Sony KDL-20S4000 Operating Instructions Manual page 25

Skip
Skips unused analogue channels when you press PROG +/- to select channels. (You
can still select a skipped channel using the number buttons.)
Decoder
Views and records the scrambled channel selected when using a decoder connected
directly to scart connector / 1, or to scart connector / 2 via a VCR.
Note
Depending on the country/region selected for "Country" (page 5), this option may not be
available.
Confirm
Saves changes made to the "Manual Programme Preset" settings.
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