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Section 10. Troubleshooting
Symptom
Root cause
Action
Refer to
HDMI output
signal contains
no audio
DVI EDID is
emulated
Check the EDID and select an HDMI
EDID to emulate.
section
Serial and Infra modules
Connected
serial device
cannot be
controlled
Cable
connection
problem
Check the connectors to fit well;
check the wiring of the plugs.
Serial settings
are different
Check the serial port settings in the
MODEX to meet with the
requirements of the serial device.
Serial port is
muted
Check the mute state of serial
port(s).
Serial
crosspoint is
not set properly
Check the crosspoint state of Serial
layer.
Connected IR
device cannot
be controlled
IR Emitter
and/or detector
connection
problem
Check if the IR emitter is plugged in
the IR output, and the IR detector in
the IR input connector.
IR carrier
frequency
setting is
different
Check the IR settings in the MODEX
to meet with the requirements of the
IR device.
IR port is
muted
Check the mute state of IR port(s).
Infra crosspoint
is not set
properly
Check the crosspoint state of Infra
layer.
Front panel menu
Navigation
buttons are out
of operation
LCD home
screen is
locked
Connect to the MODEX via the built-
in web and unlock LCD.
Settings cannot
be changed on
front panel
Setup is
disabled on
front panel
Connect to the MODEX via the built-
in web and unlock front panel setup.
LAN (Ethernet)
No LAN
connection can
be established
Incorrect IP
address is set
(direct connect)
Disable DHCP server and set the IP
addresses to be in the same subnet.
IP address
conflict
Change the IP address to a not
reserved one or enable DHCP if
DHCP server exists in the network.
USB
USB device
does not
operate
Cables are not
connected on
both sides
Check the USB cable between TX
and the computer.
Not supported
USB device is
connected
Keyboard, mouse (USB HID
devices) are supported mostly,
check your device type.