Supports 3G/HD/SD-SDI and 2K-SDI - DT-N21H supports 3G-SDI (SMPTE 425M) Level-A & B, 2K-SDI (SMPTE 2048-2) 60p Level-A & B display. Full HD LCD panel with LED backlighting - The monitor features a 1920×1080 pixel full HD resolution LCD panel with LED backlighting, with 178° wide viewing angle (H & V), 1000:1 contrast, and 16.7M color depth. ITU-709 color space - The DT-N21H is compatible with ITU-709 standard color space for HDTV broadcasting. Selectable gamma preset - The DT-N21H supports gamma preset selection from: 2.2, 2.4 and 2.6. Audio meters display - The DT-N21H supports SDI/HDMI embedded audio 2-ch meters display, and analog audio 2-ch meters display. TSL UMD control and display - The DT-N21H monitor supports UMD controlling input via RS485 and RS232 port, compatible with TSL 3.1 and 4.0 UMD protocol. USB firmware upgradable - The Monitor offers a USB port on the rear side, for firmware upgrade. Users can download firmware to a USB disk, and the upgrade operation is directly on the monitor, without PC or other adaptors.