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3 databases, Closing the va database program, Database organization – Metrohm 746 VA Trace Analyzer User Manual

Page 15: Handling of databases

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2 Main window

VA Database 2.0

8

Note: If you start the program after dongle installation for the first
time, you are asked to restart Windows 95/NT to complete the

dongle installation.

Closing the VA Database program

MAIN WINDOW

/ File / Exit

Quit the VA Database 2.0 program. The current

database will be closed and saved (the same
function can be done by pressing the button

of the

MAIN WINDOW

).

2.3 Databases

Database organization

Each database consists of the 4 files

*.vad

,

*.mb

,

*.db

,

*.px

, which

are created automatically when a new database is created (see
also File types of VA Database, page 5). All changes in the data-

base will be stored immediately to this 4 files on the hard disk.

Note: These four files on the hard disk should never be renamed
with the Windows Explorer or another file manager tool. For this
purpose the function

Save Database As...

should be used.

The current working database may be different from databases
opened in background for data transfer (see Data transfer, page

54).

Handling of databases

In order to handle measurement data sent by a 746 VA Trace

Analyzer these data must be stored in a database.

MAIN WINDOW / File / New Database

Create a new database. The

CREATE NEW VA

DATABASE

window appears where the name of

the database configuration file

*.vad

and its di-

rectory have to be entered. Then the new data-

base will be opened.

MAIN WINDOW / File / Open Database...

Open an existing database. The

OPEN VA DATA-

BASE

window appears where the name of the

database configuration file

*.vad

and its directory

have to be selected.