Metrohm 840 PC Control 5.0 / Touch Control - Manual (Page 48)

3.7 System settings
36
PC Control / Touch Control
item Export in the File menu and entering the path and file name with
the extension .txt. When the audit trail is exported its contents will be
deleted. The audit trail window is closed with Close.
To print the audit trail click on the symbol in the symbol bar or
choose the report "Audit trail" in the dialog Print/More
Reports/System reports.
Quick filters can be used on the audit trail entries:
Click on a cell in the table which meets the filter criterion.
In the Filter menu click on Quick filter or on in the symbol
bar. You can use the quick filter in succession for various entries.
To show all the entries again click on Show all in the Filter menu
or on in the symbol bar.
You can update the list with so that new entries are also shown. The
audit trail window is not automatically updated "live". When the audit trail
window is opened the table is updated automatically.
You can view an external Audit trail i.e. from a Touch Control as well.
Therefore load the desired Audit trail file in the Audit trail window under
File/Open. With Touch Control the Audit trail file "log.madt" is created
on the memory card in card slot 2. The entire path with file name is
displayed in the title bar of the Audit trail window. An external Audit trail
cannot be deleted in contrast to the internal Audit trail but the other
functions remain the same.
To show the Audit trail of the running PC Control you have to close the
audit trail window and open it again via View/Audit trail.
Note!
An external Audit trail can only be printed with the print symbol .
When printing via the fixed key [Print] the internal Audit trail will be
printed every time even if the external Audit trail is currently displayed.
In the Titrando Compliance Guide there is a step by step description
of the necessary procedure for complying with FDA Guideline 21 CFR
Part 11.
3.7.9 Measured value display
This setting refers only to the display of the measured values in the
determination sequence (live display) and in manual operation (Manual
Control). The values are always stored with their full resolution.
Open the dialog System settings/Measured value display.
Select Number of decimal places with which pH values and
potentials are to be shown in the measured value display.