Who should I contact when I need technical support for GVIDO product? GVIDO Customer Support 03 December 2017 20:19 Updated Please reference our Product Support FAQ. If this does not solve your issue, please contact our GVIDO Customer Support. Related articles What is the Support Center's operating hours? Where can I locate the serial number? Can I turn the page using another manufacturer's foot switch? How to turn on/ shut down my GVIDO Device It doesn't operate properly. What should I do?