AT-UHD-CAT-4ED
12
Device Operation
The LED indicators on both the front of the unit provide basic information on the current status of the AT-UHD-CAT-
4ED.
LED Indicators
LED
Description
POWER
Blue
Unit is powered and in normal operating mode.
Red
Unit is in standby mode.
•
Press the
POWER
button to place the unit in normal operating mode.
Off
Unit is not powered.
• Check the power supply and make sure it is securely fastened to the
locking connector on the rear of the unit.
• Make sure that the power supply is connected to an available electrical
outlet and that the outlet is “live” (some outlets are controlled by a wall
switch).
HDMI
IN / OUT
Blue
IN: Source is connected to the
HDMI IN
port.
OUT: Sink device is connected to the
HDMI OUT
port.
Off
IN: No source device connected to the
HDMI IN
port.
OUT: No sink device is connected to the
HDMI OUT
port.
• Check the integrity of the HDMI cable; make sure a secure connection
exists between the HDMI port on the AT-UHD-CAT-4ED and the
source/display device.
•
Try a different HDMI cable.
HDBaseT
1 - 4
Blue
Normal operation. Signal integrity between the AT-UHD-CAT-4ED and the
connected receiver is good.
Off
No connection between the HDBaseT port on the AT-UHD-CAT-4ED and
the receiver unit.
• Check the Ethernet cable for a secure connection.
•
Possible bad cable; try a different Ethernet cable.
LOCK
Blue
Front-panel buttons on the AT-UHD-CAT-4ED are locked. Refer to the API
Locking the Front Panel (page 13)
for more information.
Flashing Blue
The number of flashes indicate whether the unit is in DHCP or static IP
mode. Refer to
for more information.
Off
Front-panel buttons on the AT-UHD-CAT-4ED are unlocked.
INT
Blue
AT-UHD-CAT-4ED is using the internal EDID.
Off
EDID is in “learn” mode.
LEARN
Blue
AT-UHD-CAT-4ED is in “learn” mode. Refer to
for more information.
Flashing Blue
AT-UHD-CAT-4ED is in the process of learning the downstream EDID.
Off
AT-UHD-CAT-4ED is set to INT (internal EDID) mode.
