SAGEM STB receiver (white)
In this case it is necessary to press twice the "Teletext" button on the remote control of the digital receiver, during which a window will appear on the left side of the television screen showing which list of channels is currently selected. You need to press the forward button (to the right of the OK button) on the remote control of the digital receiver and select "All channels" or "All TV channels". Stop at the "All TV Channels" or "All Channels" option and press the "OK" button. Then press the number 1 button to select channel number 1 (MRTV).

STRONG STB receiver (black)
If only the radio channels are on, you need to press the "TV/R" button on the receiver's remote control twice. This way you will have access to all TV channels.