23© by N&W GLOBAL VENDING SpA 02-2007 266 00MDBThe menu of the MDB protocol is used for defining:Type of vendingSetting the operating mode for multiple or single dispens-ing. With multiple dispensing, the change is not returnedafter a successful selection; however the credit is availablefor further selections. When pressing the coin return button(if the function is enabled), the available credit is returnedup to the maximum change value.Change controlTo enable/disable the operation of the coin return button.Maximum creditIt is used to define the maximum accepted credit.Maximum changeIt is possible to set a limit to the total amount of changereturned by the coin mechanism when pressing the coinreturn button or after a single dispensing serving.Any credit exceeding the amount programmed with thisfunction will be cashed.Accepted coinsIt is possible to define which, among the coins recognisedby the validator, are to be accepted when the change tubesare full.Check the coin mechanism configuration for the correctcoin to value matching.Returned coinsIt is possible to define which, among the coins available inthe tubes, are to be used for returning the change. Thisparameter is active only with coin mechanisms that auto-matically control the choice of tube to be used (Autochanger payout).Check the coin mechanism configuration for the correctcoin to value matching.Accepted billsIt is possible to define which, among the bills recognisedby the reader, are to be accepted.Check the reader configuration for the correct bill to valuematching.Minimum level of tubesThis function is used for setting the number of coins (0 to15) to determine the status of full change tubes and the“Insert exact amount” message for the user.Accepted coins with “exact amount”It is possible to define which, among the coins recognisedby the validator, are to be accepted when the machine isin the “exact amount” condition.Check the coin mechanism configuration for the correctcoin to value matching.Accepted coins with “exact amount”It is possible to define which, among the bills recognisedby the accepter, are to be accepted when the machine isin the “exact amount” condition.Check the accepter’s configuration for the correct bill tovalue matching.INITIALISINGWhen the “Initialise” function is displayed the vendingmachine can be initialised restoring all default data.This function should be used if there is a memory data erroror when the EPROM is replaced.All statistic information will be reset.Press the confirm button “ ” and the display will indicatethe message “Confirm?”. Press the button “ ” again todisplay the first changeable parameter to define the ma-chine configuration.The available options (blinking) can be scrolled with the“ ” and “ ” buttons, the selection is confirmed with button“ ” and the next parameter is presented. When pressingbutton “ ” after the last parameter the display will show themessage “Working” for a few seconds and the machine isinitialised.The parameters are as follows:Machine typeAccording to the models, it is possible to select Automaticor Semiautomatic“Country”By setting the country it is possible to set the type of dosesto be used for the selections“Layout”Layout of containers and selection menu from the avail-able ones“Tank”Water supply from the mains or from the internal tankSETTING THE MACHINE CODEWhen the “Machine code” function is displayed the identi-fication code number of the machine can be changed (fromthe default 0000 up to 9999).Press the confirm button “ ” and the current code numberis displayed; then press the change button “ ” and the firstdigit will start blinking.The value of the blinking digit can be increased or de-creased with the “ ” and “ ” buttons.When pressing the confirm button “ ”, the blinking digit willtake on the displayed value and the next digit startsblinking.