19© by NECTA VENDING SOLUTIONS SpA 0301 162-00PROGRAMMING MDB DATAThe MDB protocol menu have the following structure:- Type of vending- Return of credit- Maximum credit- Maximum change- Accepted coins- Not returned coins- Minimum level of tubes- Dispensing buttons- Accepted billsTYPE OF VENDINGSetting the operating mode for multiple or single dispens-ing. With multiple dispensing, the change is not automati-cally returned after a successful selection, however it isavailable for further selections. When pressing the coinreturn button, the remaining credit is returned up to the"Maximum change" value setting.RETURN OF CREDITThis function enables/disables the return of credit whenpressing the coin return button.If activated, this function will inhibit the return of change ifat least one purchase is not made.MAXIMUM CREDITThis function is used to define the maximum acceptedcredit.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 in "Change given"mode.Check the label on the coin mechanism for the correct cointo value matching, indicating the position of the coins.NOT ACCEPTED COINSIt is possible to program the rejection of coins when in “Nochange” mode.Check the label on the coin mechanism for the correct cointo value matching, indicating the position of the coins.MINIMUM LEVEL OF TUBESIt brings forward the “Insert exact amount” message for theuser, by adding a number of coins between 0 and 15 to theprogrammed number of coins, to set the “full change tubes”status.DISPENSING BUTTONSThis function enables or not the buttons on the coinmechanism used to release the coins in the change returntubes.ACCEPTED BILLSIt is possible to define which, among the bills recognised bythe validator, are to be accepted.CONSECUTIVE SELECTIONSIt is possible to set the number of consecutive selections (0to 99) (dispensed at less than 2 minutes intervals) afterwhich the machine will not dispense other selections untilthe boiler reaches the correct temperature. With the valueset to 0 (default) the function is disabled.PRE-GRINDINGThis function is used to enable/disable grinding of thecoffee dose for the next selection. This permits the reduc-tion of dispensing time for a coffee selection. The functionis disabled by default.SETTING THE CLOCKThis function is used to set date and time of the internalclock.AUTOMATIC WASHINGOption of setting the time when automatically washing themixers. When setting the time to 24.00 the function isdisabled (default).SETTING THE TIME BANDThis function is used to define the time band for sales atdifferentiated prices.SETTING THE TIME BAND PRICESThis function is used to define the prices to be appliedduring the time band for sales at differentiated prices.JUG FACILITIESThis function is used to define whether or not enable theuse of an external key for consecutive free dispensing.SETTING THE LANGUAGEWith this function is possible to define which language,among the three provided, is to be used for the messageson the display.SETTING THE WASTE CONTAINERIn the “plus” model it is possible to define the number ofselections (150 by default) after which coffee dispensing isblocked in order not to overflow the liquid waste tray, in theevent the machine is not installed on a support cabinet.