EN-22 RANGER®7000 SCALESZero CheckZero check is used when comparing subsequent samples to an initial reference sample. In this case, the UNDERlimit must be a negative value and the OVER limit must be a positive value.Place the reference item on the scale and press Tare. Remove the reference sample and place the item to becompared on the scale to determine if it is within the ACCEPT range.4.3.4 Input/Output (I/O) SetupThe I/O’s can be customized for various user preferences.The I/O’s are defined below (defaults in Bold).Item Available SettingsDiscrete Input 1 Off, Zero, Tare, Clear Tare, Print, Unit, AccumulateDiscrete Input 2 Off, Zero, Tare, Clear Tare, Print, Unit, AccumulateDiscrete Output 1 Off, Under, Over, Accept, Under/OverDiscrete Output 2 Off, Under, Over, Accept, Under/OverDiscrete Output 3 Off, Under, Over, Accept, Under/OverDiscrete Output 4 Off, Under, Over, Accept, Under/OverNote: The I/O’s will only work when the I/O Option Board have been installed. See the Accessory list in section 9.4for information. The option I/O board provides two isolated inputs and four dry-contact normally open relay outputswhich can be used for simple process weighing.Press the button to enter the Main Menu.With the button corresponding to the icon, go downthe list and highlight Application Mode. Enter this sub-menuby pressing the button corresponding to the icon.In the Application Mode menu enter the Check sub-menu.The Check sub-menu is now displayed.Select the list item and press the button corresponding to theicon to change the setting as desired.www. .com information@itm.com1.800.561.8187