The most common and most likely answer to this crossword clue is the 6 letter word PRESET
I've seen this crossword clue in The Daily Telegraph
P
R
E
S
E
T
More clues leading to the result PRESET
- Adjusted in advance — Peter’s arranged for it
- Arranged in advance, gift’s not new
- Name missing from gift organised in advance
- Peter’s excited to be ready in advance
- Quietly remain full of energy, ready to go off when required
- Moggy perhaps needing inside residence organised in advance
- Advertising European TV with channel already selected?
- First of nails pulled from gift fixed earlier
- Adjust piano and bring to default position
- Test paper, set without presence of PTA, is determined in advance
Buddy explains!

The straight part
We know that "channel already selected?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case channel already selected? = preset.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does PRESET mean?
PRESET noun- Something that is set in advance.
- To set something in advance.
- Set in advance, or as a default.