4 Operating the 850-DS
850-DS Operator’s Manual 65
Option Description
Row Position Row Indicator Pressing the numeric row indicator will display the numeric entry
screen. Enter the desired row number and press RETURN.
Up Arrow Increments the current row number by one.
Down Arrow Decrements the current row number by one.
Move Moves the tray to the position indicated in the row indicator field.
Needle Position Up Arrow Raises the needles.
Down Arrow Lowers the needles.
Tray Position Eject Moves the tray to the eject position.
Home Performs a home of the needles, tray, and pump in order.
Waste Moves the tray to the waste row of the waste block.
Media Moves the tray to the media-replacement row of the waste block.
Rinse Moves the tray to the rinse-row of the waste block.
Current Position An indicator that shows the current position of the tray. If the tray has
been moved to a particular row number, this indicator will be blank and
the tray position will be indicated on the tray image.
Pump Control Volume Press the numeric indicator and enter the volume to be dispensed.
Fill Aspirates the requested volume into the syringe pump.
Dispense Pumps the contents of the syringe pump to the selected location.
To: Needles The requested volume is aspirated from the sample cannula and
pumped out to the needles.
To: Sample Return The requested volume is aspirated from the sample cannula and
pumped out to the return lines.