Combi Flash 7650 Series Manual de usuario descargar pdf (Pagina 52)

CombiFlash Torrent® User Manual

2-32

Automatically Print Report at End of Run – if this option

is enabled, the system will print a report at the end of each

run.

Note

This option requires the system to be configured for network

operation and a connection to a printer on the network. Network

settings are discussed in Section 5, R

EMOTE INTERFACES. Do not

select this option for these initial installation steps.

Beeper – If enabled, the Torrent will sound an alert whenever

user intervention is required during a run.

Default Run Units – Run units are displayed along the

X-axis of the chromatogram. Select Time (in minutes) or

Column Volumes. A column volume unit is the time it takes to

pump enough solvent to exchange the volume held by the

column. The duration in minutes will vary according to the

column media and size, and the flow rate.

Gradient Method – Select the standard gradient type

(Figure 2-20).

Figure 2-20 Gradient types

• Linear – The system gradually mixes solvents A and B

from the last programmed %B until it reaches the next

programmed %B. This method connects the inflection

points that define the gradient with a straight line.

• Step – The system holds each %B value until it reaches

the next programmed %B. Because the system holds the

%B values, the changes at each new value are nearly

instantaneous, producing a stepped appearance on the

plot area.

• Isocratic – The system holds the initial solvent mix for

the entire run.

IsocraticStepLinear

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Combi Flash 7650 Series Manual de usuario Pagina 52