the controller and installed sensors. Files are downloaded from thecontroller through the controller service port or they can be placed on aSecure Digital Memory (SD) card installed in the controller. In addition,DataCom is used to upload software for the controller and sensors. TheDataCom application must be installed on a PC to read the files.Refer to the DataCom manual for more information on how to use theapplication. The DataCom manual, software updates and otherdownloadable resources are available at http://www.hach.com/download/resources.Update the display languageThe display language can be changed through the Setup menu.1. From the Settings Menu, select sc200 Setup and push ENTER.2. Select Language and push ENTER.The list of language options appears. English is the default languagefor the controller.3. Highlight the language to be used for the controller and push ENTER.The selected language is saved and is used for the controller display.The display returns to the sc200 Setup menu.Update the date and timeThe date and time settings can be changed through the Setup menu.1. From the Settings menu, select sc200 Setup and push ENTER.2. Select Set Date/Time and push ENTER.3. Select Date Format from the Set Date/Time screen and pushENTER.4. Select a format and push ENTER.5. Select Date/Time from the Set Date/Time screen and push ENTER.6. Update the entries.a. Use the right and left arrow keys to highlight a field.b. Use the up and down arrow keys to change the values in the fieldand push ENTER.c. At the end of the date field, push the right arrow to wrap down tothe time fields.d. Use the up and down and arrow keys to update the time fields.7. Push ENTER to save the changes.The controller returns to the Set Date/Time menu.MaintenanceC A U T I O NPersonal injury hazard. Only qualified personnel should conduct the tasksdescribed in this section of the manual.Cleaning the controllerC A U T I O NPersonal injury hazard. Only qualified personnel should conduct the tasksdescribed in this section of the manual.D A N G E RAlways remove power from the controller before performingmaintenance activities.Note: Never use flammable or corrosive solvents to clean any part of the controller.Use of these solvents may degrade the environmental protection of the unit and mayvoid the warranty.1. Make sure the controller cover is securely closed.2. Wipe the controller exterior with a cloth dampened with water, or witha mixture of water and mild detergent.Fuse replacementFuses are not user-serviceable items. The need for fuse replacement incontrollers indicates severe technical failure and is therefore consideredto be a service activity. If a blown fuse is suspected, contact HachTechnical Support.34 English