Combi Flash 7650 Series Manual de usuario descargar pdf (Pagina 91)

Section 4 User Help Reference

4-11

the left side of the window changes to show a collection point

map or the method parameters in a P

EAK COLLECTION DATA

[4.3.1.5] pane.

4.3.1.1 Gradient Plot

The gradient plot area depicts the current gradient that will

be used for the run. The X-axis of the plot displays the run

time in minutes or C

OLUMN VOLUMES [ON-LINE]. The X-axis scale

can be adjusted by typing or selecting the Run Length. The

left Y-axis displays absorbance units and the right Y-axis

indicates the percentage of solvent B. By default, PeakTrak

automatically scales the left Y-axis to best display the

absorbance trace. PeakTrak also sets the right Y-axis to 100%.

You can override the Y-axes scales by clicking the Format

Graph button and setting the desired values.

The Cartridge Bypass button may be used during a run to

relieve backpressure caused by impurities precipitating in the

solid load cartridge. Use this feature with care to avoid leaving

desired compound on the cartridge. Read more about this

feature in B

YPASSING THE SOLID LOAD CARTRIDGE [4.4.8]

If the external detector option is enabled, the plot area will

include a secondary left Y-axis to display the analog input

trace.

The gradient plot area also provides a convenient method to

edit the gradient curve. You can click and drag any of the

points to change the shape of the curve and use the buttons at

the bottom of the plot area to insert and delete points. For

complete instructions on defining gradient curves, see

EFINING A GRADIENT [4.4.5].

4.3.1.2 Run Settings

• RediSep — PeakTrak reports the detected RediSep

column media and size. The column should match the

one that will be used for the run. You may override the

detected column size by selecting a different size or

media. See also: R

EDISEP RF COLUMN SELECTION GUIDE

[ON-LINE] and ABOUT REDISEP RF COLUMN DETECTION

[ON-LINE].

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Combi Flash 7650 Series Manual de usuario Pagina 91