ONKYO tx-nr646 User Manual
Advanced Settings (Setup Menu)
En-32
Digital Audio Input
You can change input assignment between the input selectors and DIGITAL IN COAXIAL/
OPTICAL 1 to 2 jacks. If you do not assign a jack, select "-----".
Setting Item
Default Value
Setting Details
BD/DVD
COAXIAL
"COAXIAL", "OPTICAL 1", "OPTICAL 2": Assign a
desired DIGITAL IN jack to the BD/DVD button.
CBL/SAT
-----
"COAXIAL", "OPTICAL 1", "OPTICAL 2": Assign a
desired DIGITAL IN jack to the CBL/SAT button.
STRM BOX
-----
"COAXIAL", "OPTICAL 1", "OPTICAL 2": Assign a
desired DIGITAL IN jack to the STRM BOX button.
PC
-----
"COAXIAL", "OPTICAL 1", "OPTICAL 2": Assign a
desired DIGITAL IN jack to the PC button.
GAME
-----
"COAXIAL", "OPTICAL 1", "OPTICAL 2": Assign a
desired DIGITAL IN jack to the GAME button.
AUX
-----
The setting cannot be changed.
CD
OPTICAL 1
"COAXIAL", "OPTICAL 1", "OPTICAL 2": Assign a
desired DIGITAL IN jack to the CD button.
PHONO
-----
"COAXIAL", "OPTICAL 1", "OPTICAL 2": Assign a
desired DIGITAL IN jack to the PHONO button.
TV
OPTICAL 2
"COAXIAL", "OPTICAL 1", "OPTICAL 2": Assign a
desired DIGITAL IN jack to the TV button.
● Sampling rates for PCM signals (stereo, mono) from a digital input are 32 kHz, 44.1 kHz, 48 kHz,
88.2 kHz, 96 kHz/16 bit, 20 bit, and 24 bit.
2� Speaker
Allows you to change the speaker configuration such as presence or not of subwoofer,
crossover frequency, and so on. Settings are automatically configured if you use the
Automatic Speaker Setup.
This setting cannot be selected if headphones are connected or audio is output from the
speakers of the TV.
Configuration
You can change the number of speaker channels connected, the type of front speaker
connection, the height speaker type, and other speaker settings.
Setting Item
Default Value Setting Details
Speaker Channels 7.1 ch
Select "2.1 ch", "3.1 ch", "4.1 ch", "5.1 ch", "6.1 ch",
"7.1 ch", "2.1.2 ch", "3.1.2 ch", "4.1.2 ch", or
"5.1.2 ch" to suit the number of speaker channels
connected.
Subwoofer
Yes
Set whether a subwoofer is connected or not.
"Yes": When subwoofer is connected
"No": When subwoofer is not connected
Height Speaker
Front High
Set the speaker type if height speakers are
connected to the BACK or HEIGHT terminals.
Select "Front High", "Top Front", "Top Middle", "Top
Rear", "Rear High", "Dolby Speaker (Front)", or
"Dolby Speaker (Surr)" according to the connected
speaker type and location.
● If an item cannot be selected even though
connection is correct, check that the settings
in "Speaker Channels" matches the number of
connected channels.
Bi-Amp
No
Set whether your front speaker connection is bi-
amp.
"No": When front speakers are connected in a
normal manner
"Yes": When front speakers are bi-amp connected
● If an item cannot be selected even though
connection is correct, check that the settings
in "Speaker Channels" matches the number of
connected channels.