PJ-662 FAQs & Troubleshooting PJ-662 Not your product? Sort by Updated Date Popularity 2 Results 1. 21/01/2016 How do I switch between Infrared (IrDA) and Bluetooth? (Windows only) 2. 02/03/2010 What is IrDA? More FAQs (English only) Connecting to a Computer FAQs & Troubleshooting