Software Manual
3   |   System Control
38    |    NGC Chromatography Systems and ChromLab Software
Changing Chromatogram View Settings
You can change trace display attributes and other run view settings in the System 
Control window. Changes you make to the following settings are saved and used in 
the display of subsequent runs:
 Trace Show/Hide state
 Trace color
 Trace y-scale range (Min/Max y values)
 Active x-scale units
 Show/Hide state of events, fractions, errors, and annotations
Delta Col 
Pressure
Column Switching Valve Available when at least one column switching 
valve is present
Tip:   When two or mor
e column switching 
valves are present, the traces appear in 
different shades of blue on the 
chromatogram. The trace number 
corresponds to the valve number in the fluidic 
scheme. For example, 
Col Pressure 1 in the 
legend and the chromatogram corresponds 
to C1 in the fluidic scheme.
Sample Pump 
Pr
essure
Sample Pump Sample pump pressure (psi or MPa)
Temperature Single-Wavelength UV 
and Multi-W
avelength 
UV/Vis Detectors
The temperature of the fluid, read at the Single-
Wavelength UV or Multi-Wavelength UV/Vis 
module
Flow Rate System Pump Current system flow rate (ml/min)
Sample Pump 
Flow Rate
Sample Pump Sample pump flow rate (ml/min)
Table 1.  Trace Definitions, continued
Trace Module Explanation










