Question 79, Aircraft General Knowledge - PPL(A) - Private Pilot License

If the subscale is set to a lower than actual pressure, the indication is too high. This may lead to much closer proximity to the ground than intended
If the subscale is set to a higher than actual pressure, the indication is too high. This may lead to much closer proximity to the ground than intended
If the subscale is set to a lower than actual pressure, the indication is too low. This may lead to much closer proximity to the ground than intended
If the subscale is set to a higher than actual pressure, the indication is too low. This may lead to much greater heights above the ground than intended