Atlona AT HD577 - Manual (Page 9)

7
EDID LEARNING
NOTICE
OUTPUT FORMAT SELECTION
EDID LEARNING
1. Power up the AT-HD577. Connect to HDMI OUT with the display you want the AT-HD577 to
learn its EDID.
2. To learn the display’s EDID for source device connected to HDMI IN A to play normally, pull
DIP switch pin-1 up-and-down to stay at ON () and wait for about 5 seconds to complete the
EDID learning process. You DON’T NEED to pull up the DIP switch again unless you want to
learn another display’s EDID by pulling DIP switch pin
-1 up-and-down once more.
3. To learn the display’s EDID for source device connected to HDMI IN B to play normally, pull
DIP switch pin-2 up-and-down to stay at ON () and wait for about 5 seconds to complete the
EDID learning process. You DON’T NEED to pull up the DIP switch again un
less you want to
learn another display’s EDID by pulling DIP switch pin -2 up-and-down once more.
When input signal exists, the output format LED turns on. If the input HDMI ™ source is HDMI 1.3
format, you can set the output format to HDMI ™ 1.2 mode and red LED will be on. If the input
HDMI ™ source is HDMI 1.2, the output format is always set to HDMI ™ 1.2. The main purpose of
lower the HDMI ™ 1.3 resolution (36~48-bit color depth) to HDMI ™ 1.2 (24-bit color depth) is to
increase the transmission distance without creating noticeable video quality distortion still at 1080p.
By pressing the push-in button, users can enforce the HDMI output at HDMI ™ 1.2 format for longer
transmission to the display. The AT-HD577 cannot upgrade the HDMI ™ 1.2 source content to
become HDMI ™ 1.3 format.
1. Depends upon the HDMI ™ source content, analog stereo audio output can support up to 7.1-
channel audio.
2. S/PDIF audio output supports main 2 channel audio output only.
3. The main purpose of lower the HDMI
™ 1.3 resolution to HDMI ™ 1.2 is to increase the
transmission distance without creating noticeable video quality distortion.