SAGEM STB receiver (white)
Channel rescanning is done as follows:
Select Menu on the digital receiver remote control, then select Setup. Select "Technical settings" and then press "channel search" and select "OK" on "Start search".
This will start the channel search process. Wait for this process to complete and you will receive information on how many channels have been found. Immediately after that, press the "OK" button twice.
STRONG STB receiver (black)
Channel search is done as follows:
Select "Menu" on the remote control of the digital receiver, then select "Channels", and click the "Search" option and "OK". This will start the channel search process. Wait for this process to complete and you will receive information on how many channels have been found.
Watch the video where the method of Rescanning channels and factory settings is described in detail in the DVB-T receiver STRONG SRT8420: https://www.youtube.com/watch?v=lb1OL7mpsqw

KAON 1701D DVB-T (black)
Select "Menu" on the remote control of the digital receiver, then select "Configuration". Click on Channel Installation, select "OK" and enter pin code 1234 (this is the initial pin code). ". Immediately after that select "Auto-Own Screen" and "OK" to start the search. Wait for this process to complete and you will receive information on how many channels have been found. Immediately after that, select "OK" on the "Save" option.
Watch the video where the method of rescanning the channels and factory settings for the KAON 1701D DVB-T receiver is described in detail: https://www.youtube.com/watch?v=9k3Ll7jbUyo