Hdmi Output; Spdif Output; Surround Sound; Video - ProAleo R6S User Manual

2). HDMI Output

Select HDMI audio signal output mode, including below two modes:
l LPCM Stereo decode output Recommend connect with TV
l RAW Multi-channel audio pass through (recommend connect with AVR)

3). SPDIF Output

Setting SPDIF output mode, including below two modes:
l LPCM Stereo decode output Recommend connect with TV
l RAW Multi-channel audio pass through (recommend connect with AVR)

4). Surround sound

To get the best audio effect, user can setting audio parameter, eg 5.1 audio track, HD Audio etc.
5). Lip sync
To avoid image and audio out of sync, it's better turn on this option.

3.3 Video

1). Aspect Ratio

This setting can choose the ratio of the screen, including
l Pan & Scan 4:3 - 16:9 picture in 4:3 screen mode which adjust the ratio to meet 4:3
l Letter Box 4:3 - 16:9 picture in 4:3 screen mode which leave the black side in up and down.
l 16:9
l 16:10

2). TV System

Setup -> Video -> TV System, select best system to display best display effect, modes including
60Hz ,HDMI Auto.
NTSC,480P,720P 60Hz,1080i 60Hz,1080P