Metrohm viva 1.0 (process analysis) - Manual (Page 825)

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7 Devices
viva 1.0 (for Process analysis)
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Barcode reader as a device
NOTE
If the functions for automatic data import into sample tables are to be
used, the barcode reader must be added as a device in viva and config-
ured so that during each data transfer the following preamble and
postamble control characters are also transmitted:
Preamble #1: 02hex (^B, STX)
Preamble #2: 02hex - 09hex (different identification code 02hex -
09hex for each barcode reader connected)
Postamble #1: 04hex (^D, EOT)
Finish: <CR><LF>
Refer to the barcode reader manual for instructions regarding its con-
figuration.
Barcode reader as an HID
NOTE
If a barcode reader is to be used as an HID it must be configured in
such a way that it does not transmit any preamble control characters.
Refer to the barcode reader manual for instructions regarding its con-
figuration.
7.9.2 Barcode reader - Overview
Dialog window: Configuration ▶ Devices ▶ [Edit] ▶ Properties... ▶ Properties - 'De-
vice type' - 'Device name'
The parameters for a barcode reader are set on the following tabs:
￭ General
General device information such as device name, device type, serial
number, etc.
￭ Settings
Settings for the barcode reader.
￭ GLP
Information on GLP tests and GLP monitoring.