For the most current product accessories and specications visit ViewSonic.com. Availability, pricing and specications subject to change without notice. Selection, offers and programs may vary by country; see your ViewSonic representative for
Do you have a question about the Viewsonic VFD820-50?
Ask the question you have about the Viewsonic VFD820-50 here simply to other product owners.
Provide a clear and comprehensive description of the problem and your question. The better your problem and question is described, the easier it is for other Viewsonic VFD820-50 owners to provide you with a good answer.
View here the free Viewsonic VFD820-50 manual. Have you read the manual but does it answer your question? Then ask your question on this page to other Viewsonic VFD820-50 owners.