Convection Ovens Pros And Cons HELP - Recent Purchase Of A Kenmore Pro Double Oven?

HELP - Recent purchase of a Kenmore Pro Double Oven? - convection ovens pros and cons

I have recently bought Kenmore Pro double oven. The oven has a setting for the conventional oven or convection oven and a conversion key for regular orders. I'm usually the regular oven and do not mess with the convection oven, even if they convert. I do not understand the process. A few times I tried it as convection with the convert button, and the only thing changing is that cooking oven temperature is lower, to determine not faster. I thought the end with the convection would be faster at lower temperatures to cook. Can you help me?