compressor] do not work when the Pure Direct function is selected.
Hint
You can also use PURE DIRECT on the receiver to turn the Pure Direct function on or off.
You can also select [Pure Direct] in [Setup] - [Audio Settings] from the home menu.
[178] Adjusting Settings
Setting the low-pass filter for the subwoofer output
(Subwoofer Low Pass Filter)
You can turn the low-pass filter for the subwoofer output on or off. You can set the function for
each input to which an audio input jack is assigned independently. Turn the function on if you
connect a subwoofer without the crossover frequency function.
Select [Setup] - [Audio Settings] from the home menu.
1
Select [Subwoofer Low Pass Filter].
2
Select the setting you want.
3
On: Always activates the low-pass filter with a cutoff frequency of 120 Hz.
Off: Does not activate the low-pass filter.
Note
This function does not work in the following cases:
[Bluetooth Mode] is set to [Transmitter].
[DSD Native] is set to [On] and DSD signals are being played back.
Audio Settings