2) Press and hold down the "Back Up" button...
3) WHILE HOLDING IT DOWN, disconnect then reconnect the power to the receiver (do not release the back-up button yet).
4) About 20 seconds after reconnecting power, all four coloured lights will illuminate on the front of the receiver.
If the TV is switched to Sky a message will also appear on screen.. "Updating System Software".
5) Only after the four lights illuminate and the message appears should you release the back-up button.
6) After about 10 minutes the receiver will return to "standby" (i.e.. red LED only).
7. Leave the receiver in standby for 1 minute as it carries out a self check.
. Switch receiver out of standby (green LED illuminates).9) The receiver will take a few minutes "Searching For Listings".