ONKYO tx-nr646 User Manual

1

2

4

9

F

G

H

I

K

6

L

5

7

8

J

N

M

R

S

P

Q

O

3

(European, Australian 

and Asian models) 

(European, Australian 

and Asian models) 

1 

zON/STANDBY button: Turns the unit on or into 

standby mode.

2 

DOLBY ATMOS indicator: Lights when playing Dolby 

Atmos.

3 

DTS:X indicator: Lights when playing DTS:X.

4 

ZONE2 button: Controls the multi-zone function.

5 

Remote control sensor: Receives signals from the 

remote controller.

6 

OFF button: Switches the multi-zone function off.

7 

8 

LISTENING MODE buttons: Allow you to select the 

listening mode.

9 

models): Switches the brightness of the display.

models): Can be used when receiving the station 

transmitting text information.

F 

MEMORY button: Registers a station.

G 

TUNING MODE button: Switches the tuning mode.

H 

DISPLAY button: Switches the information on the 

display.

I 

SETUP button: Used when making settings.

J 

Cursor buttons, lTUNINGj button, 

d

c

button and ENTER button: Move the cursor and 

confirms the selection. When listening to AM/FM 

broadcasting, tune in to the station with lTUNINGj or 

select the registered station with 

d

PRESET

c

.

K 

RETURN button: Returns the display to the previous 

state.

L 

MASTER VOLUME: Allows you to adjust the volume.

M 

and Taiwanese models): Turns on/off the MUSIC 

OPTIMIZER function that improves the quality of the 

compressed audio.

and Asian models): The display and analog video 

circuits are turned off to switch the unit to Pure Audio 

mode and provide purer sound.

N 

PHONES jack: Stereo headphones with a standard plug 

are connected.

O 

AUX INPUT HDMI jack: A HD camera or such other 

device is connected.

P 

TONE and Tone Level buttons: Adjust the high tone 

and low tone.

Q 

Input selector buttons: Switch the input to be played.

R 

SETUP MIC jack: The supplied speaker setup 

microphone is connected.

S 

HYBRID STANDBY indicator: Lights if the unit enters 

standby mode when the HDMI Standby Through, USB 

Power Out at Standby, Network Standby or Wakeup 

from Bluetooth function is enabled.