Pioneer VSX-422-S - Manual (Page 32)

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Before starting ARC operation
When starting ARC operation, put the TV and this unit in
STANDBY mode after connecting this unit with the TV. Next,
turn ON the power of this unit and then the TV, in this order.
In order to start ARC operation, after connecting this unit to a
TV with an HDMI cable, you will need to switch the input on
the TV to the input mode required to connect to this unit.
Then, you can select a TV program.
Important
• The ARC function may not operate even if the above
conditions are met. If this is the case, listen to the TV audio
after connecting this unit and the TV with an audio cable.
• The CEC (Consumer Electronic Control) function may
activate when the ARC function is turned ON, causing
power to turn ON and OFF and the input to switch from one
to another. Since this unit does not guarantee
synchronized operation based on the CEC function, we
recommend that you turn OFF the HDMI CONTROL setting
on the connected player. This unit may not operate properly
if the HDMI CONTROL on the player is ON. Refer to the
relevant device's instruction manual for details. If this does
not work, turn OFF the ARC function.
If this is the case, listen to the TV audio after connecting
this unit and the TV with an audio cable.
In addition, this unit does not guarantee synchronized
operation that allows the TV remote control to operate the
volume (including mute). Use this unit to operate the
volume (including mute).
• Turn OFF the power and remove the power cord from the
wall socket when connecting other devices or making
connection changes to this unit. After all connections are
completed, insert the power cord into the wall socket.
• If the power cord is connected when the ARC function is
ON, the HDMI will take 2 to 10 seconds to initialize. This
unit cannot be operated during the initialization. During
initialization, the HDMI indicator on the display will blink.
Turn ON the unit after blinking stops.