Attached page II: Notice Instruction
1. During normal operation process, no hot plugging of HDMI line from
the transmitter and receiver is permitted;
2. Please turn on the transmitter and receiver devices after the
transmitter and video source, receiver and TV are connected via
HDMI connection.
3. In case of any failure in upgrade, please unplug and plug the USB
flash disk and USB cable and try to upgrade only after the
connection is normal. If no successful upgrade can be performed
still, please try upgrade again after replacing the USB flash disk.
Regarding the upgrade operation, please refer to the upgrade
operation instruction.