Originally Posted by
appDude
Except setting local altimeter as you cross the TL does not always help the jet think. If you have a 300 ft altimeter change at FL180 and an altitude to make at 16k or 17k, your just made you day interesting. Setting it in the mid 20s or higher (as long as there are no FL restrictions) makes the descent work much better.
It doesn't have near the impact a speed edit does as you descend.