1.A/B corresponds to both A and B output ports. ARC/ Audio/ Switch are reusable function keys, which can control both groups of A/B. Press A/B Key to select all keys to work on group A or B.
2.Function description of "Scale Down”
When using 4K signal source input, one output port is connected to a 4K TV and the other output port is connected to a Full HD TV. At this time, The Scale Down feature will allow one port to output 4K signals and another port to automatically scale down the resolution to 1080P. This feature is on by default, and both output ports support scale down.
3.Before using ARC, make sure your TV HDMI port supports ARC and 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 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.
6.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.
