Retriever IV Fraction Collector User Manual - Isco

Retriever IV Fraction CollectorSection 1 Introduction8 9 10 11 122 3 4 5 6 7Figure 1-2 Front Panel Controls and Indicators1Table 1-2 Front Panel Controls and IndicatorsItem No.on Fig.1-2Control or Indicator Description Purpose1 Standby/Operate Rocker switch In the Standby position, power is applied to theanti-condensation heaters only.WarningAC mains voltage is present at all times inside the instrument. Alwaysdisconnect the unit from AC mains before removing the case top.In the Operate position, power is applied to the internalcircuitry instead of the heaters.2 Pause/Run Slide switch Allows the fraction collector to be stopped temporarilyduring collection or while collecting the void volumewithout erasing the tube totals.3 Void Vol Push button Activates the void volume feature which diverts flowfrom the collection tubes via an optional valve.4 Time/Vol/Drop Slide switch This switch selects whether the fraction size will bebased on minutes, drops, or volume units.5 Time/Count Thumbwheel switches These three switches allow you to select the size offraction collected.6 X1/X10 Drops/Min Slide Switch Multiples the Time/Count thumbwheel switches by afactor of 1 or 10.7 Advance Push button Advances the fraction collector and rests the countingcircuits.8 Units LED Display Displays the total number of units (X1 or X10) collectedin the tube at the collection station.9 Void Vol Red LED Indicates the initial void volume is being diverted towaste.10 Delay Timer (Sec) Thumbwheel switches Sets a delay time in seconds for synchronized peak collectionwith an accessory peak detector.11 Delay Red LED Indicates the delay timer is running.12 Tubes LED Display Displays total number of tubes that have completed collection.1-3