ONKYO tx-nr646 ユーザーズマニュアル

Advanced Settings (Setup Menu)

Make settings for input sources, such as volume difference adjustments for each input 

selector for the connected equipment. Select the input selector to configure.

IntelliVolume

0 dB

Adjust the volume level difference between the 

devices connected to the unit. Select a value 

between "-12 dB" and "+12 dB". Set a negative 

value if the volume of the target device is larger 

than the others and a positive value if smaller. 

When you select a desired input to check the 

audio, start playback of the connected device.

● This function is not effective in Zone 2.

Set an easy name to each input. The set name will be shown on the main unit display. 

Select the input selector to configure.

Name

Input name

1.  Select a character or symbol with the 

cursors and press ENTER.

Repeat it to input 10 or less characters.

"A/a": Switches between upper and lower 

cases. (Pressing +10 on the remote 

controller also toggles between upper and 

lower cases.)

"←" "→": Moves the cursor to the arrow 

direction.

" ": Removes a character on the left of the 

cursor.

"Space": Puts a space.

● Pressing CLR on the remote controller 

will remove all the input characters.

2.  After inputting, select "OK" with the cursors 

and press ENTER.

The input name will be saved.

● To name a preset radio station, press TUNER on the remote controller, select AM/FM and select the 

preset number.

● It cannot be set if the "NET" or "BLUETOOTH" input is selected.

Make the audio input setting. The setting can be separately set to each input selector 

button. Select the input selector to configure.

Audio Select

BD/DVD:

  HDMI

CBL/SAT:

  HDMI

STRM BOX:

  HDMI

PC:

  HDMI

GAME:

  HDMI

AUX:

  HDMI

CD:

  OPTICAL

TV:

  OPTICAL

PHONO:

  Analog

Select the priority for input selection when 

multiple audio sources are connected to one 

input selector, such as connections to both the 

"BD/DVD" of HDMI IN jack and "BD/DVD" of 

AUDIO IN jack. You cannot select a jack that is 

not associated with the currently selected input.

● The priority is HDMI → COAXIAL/OPTICAL → 

Analog if this setting is not changed.

ARC: When giving priority to input signal from 

ARC compatible TV.

● The setting can be selected only when "HDMI" 

- "Audio Return Channel" is set to "Auto" and 

also the "TV" input is selected.

HDMI: When giving priority to input signal from 

HDMI jacks

● The setting can be selected only when the 

input is assigned to the HDMI IN jack in the 

"HDMI Input" setting.

"COAXIAL (Coaxial input)": When giving priority 

to input signal from DIGITAL IN COAXIAL jacks.

● The setting can be selected only when the 

input is assigned to the COAXIAL jack in the 

"Digital Audio Input" setting.

"OPTICAL (Optical input)": When giving priority 

to input signal from DIGITAL IN OPTICAL jacks.

● The setting can be selected only when the 

input is assigned to the OPTICAL jack in the 

"Digital Audio Input" setting.

"Analog": To always output analog audio 

independently of the input signal

PCM Fixed Mode

Off

Select whether to fix input signals to PCM 

(except multi-channel PCM) when you have 

selected "HDMI", "COAXIAL", or "OPTICAL" in 

the "Audio Select" setting. Set this item to "On" 

if noise is produced or truncation occurs at the 

beginning of a track when playing PCM sources. 

Select "Off" normally.

● Changing "Audio Select" changes the setting 

to "Off".

● The setting cannot be changed when "TUNER", "NET", or "BLUETOOTH" input is selected.