English8438 PROGRAMMING AND MAINTENANCE MENUThis section illustrates howto set up or modify thevending machineprogramming andmaintenance settings.Therefore it is necessary tocarefully read it and tounderstand the exactsequence of operationsbefore performing them.8.1 Key description of programmingand maintenance phasesTo scroll through the vending machine menu, the keysdescribed below are used.“e” Key: ENTERBy pressing this key it is possible to enter the followingprogramming or maintenance level. It is also possible tomodify or confirm the values set in the entries of theprogramming or maintenance menus.“c” Key: CANCELBy pressing this key it is possible to go back to theprevious level of the programming or maintenance menu.It is also possible to avoid storing the previously modifiedvalues.“v” Key: DOWNPressing this key it is possible to access the previous entryinside the same level. If used after a setting modificationrequest, the value of this setting decreases.“^” Key: UPBy pressing this key it is possible to access the next entryinside the same level. If used after requesting the change ofa setting, the value of this setting increases.8.2 Programming MenuThe structure of the programming menu is indicated insection "Structure of the Programming Menu".The section "Description of Messages in the ProgrammingMenu" describes all the items in the programming menu.8.2.1 Access to the ProgrammingMenuOpen the door, disable the safety device (see section“Safety Devices”) and press the P1 key to enter theprogramming menu.If no password has been assigned, the programming menuis entered directly.