Please note to add channels to your "Other Channels" option:-
On your Sky remote control
Press 4 (System Set Up)
Press 4 (Add channels)
Put in the frequency for the stronger channel/s you want to store.
Select Find Channels and Press Select
Press Yellow against the required channels to store (a tick will appear against the selected channels) and press Select.
To view them press services then other channels & use the arrow key to move to the channel you want to watch & press select
To access these channels on Sky HD receivers
Navigate to Other Channels
Highlight the channels you want and press select.