4.13 General system settings
Check or set delay volumes
When a module has been installed after the UV monitor in the flow path, the delay volume
has to be adjusted in the System Setting dialog box in UNICORN, to make sure that the
collected fractions correspond to the fractions indicated in the chromatogram.
Delay volumes can be set for the options Detector-Frac, Detector-Outlet valve, Restrictor
volume, and pH cell volume. The delay volume has to be set for all displayed options.
Delay volumes for modules and standard tubing configurations are found in Section 9.12
Delay volumes, on page 505.
Follow the instructions to check/set the delay volumes:
ActionStep
In the System Control module, click Settings on the System menu.1
Result: The System Settings dialog box opens.
In the System Settings dialog box, select Fraction collection:Delay volumes2
Enter new values in the Detector-Frac, Detector-Outet valve, Restrictor
volume, and pH cell volume fields if necessary
3
Click OK.
Lock and unlock the instrument
display
Follow the instruction below to lock or unlock the Pause and Continue buttons of the
instrument display from UNICORN.
ActionStep
In the System Control module, click Settings on the System menu.1
Result: The System Settings dialog box opens.
ÄKTA avant User Manual 29035184 AE 153
4 Optional instrument modules
4.13 General system settings
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