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Configuring the System
Specifying Plate Parameters
The PLATE command allows plate parameters to be specified for up to 10
plate types.
When setting plate parameters, a default value is displayed for each of the
wash head positions. The default values are factory-set and represent
approximate starting values for each wash head position.
Note: The wash head positions are described
on page 4.
Increasing the value of a wash head position by one unit lowers the head
0.1 mm and decreasing the numerical value of a wash head position by one
unit raises the head 0.1 mm. (e.g. an increment of 20 steps equals one
millimeter of vertical pin travel (+20 = 1mm up, -20 = 1mm down)).
The SHOW command is available when setting each wash head position.
Select SHOW to move the wash head to the indicated position so that the
height can be observed.
For example, when setting dispense height, the default value is 180:
DISP. HEIGHT? 180
SHOW
If, after selecting SHOW, the dispense pins are found to be too low by
approximately 1.0 mm, the dispense height position can be raised by 1.0
mm by entering 170 for the dispense height.
When using the SHOW function when defining the aspirate height, if the
aspirate pins touch the well bottom, increase the aspirate height. If you
cannot move the plate slightly side-to-side and up-down without immediate
interference from the aspirate pins, increase the aspirate height.
30 Opsys MW™ User’s Guide