Configuring the operation of a USB camera with a TRIK controller
This article is automatically translated from Russian by Google Translator.
The following describes how to set up the USB camera in
lineSensor mode.To work with the USB camera, you must change the path to the script in the
system-config.xml file on the TRIK controller.This can be done with either of the two utilities:
3. Launch the PuTTY utility. To do this, from the main menu, open
Tools → External tools → PuTTY. 
4. Enter the IP address of the controller (specified in the network parameters of the controller) and click "Open".
5. In the window that appears, enter
root. Leave the "Password" field blank.
6. Enter the command
cd trik to navigate to the corresponding directory
7. Use the vi editor to edit the file. To run it, type
vi system-config.xml.
8. Use the arrow keys on your keyboard to move to line 62.
Resolution: 240x320 depth 16
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9. Press
i to edit, find the script name line-sensor-ov7670 and correct it to line-sensor-webcam. 
10. To exit edit mode, press "Esc".
11. Enter the command
:wq and press "Enter" to save and exit the vi editor.1. In the directory with the installed TRIK Studio, go to the
winscp folder and run WinSCP.exe.2. Fill in the data:
- File protocol: SCP.
- User name: root.
Leave the "Password" field blank.
3. Press the "Login" button.
4. If the "Warning" window appears, click "Yes".
5. Navigate to the
trik folder.
6. Find and open the
system-config.xml file.
7. On line 62 of the file that opens, find the name of the script
line-sensor-ov7670 and correct it to line-sensor-webcam. 
8. Save your changes by pressing
Ctrl+S or the "floppy" icon in the upper left corner, and close the editor.