There are two LED indicator lamps on left of the card. The red one on the top of the
baffle is error (ERR) indicator lamp. The green one on the bottom of the baffle is state
(STATE) indicator lamp .When Transmitting Card is working ordered, ERR lamp will be
light off and STATE lamp will be flashing 2s alternately.
ERR: ERROR indicator lamp is red. Light off, means the DVI signal is normal. Flicker,
means the DVI signal is inaccuracy. Always light, means firmware error, need to
upgrade the firmware.
STATE: STATE indicator lamp is green. Flicker, means there is DVI signals input.
Always light, means there is no DVI input. Light off means hardware fault.