It is grammatically correct, but not natural. " Some ovens have temperature dials, and some have digital readouts with a button to set the temperature higher or lower, but you don't turn a button. Also, the way the sentence is structured, it makes it sound like two idependent processes: using the oven and setting the temperature.
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Grammar GeekIt is grammatically correct, but not natural.
Try "I used the highest temperature setting on the oven."
or possibly "I used the oven at the hightest temperature setting."
Some ovens have temperature dials, and some have digital readouts with a button to set the temperature higher or lower, but you don't turn a button.
Also,