Sony SLV-N81 Operating Instructions Manual page 46

If the picture is not clear
Normally, the Auto Fine Tuning (AFT)
function automatically tunes in channels
clearly, if, however, the picture of a channel
is not clear, you can also use the manual
tuning function.
"CD (22)'(2D
"(2D (2Z) CD
_'Q'Q
©.Q.@
'-- Number
buttons,
ENTER
-- MENU
- t/$/_-/-*
OK
1
MENU
©
@
Press MENU, then press _/,_, to highlight
SETTINGS and press OK.
46
Presetting channels