The dish box needs to be a HD box to receive the HD stations in HD.
A Sky HD Box Is Sky Box But It Has HD Channels So You Can Watch Programmes In High Deffinition.Hope It Helped.
You have to buy a HD ready TV or connect your TV with a Set Top Box.
At the moment £49 for the box and £10 extra a month for the HD channels
'Sky' is a digital TV company, who also provide Internet and Telecommunication services to it's subscribing customers. A 'Sky+ HD' Box is an upgrade from a standard 'Sky+ Box'. The 'Sky+ HD' Box gives the subscriber the opportunity to receive certain 'High Definition' and '3D' TV channels through their HD and 3D TV. 'HIgh Definition' TV channels are said to have a superior quality over normal TV channels.
Cable companies often provide an extra box to offer HD channels. The box offers customers will all types of TV's to get HD channels on a regular basis. Some boxes cost extra to provide. Check with your cable company to see if you need to pay extra.
Viewing the high definition (HD) channels provided by cable company Comcast require specific equipment. First, an HD television is needed. Then, an HD set top box from Comcast is needed.
After you have the new box connected, you need to call the company and tell them the serial number of the new box for them to electronically turn it on. If it is a HD box they will need to send you the HD channels.
A Sky receiver will receive and record all programmes that the subscription allows. If an HD box is being used with a subscription that doesn't allow HD programming to be received, the record function will be limited to SD only. However, you can record the free HD channels as long as you have an active subscribtion to sky plus (without the HD pack)
As long as the Digi Box is capable of receiving the HD Channels, otherwise you may need to update you Ariel
There are 66 HD channels offered by Sky HD.
On most cable company hookups you won't get HD without the HD converter box.