Back Panel

AT-HDDA-8

FIRMWARE	HDMI	IN
1	2

ANALOG				SPDIF	1	2	3	4	5	6	7	8
-	+	+	-
	L	R
							OUTPUT

BACKUP

DC 5V

MAIN

DC 5V

1.Firmware port: Mini USB port used for firmware updating

2.Analog Audio OUT: De-embeds 2Ch audio to an audio amplifier (ex. AT-PA100-G2)

3.S/PDIF OUT: De-embeds audio up to 5.1 Dolby Digital 5.1 or DTS 5.1 to an audio/video receiver

4.HDMI IN: Connect to an HDMI source

5.HDMI OUT: Connect to an HDMI display

6.Back up power port - Connect second optional power supply (AT-PW5V3A-LOCK-sold separately)

7.Main power port - Connect main power supply to this port.

EDID (Extended Display Identification Data)

When the HDDA is completely connected and turned on it will load the Internal EDID™ automatically, which supports the highest common native video resolution and audio format of the devices.

Example: With a mix of resolutions and audio formats the HDDA will default to the highest common video resolution and audio format. In the diagram below the default would be 720p with 2ch audio. Multi-channel audio and 3D are not enabled on internal mode, unless all devices support these features.

AT-HDDA-8

FIRMWARE

HDMI IN

								1080p-Dolby TrueHD (3D)
									Output 1
				POWER SYNC						INT LEARN
				M	B	1 2	3	4 5 6 7	8
										EDID
ANALOG	SPDIF	1	2	3	4	5	6	7	8	BACKUP MAIN
- + + -

OUTPUT

DC 5V

720p-2ch

Output 2

1080p (3D) Dolby TrueHD

EDID learn mode loads the highest supported resolution and audio format between output 1 and the source and mirrors to all outputs. *EDID learning only available for output 1*

To learn EDID press and hold the EDID button until the EDID learn LED flashes. Learning is completed once the LED is solid.

Note: Using the above diagram, output 2 will receive no audio or video once EDID is learned.

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