3.6 Connecting USB devices
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
22
￭￭￭￭￭￭￭￭
846 Dosing Interface
3
Configure the keyboard in the device manager of the Touch Control
(see Touch Control manual).
3.6.6 Connecting a barcode reader
The barcode reader is used as an aid for text and numerical input. You can
connect a barcode reader with USB interface.
Operation with Touch Control
Connect the barcode reader as follows:
1
Insert the USB plug of the barcode reader into one of the USB sock-
ets of the 846 Dosing Interface.
2
Switch on the Touch Control.
The barcode reader is recognized automatically and entered in the
device manager.
3
Configure the barcode reader in the device manager of the Touch
Control (see Touch Control manual).
Settings on the barcode reader:
Program the barcode reader as follows (see also the manual for the bar-
code reader):
1
Switch the barcode reader to programming mode.
2
Specify the desired layout for the keyboard (USA, Germany, France,
Spain, German-speaking Switzerland).
This setting must match the setting in the device manager (see the
Touch Control manual).
3
Make sure that the barcode reader is set in such a way that Ctrl char-
acters (ASCII 00 to 31) can be sent.
4
Program the barcode reader in such a way that the ASCII character
02 (STX or Ctrl B) is sent as the first character. This first character is
normally referred to as the "Preamble" or "Prefix Code".
5
Program the barcode reader in such a way that the ASCII character
04 (EOT or Ctrl D) is sent as the last character. This last character is
To Next Page
Loading...
