Videotec DCZ Manuel d'utilisateur Page 12

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EN - English - Instructions manual
10
7.5.3 Functional testing with Windows
environment
Download the file Test software for virtual com port
mode at:
www.videotec.com/dcz.
7.5.4 Installation with Linux
environment
Linux does not require any driver to recognize the
keyboard.
Launch lsusb from the terminal to obtain the list of
connected USB devices: the keyboard is recognized
as a 204F:0101 device.
The keyboard is managed by the system file as a /
dev/ttyACM0 device.
7.5.5 Functional testing with Windows
environment
Minicom is used for these tests.
Launch the application on the terminal and request
the /dev/ttyACM0 device.
Type in [Buzzer+] to activate the buzzer. Type
[Buzzer-] to deactivate it. If the buzzer enables
and disables the keyboard, it has been recognized
and is operating correctly.
7.5.2 Removal
If there is an error during installation or it has not
been completed correctly, the keyboard can be
removed from the device list.
Connect the DCZ keyboard. A message may
pop up to warn the user that the device was not
installed because an error occurred.
Go to the settings in Control Panel/System/
Hardware/Peripheral Devices.
Scroll the list of peripherals and select Ports (COM
and LPT):
Select the USB CDC serial port emulation (COMx)
port .
Select Uninstall in the Action menu and confirm.
Disconnect the keyboard.
The next time the keyboard is connected, the
installation wizard will appear again, as indicated
in the sections above (Installation wizard for new
hardware).
7.5.2.1 Incomplete removal
If it is not possible to remove the port, or the
operation has not been completed,
we recommend using USBDView
(http://www.nirsoft.net/utils/usb_devices_view.html)
to uninstall the device.
Go to Options and select Display Disconnected
Devices , then identify the device with the VendorID
204f. Select or remove it using File/Uninstall
Selected Devices.
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