Bio-Rad ChromLab™ Software - Manual (Page 72)

3 | System Control
70 | NGC Chromatography Systems and ChromLab Software
When the delay volume is set, the fraction collector or outlet valves wait for the
fraction peak to travel from the detector to the drophead (or port) before collection
begins. Fraction collection on the instrument can be delayed relative to the
collection information shown in the chromatogram and status panels. When the run
reaches the end of rack or the last port on the outlet valve, the chromatogram and
status panel might display the start tube and rack or new outlet port before
collection actually starts.
Note: If an outlet valve is included in the fluidic scheme and you change the
collection port or fraction size during the run, the first container in the new
scheme collects the designated fraction size as well as the indicated delay
volume. All succeeding fraction containers collect only the designated fraction
size.
To set the delay volume
1. Select File > System Settings to open the System Settings dialog box.
2. Choose the Delay Volume tab.