English2688 PROGRAMMING AND MAINTENANCE MENU8This section illustrates howto set up or modify thevending machineprogramming andmaintenance settings.8Therefore it is necessary tocarefully read it and tounderstand the exactsequence of operationsbefore performing them.8 8.1 Key description ofprogramming andmaintenance phases8To scroll through the vending machine menu, the keysdescribed below are used.8"e" Key: ENTER8By pressing this key it is possible to enter the followingprogramming or maintenance level. It is also possibleto modify or confirm the values set in the entries ofthe programming or maintenance menus.8"c" Key: CANCEL8By pressing this key it is possible to go back to theprevious level of the programming or maintenancemenu. It is also possible to avoid storing the previouslymodified values.8"v" Key: DOWN8Pressing this key it is possible to access the previousentry inside the same level. If used after a settingmodification request, the value of this settingdecreases.88"^" Key: UP8By pressing this key it is possible to access the nextentry inside the same level. If used after requesting thechange of a setting, the value of this setting increases.8888.2 Programming Menu8The structure of the programming menu is indicated insection "Structure of the Programming Menu".88 The section "Description of Messages in theProgramming Menu" describes all the items in theprogramming menu.88.2.1 Access to the ProgrammingMenu8Open the door, disable the safety device (see section"Safety Devices") and press the P1 key to enter theprogramming menu.88888