Metrohm 797 VA Computrace - Manual (Page 219)

8.3 Signals in exploratory mode
797 VA Computrace – Software
207
Save a signal curve
1. Select the desired signal curve in the list of the EXPLORATORY
SPECIFICATIONS window.
2. Click on or EXPLORATORY SPECIFICATION / File / Save sig-
nal .
3. Select the desired directory and enter the signal file name *.sig
in the SAVE AS window and click the button. Please
note that a user specific data directory can be defined in the
User Directories tab.
Save signal curves automatically
1. Click on MAIN WINDOW / Settings / General settings and enable
the Auto save determination and signal option in the General
tab.
2. Click on MAIN WINDOW / User / User rights and choose the
Data folder in the User directories tab (see User rights, section
2.6), where you want to store your signals. You can search
your working space by clicking
Browse .
Record a signal curve
1. Click on or MAIN WINDOW / Mode / Exploratory .
2. Select Electrode and Drop size (for SMDE and HMDE) in the EX-
PLORATORY SPECIFICATION window (see Electrodes, section
3.1).
3. Set Stirrer or RDE speed (see Stirring, section 3.4).
4. If necessary, click and limit the Highest current
range or Lowest current range in the POTENTIOSTAT window
(see Potentiostat, section 3.3).
5. Select the desired VA measurement mode in the Mode field
(see VA measurement modes, section 3.2).
6. Set the Initial purge time (see Purging, section 3.4).
7. Set pretreatment parameters for electrodes (see Pretreatment,
section 3.4).
8. Set Sweep parameters of the selected VA measurement mode
(see VA measurement modes, section 3.2).
9. If desired, set Stand-by potential to be applied after measure-
ment (see Stand-by potential, section 3.4).
10. If the recorded signal file should be automatically saved at the
end of the measurement, click on MAIN WINDOW / Settings /
General settings and enable the Auto save determination and
signal option in the General tab.