AX2009 AP method of payment set up

Hi there, I am trying to set up the EFT and cheque payment for the business, we are in Australia

The set up is in AX Standard menu > Accounts Payable > Set up > payment >Method of payment

there are quite a bit to set up, can someone tell me :

  • under the “File formats” tab, what are the set up under “Invoice Update” for

  • under the “Payment control” tab, what are each option for

  • under the “Payment attributes” tab, what are each option for

and the “Payment Specification” button, what is that for

Any details or sample screen shots will be much appreciated