Metrohm 797 VA Computrace - Manual (Page 220)

8 How to ...?
797 VA Computrace – Software
208
11. Start the measurement by clicking the icon or the
button (see Performing exploratory measurements,
section 4.2).
Note: As soon as a signal curve is measured or loaded, the volt-
ammetric parameter get read only. Should the parameters be
changed before measuring a new signal curve, the button
needs to be clicked.
Evaluate signal peaks automatically
1. Select the desired signal file in the Signal field of the EXPLORA-
TORY CURVES window. The selected signal curve is shown with
the Selected signal properties .
2. Click on EXPLORATORY CURVES / Signal / Peak search . The
PEAK SEARCH window is opened.
3. Set the parameters Reverse peak , Reverse sweep (for CV and
CVS only), Minimum peak width , Smooth factor , Minimum peak
height and Scope for peak evaluation (see Peak search, section
4.3).
4. Click the button. The calculated baselines and
peak maximum positions are displayed in the EXPLORATORY
CURVES window. The evaluation results are displayed in the ta-
ble of results in the PEAK SEARCH window.
5. If no peaks are found, try to modify the peak search parame-
ters Minimum peak width , Smooth factor , and Minimum peak
height for the automatic signal peak evaluation or switch to the
manual signal peak evaluation.
Evaluate signal peaks manually
1. Select the desired signal file in the Signal field of the EXPLORA-
TORY SPECIFICATION window. The selected signal curve is
shown with the Selected signal properties .
2. Click on EXPLORATORY CURVES / Signal / Peak search . The
PEAK SEARCH window is opened.
3. Check the Manual option.
4. Set the parameters Reverse peak , Reverse sweep (for CV and
CVS only), Minimum peak width , Smooth factor , and Minimum
peak height for peak evaluation (see Peak search, section 4.3).
5. Set the start and end base points for baseline evaluation by
clicking the buttons of the Begin or End field.
6. Select Type and Scope of the baseline.