1.The two optical output ports and the two AUX output ports have the same output content as the two HDMI output ports. In other words, all ports identified as A output the same sound, and all ports identified as B output the same sound.
2.Two groups of audio EDID mode Settings are associated with two HDMI input ports. The group1 is associated with HDMI IN1, and group2 is associated with HDMI IN2.
3.Before using ARC, make sure your TV HDMI port supports ARC and the arc have been turned on.
4.When the ARC function is turned on, ARC audio is output from the optical port, while AUX port has no output at this time.When the ARC function is turned off, the fiber and AUX output audio extracted from the HDMI input source.
5.AUX has output only when the audio format is LPCM.Therefore, when using AUX output signal, it is recommended to choose EDID mode in 2CH mode.
The product has power off memory function. The setting state of the output channel is recorded and saved. After the power is off, the saved data will be automatically retrieved for configuration.