1. Press the OPERATE button on the RCU.
2. Make sure the RCU is active.
3. if the LED is blinking when the remote is in use try to: Remove batteries, Press repeatedly the buttons, Leave the remote control for a couple of minutes, Insert the batteries
4. Turn the STB off and on.
5. Unplug the power cable for 30 seconds and plug it in.
6. Follow the instructions above for frozen channels.