Need help setting up your HD Thin Display? Have other questions? We offer a wide variety of user manuals, warranty information, quick start guides and other documentation.  If that doesn't do it, you can e-mail our online technical support resource center available 24/7. Firmware upgrades are available here. HD Thin Displays PD370, PD420, PD470 RS-232 Serial Command Codes SCART Set-up Instructions Quick Reference Guide (Multi-Language) (pdf) Product Manual - English (pdf) Product Manual - Dutch (pdf) Product Manual - French (pdf) Product Manual - German (pdf) Product Manual - Italian (pdf) Product Manual - Korean (pdf) Product Manual - Norwegian (pdf) Product Manual - Portuguese (pdf) Product Manual - Russian (pdf) Product Manual - Simplified Chinese (pdf) Product Manual - Spanish (pdf) Product Manual - Swedish (pdf)   PD520 Product Manual - English (pdf)   Product Manual - German (pdf)   Product Manual - Russian (pdf)