How to make Remaining unit & Budgeted unit same

Hi

Lets one Activity duration 10 days

one Resources added, In time of adding following result comes

Remaining Units/Time           Budgeted Unit               Remaining Unit

8hr/d                                             80                              80

When I am changing Remaining Units/Time to 2hrs/d it is not changing Budgeted Unit where as Remaining Unit changes to "20"

My Question - does it effect in schedule if I will not change the Budgeted Unit manually ??

Q2 - How to do Global change for Remaining Unit = Budgeted Unit for all activities.

Note - Base line has not created. Resources - Auto Compute Actuals & Cost calculate from units both are unchecked.

Regards

Madan