Barnstead|Thermolyne D11911 Operation Manual
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Contents
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SwitchesWhen the main power switch (on the lower back right sideof the unit as you face the unit) is ON, the switches onthe control panel function as follows:START/STOP allows you to alternate the unit betweenthe normal (recirculation) mode; when the display isshowing purity, and the (Idle) mode.STANDBY allows you to put the unit into standby, recircu-lating water for 10 minutes/hour. The display will read“Standby” during periods of inactivity and “Recirculating”and the time remaining during the 10 minute recirculation.DISPENSE allows you automatically deliver water fromthe unit. Please refer to”Automatic Dispensing” in the“User Settings” section of this manual for information.UP and DOWN arrows allow you to scroll between menuoptions/items and values.BACK allows you to return to the previous menuoption/item. Please note that use of the BACK switchfrom a selection screen will return you to the previousmenu option/item while maintaining the selection’s valueupon entry.ENTER allows you to activate a selected menuoption/item and also functions as “Yes” whenever anoption with a question mark appears.DISPENSE KNOB when the unit is in the recirculationmode, push to the right to deliver water continuously untilpushed back to the middle. Push to the left to deliverwater manually until button is released.16CONTROLSNoteThe unit MUST be in the normal recir-culating mode (when the display isshowing purity) in order to dispensewater. |
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