LG LASC55 Owners Manual - English - Page 15
ARC (Audio Return Channel) function, Additional information for HDMI
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Connecting 15 ARC (Audio Return Channel) Additional information for function HDMI The ARC function enables an HDMI capable TV to send the audio stream to HDMI OUT of the unit. yy When you connect an HDMI or DVI compatible device make sure of the following: To use this function : -Try switching off the HDMI/DVI device and this -- Your TV must support the HDMI-CEC and ARC function and the HDMI-CEC and ARC must be set to On. player. Next, switch on the HDMI/DVI device and leave it for around 30 seconds, then switch on this player. -- The setting method of HDMI-CEC and ARC may -The connected device's video input is set 2 Connecting differ depending on the TV. For details about correctly for this unit. ARC function, refer to your TV manual. -- You must use the HDMI cable (Type A, High Speed HDMI™ cable with Ethernet). -The connected device is compatible with 720 x 576p (or 480p), 1280 x 720p, 1920 x 1080i ,1920 x 1080p or 4096 x 2160p video input. -- You must connect the HDMI OUT on the unit with HDMI IN of the TV that supports ARC function using an HDMI cable. yy Not all HDCP-compatible HDMI or DVI devices will work with this player. -- You can connect only one Sound bar to TV compatible with ARC. -The picture will not be displayed properly with non-HDCP device. ,,Note yy ARC function is automatically selected when ,,Note yy If a connected HDMI device does not accept ARC signal comes in from TV, no matter the audio output of the player, the HDMI what kind of the function you are using. device's audio sound may be distorted or yy You can enjoy the TV audio through the may not output. speakers of this unit. In the case of some yy Changing the resolution when the TV models, you must select the external connection has already been established speaker option from the TV menu. (For may result in malfunctions. To solve the details, reference your TV user manual.) problem, turn off the player and then turn it yy Set up the sound output of TV to listen to on again. the sound through this unit : yy When the HDMI connection with HDCP TV setting menu [ [Sound] [ [TV Sound is not verified, TV screen is changed to output] [ [External speaker (HDMI ARC)] black screen. In this case, check the HDMI yy Details of TV setting menu vary depending on the manufacturers or models of your TV. connection, or disconnect the HDMI cable. yy If there are noises or lines on the screen, yy If you change to other function while you are using ARC function, you need to adjust ARC setting on TV setting again to use ARC please check the HDMI cable (length is generally limited to 4.5 m(15 ft). yy You cannot change the video resolution function. in the HDMI IN mode. Change the video resolution of the connected component. yy If the video output signal is abnormal when your personal computer is connected to HDMI IN jack, change the resolution of your personal computer to 576p (or 480p), 720p, 1080i or 1080p.