Hach DR 1900 Basic User Manual

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Figure 7 Single screen display1 Progress bar 8 Time and date2 Program name and number 9 Read (contextual: OK, select, start, edit)3 Reading value and unit 10 Zero (contextual: navigation keys UP, DOWN,RIGHT and LEFT arrows)4 Wavelength 11 Options (contextual: cancel, back, stop, exit, store,select, deselect)5 Battery status 12 Operator identification6 AC power icon 13 Sample identification7 Control bar4 14 Control number for LCK methodsNavigationThe instrument contains menus to change various options. Use the navigation keys (UP, DOWN,RIGHT and LEFT arrows) to highlight different options. Push the RIGHT selection key to select anoption. Enter an option value with the navigation keys. Push the navigation keys (UP, DOWN, RIGHTand LEFT arrows) to enter or change a value. Push the RIGHT arrow to advance to the next space.Push the RIGHT selection key under Done to accept the value. Push the LEFT selection key to exitthe current menu screen to the previous one.StartupSet the instrument to on or offPush the POWER key to set the instrument to on. If the instrument does not come on, make surethat the batteries, or the power module, are correctly installed or that the AC power supply iscorrectly connected to an electrical outlet. Hold the POWER key for 1 second to shut down theinstrument.Note: The Auto-Shutoff option is also used to turn off the instrument. Refer to the expanded manual on themanufacturer's website.Set the languageThere are two options to set the language:4 The control bar shows the relationship of the reading result with the reading range. The barshows the reading result independently of any dilution factor that was entered.10 English