MS Point of Sale 2.0 - How to handle check drops?

For opening and closing amounts, we keep a set amount of cash in the drawer. During business, cash and checks are accepted. At the end of day, we are doing a "drop" of the amount of cash AND checks added together (since POS does not have a position to do "check drop". We still balance overall but the z report indicates the overage/shortage of the check amount in the close section. Is this the correct way to close? Should there be position to enter the amount of checks that we are dropping? If we leave the amount of checks in the closing amounts window, will POS map this into Quickbooks as a drop? Any suggestions are appreciated. thx.