Sony VGX-XL3 - Manual (Page 66)

VGX-XL3 Digital Living System 63
9 Select I will manually configure my TV signal , and then select Next to
continue.
10 On this screen, tell the wizard what type of TV signal you have. Also note that
if you have a standard TV signal and you have installed a digital ATSC tuner
and antenna, the antenna signal will be configured later in this process..