The instructions below are how to set the Payment Sense Terminal to Stand Alone. This may need to be done temporarily if the integration is faulty to be able to still use the terminal as a card machine.
From the home screen of the card terminal (where the Paymentsense logo shows), press F4.
Enter the supervisor password (default is 123456 or 01483) and press ENTER
Press F4 to turn Standalone Mode on. It will flash up advising Till Mode is off
Press Cancel and this will reset the terminal. It will then restart in Standalone Mode
The site can now key in their payments directly on to the terminal without using EXact
Instructions on how to set it back to integration mode are here [Add link]