Transfer source line from one CAP asset to new created CAP asset - How to influence the Amortization

Hi,we are following the steps below to transfer source line from one CAP asset to new created CAP asset. Amortize adjustment check box is checked. Question is how to influence the Amortization Start Date?

1. Navigate to Financial Transactions > Task Perform Financial Transactions.
2. Enter the search criteria to find the asset from which a  source line is to be transferred and click on Search.
3. Highlight the transfer source line from asset and click on the Actions button > Manage Source Lines > Transfer or click on the Transfer Source Lines button directly.
4. Highlight the invoice line to be transferred from and enter the full or a partial invoice amount to be transferred.