HDC-UHD Series User Guide9Table of Contents1 Included items ........................................................................................................................................... 122 Product outline .......................................................................................................................................... 132.1 HDC-TR121UHD ................................................................................................................................ 132.2 HDC-TH221UHD/HDC-TH421UHD.................................................................................................... 142.3 HDC-RH221UHD/HDC-RH421UHD ................................................................................................... 153 Features .................................................................................................................................................... 164 Panels ....................................................................................................................................................... 204.1 Front/side panels ................................................................................................................................ 204.2 Rear panel .......................................................................................................................................... 215 System Configuration Example ................................................................................................................ 236 Precautions ............................................................................................................................................... 256.1 Attaching Rubber feet ......................................................................................................................... 256.2 Installation ........................................................................................................................................... 256.3 Connection details .............................................................................................................................. 256.3.1 Cables ......................................................................................................................................... 266.3.2 Securing HDMI cable .................................................................................................................. 266.3.3 Category cable for extension ...................................................................................................... 276.3.4 Connecting audio cable............................................................................................................... 286.3.5 Connecting RS-232C cable......................................................................................................... 286.4 Connecting LAN cable ........................................................................................................................ 296.5 DIN plug AC adapter with locking mechanism ................................................................................... 307 Basic Operation ........................................................................................................................................ 327.1 Selecting input channels ..................................................................................................................... 327.2 Menu operation ................................................................................................................................... 337.3 Control from WEB browser ................................................................................................................. 347.3.1 WEB browser .............................................................................................................................. 367.4 Front panel security lockout ................................................................................................................ 377.5 Initialization ......................................................................................................................................... 378 Advanced Features ................................................................................................................................... 388.1 Downconversion ................................................................................................................................. 388.2 Input channel automatic switching ...................................................................................................... 398.3 LAN ..................................................................................................................................................... 408.3.1 LAN loop problem through HDBaseT ......................................................................................... 408.4 RS-232C transmission ........................................................................................................................ 429 Menu ......................................................................................................................................................... 449.1 Front menu.......................................................................................................................................... 459.2 WEB browser menu ............................................................................................................................ 479.3 Setting input switching ........................................................................................................................ 499.3.1 Automatic input channel switching .............................................................................................. 499.3.2 Ignoring duration after automatic switching ................................................................................ 509.4 EDID ................................................................................................................................................... 519.4.1 Copying EDID ............................................................................................................................. 529.4.2 Resolution ................................................................................................................................... 539.4.3 External EDID ............................................................................................................................. 569.4.4 Selecting copied EDID ................................................................................................................ 579.4.5 Deep Color .................................................................................................................................. 589.4.6 LPCM audio ................................................................................................................................ 58