Freeview viewers in the North East will need to retune their televisions and boxes today as digital switchover gets underway.
The BBC Two analogue signal will be turned off shortly after midnight on Wednesday.
The first stage of digital switchover in the Tyne Tees region will begin next week as the BBC Two analogue signal is switched off.
John Askew from Digital UK explains how the first stage of digital switchover in the Tyne Tees region has been completed.
Some viewers watching on analogue from Pontop Pike transmitter might see BBC One by selecting the button for BBC Two because a change in frequency.
Almost 90,000 homes can now view digital television after the BBC Two analogue signal was switched off last night.
Anyone watching digital television through an aerial service like Freeview, BT Vision or Top-Up TV will need to retune today and again on the 26th of September when the digital switchover will be complete.
Digital UK will be running a series of roadshows over the coming weeks as the region prepares to switch to digital television. For a full list of where and when the advice sessions are taking place, visit the Digital UK website.
Additional help sessions are also being organised by the Switchover Help Scheme.
For a full list of locations and times, visit the Switchover Help Scheme website.
There is just over a month to go until the digital switchover takes place and the old analogue TV signal is switched off.
The TV Presenter Maggie Philbin was in the region today to launch a new scheme, it's called Helping Hands. She was joined by a group of Brownies from Gateshead who've all pledged to help someone they know switch to digital television.
If you haven't converted to new equipment by September 26th, you'll no longer be able to watch ITV1 Tyne Tees, or any of the other main channels.
For more information visit the** Switchover Help Scheme website.**