Metrohm 714 IC Metrodata User Manual

Page 40

3 Learning by doing

IC Metrodata for Win95

Modify calibration

•

Select

Open method

of the

File

menu.

•

Select the method used for calibration in the

File Open

window and

click

. An empty chromatogram window appears.

•

Select

Calibration / Graphs

of the

Method

menu. The

Component

win-

dow appears in which the calibration curves and the corresponding

data are displayed.

•

Check with the aid of the graphic representation and the displayed

percentage residual mean standard deviation

RSD

whether the

calibration curve fits optimally the calibration points. Select another

function in the

Formula

field if this is not the case.

•

If you select a new function the message

You attempt to change

GLOBAL parameter! Recalculate all components?

appears.

Click either

Yes

, if all components should be recalculated with this

new function or

, if only the displayed component should be re-

calculated.

•

Select one component after the other in the

Component

field and

repeat the procedure to modify the calibration curves.

•

Close the

Component

window by clicking