Each daily price can be used for any combination of channels and your booking page. Use the tick boxes at Settings > Properties > Rooms > Daily Prices > Enable to specify which channels the price can be used for.
[[Image:Channel-Manager-Daily-PricesPrices_.png|500px|link=]][[Media:Channel-Manager-Daily-PricesPrices_.png|view large]]
If you have multiple rate codes at a channel, you can map different daily prices to each and enter the rate code for the channel in the daily price settings.