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EDID is an acronym for Extended Display Identification Data. Before a source can send a picture and/or audio to
a display (or other sink device), the source requests information from the display on what video and audio formats
it can support. Once the source has this information, it will send the supported picture and audio resolution that is
supported by the display. By default, the AT-UHD-PRO3-1616M loads a "default" EDID on all inputs. This particular
EDID provides the source with the highest common resolution and audio information that is supported by all
connected displays.
For example, if the matrix is connected to a single 1080p display and two 4K/UHD displays, the 1080p resolution will
be used, allowing all three displays to display a picture. However, there may be instances where a specific EDID is
desired. The AT-UHD-PRO3-1616M allows EDID data to be stored, loaded, and copied.
Loading EDID Presets
Using the Front Panel
The AT-UHD-PRO3-1616M provides 14 pre-programmed internal EDID selections. These EDID presets can be
loaded to any one of the eight inputs (HDMI or HDBaseT). Custom EDID data can also be copied to any input. Refer
to
Copying a Downstream EDID (page 40)
1. Make sure the home screen is displayed. If the home screen is not displayed, press the CANCEL button to
return to the home screen.
2. Press the FNC button to display the SELECT FUNCTION screen.
AT-UHD-PRO3-1616M
3. Press the EDID button to display the EDID screen.
1ED
2ED
3ED
1
2
3
1. copy output edid
2. choose input edid
1
2
3
L
R
L
R
L
R
1
2
3
4
5
6
S
S
S
S
S
S
4. Press button 2 to select Choose Input EDID.
5. Enter the input to where the EDID will be copied. Valid entries are 1 through 16.
Once the input is entered, the matrix will confirm the entry. If another input is desired, enter it using the front
panel buttons. Information on the current EDID will also be displayed on this screen.
select input edid
AT-UHD-PRO3-1616M
EDID Management
for more information.
HDBaseT OUT
4ED
5ED
6ED
7ED
8ED
4
5
6
7
8
HDMI IN
AUDIO OUT
4
5
6
7
8
L
R
L
R
L
R
L
R
L
R
L
7
8
9
10
11
12
13
14
15
16
S
S
S
S
S
S
S
S
S
S
IR IN
POWER
FCN
9
10
11
12
13
9
10
11
12
13
9
10
11
12
R
L
R
L
R
L
R
LAN
1
2
3
4
5
6
7
8
9
10
11
S
S
S
S
S
S
S
S
S
S
IR OUT
input:01 press enter
current:internal 02
Basic Operation
1
2
3
4
ENTER
5
6
7
8
CANCEL
EDID
INFO
14
15
16
17
14
15
16
19
HDMI OUT
MAIN
ON
RS-232
IR IN
FW
RX TX
S
12
13
14
15
16
OFF
S
S
S
S
S
S
PWR: 100-240VAC 50/60Hz
18
20
37
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