
6
Installation Guide
AT-RON-444
LED
Description
POWER
The AT-RON-444 is powered.
The AT-RON-444 is not powered.
•
Check that the power supply is connected to the AT-
RON-444 and that the electrical outlet is live.
SYNC
The
HDMI IN
port is connected to an active source.
The AT-RON-444 is not detecting an active source.
•
Check that the source is powered on and that the source is
connected to the
HDMI IN
port.
•
Check that the HDMI cable, between the AT-RON-444 and
the source, is securely fastened.
•
Try a different HDMI cable.
1, 2, 3, 4
The
HDMI OUT
port is connected to a display or other sink
device.
The AT-RON-444 is not detecting a sink device.
•
Check that the sink device is connected to the proper
HDMI OUT
port.
•
Check that the HDMI cable, between the AT-RON-444 and
the sink device, is securely fastened.
•
Try a different HDMI cable.
INT
The AT-RON-444 is using the built-in internal EDID.
The internal EDID is not being used.
LEARN
The EDID learning process is complete and the AT-RON-444 is
using a learned EDID from a sink device.
This LED will flash while the AT-RON-444 is learning the EDID.
The AT-RON-444 is not using a learned EDID.
LED Indicators