Bio-Rad ChromLab™ Software - Manual (Page 107)

Running an Experiment
User Guide | 105
4. (Optional) Double-click the Column Switching Valve module, if installed, choose
the following settings, and close the dialog box.
a. Select the column position or click Bypass.
b. (Optional) Select the Reverse Flow Direction checkbox to cause the buffer
to flow from the column bottom to its top instead of from top to bottom.
5. Double-click the Sample Inject Valve module and set the valve to Manual Load
Loop.