2 Getting to know the Wide Format Copy SystemWide Format Copy System User Guide 29• When in the entry state for numeric entry fields, pressing this key acts as a backspace/deletekey. When the last digit is deleted, the numeric field goes to zero.• When in password entry and string entry fields, pressing this key acts as a backspace key.When the last character is deleted, the field is blank.• When in quantity entry fields, pressing this key clears the fieldto 1.Special Features KeysThe special features keys are used to activate, deactivate, or change parameters associated withspecial features. An indicator lamp adjacent to each feature key illuminates whenever thecorresponding feature is activated.The special features keys include the Printer Interrupt, Store/Recall, Finisher, Sets Build,Batch, Transform, and Sample keys. These keys are described in detail in the Special featureskeys section of this guide.Scan Control KeysThe Start and Stop keys control the scanning and printing of images.Start key:The Start key is used to begin the copy sequence when the AUTOSCAN feature is not enabled.If you press the Start key while the status is NOT READY or INVALID AUTO COMBINATION, thesystem will beep to indicate an invalid key press. If you press the Start key while the status isREADY TO COPY or READY TO SCAN, the document is scanned.NOTE: INVALID AUTO COMBINATION indicates an incompatible combination of AUTO settings(i.e., Media Selection, Source set to Sheet or Auto, Media Selection, Output Format set toSynchro, and Reduce/Enlarge set to Auto).Stop key:The Stop key allows you to immediately stop the scanning operation to prevent damage to thedocument. Any scanned information is discarded. The READY screen prompts you to removethe document.