There is a preset option available for authorizing fueling points, which includes options for setting volume, money, or selecting different price groups. The DOMS protocol also supports extended authorization that can combine these options; however, the Demo POS has implemented these options as exclusive.
When a pump is authorized with a preset, any transaction made by that pump will automatically be locked with the POS ID of the connection that authorized it. Once the transaction is completed, the preset will be canceled. If there has been a change in the price group, the default pricing will be reinstated for that fueling point.
To use this function successfully, the fueling point must be in an "Idle" state. Simply select the fueling point in the Demo POS, click on the Preset button, fill out the form, and then click OK.
Each of the three options is discussed under a separate topic:
