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4 file backup – Metrohm 726 Titroprocessor User Manual

Page 234

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11.4 File backup

726 Titroprocessor, Instructions for use

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If the card already has the correct file system then it can be formatted

with the [Format card] softkey. (This softkey can be found on the
second softkey bar; press [>> >>].)

After the safety query appears and has been answered with 'Y' a name

for the data card can be entered. After confirmation with the

data card will be formatted.

Warning! If data cards which have already been used are formatted then all

the data they contain will be lost.

Please read the information about the use of data cards given on page 5

and consult the documentation accompanying the card.

11.4 File backup

It is a good idea to backup method or determination files regularly on a

personal computer. The files can be transmitted to the PC via an RS232

interface. They can be stored on the hard disk or on a floppy disk.
The 'Metrodata 726 PC backup'-software (6.6026.010) is required for this,

together with a serial 6.2125.060 cable to connect the Titroprocessor with

the PC. A PC terminal program can be used as an alternative; this must

support the Kermit transfer protocol. For setting the data transmission

protocol see page 35.

Interface configuration for data backup:

Connect the serial cable to RS232 socket 1 or 2 of the Titroprocessor

and to the COM1 or COM 2 connection of the PC.

Under [Config.][Interfaces] set the communication mode of the
corresponding RS232 interface to ‘LIMS’.

The transmission parameters of the corresponding RS232 interface must

be set as follows:

Baud Rate

9600

Data Bit

8

Stop Bit

1

Parity

none

Handshake

Hweinf

For transmitting files switch data reception to 'off', for receiving them
switch it to 'on'.
The settings of the backup software must agree with the settings of the

Titroprocessor interface.