4-11Chapter 4 Other Functions4. User Mode FunctionsThe following functions are available in the User Mode.■ Buzzer (Beeper) Control SettingThe beeper (“buzzer”) sounds when you press the controlpanel keys and when a scanning error occurs.ON2: The beeper sounds when a scanner error occurs.ON1: The beeper sounds when a scanner error occurs, andwhen a control panel key is pressed.OFF: The beeper never sounds.■ Double-Feed Control SettingSelect whether double-feed detection is enabled when theCount-Only mode is enabled. If you set DFD Control to[ON], double feeds are detected during feeding in theCount-Only mode. (See “Double-Feed DetectionFunction” on p. 4-5.)■ Double-Feed Retry SettingWhen a double feed is detected with Ultrasonic double-feed detection, the Double-Feed Retry function transportsthe double fed pages back to the feeder inlet and triesscanning again.IMPORTANT• You can specify the number of times to retry. When doublefeeding continues to be detected after retrying the specifiednumber of times, an error message is displayed and scanningstops after the document is ejected at the eject outlet.• Pre-imprinter printing is only available when the scanner’sDouble-Feed Retry function is set to OFF.■ Staple Detection SettingSelect whether staple detection is enabled when the Count-Only mode is enabled. (See “Staple Detection Function”on p. 4-6.)ON: Detects staples in the Count-Only mode.OFF: Does not detect staples in the Count-Only mode.■ Staple Detection Level SettingSets the staple detection sensitivity level.[1] is the default setting, [2] provides higher sensitivity,and [0] provides lower sensitivity.■ Long Document Mode SettingYou can enable this mode to detect and scan documentpages up to 118.1" (3 m) long when the Auto Detectionpage size setting is selected. (See “Long Document ModeSetting” on p. 3-5.)ON2: Automatically detects page sizes when scanningdocuments up to 118.11" (3 m) long.ON1: Automatically detects page sizes when scanningdocuments up to 39.37" (1 m) long.OFF: Automatically detects page sizes when scanningdocuments up to 17.01" (432 mm) long.