4K/HD Keyer


The DSK-400 is a 4K (UHD) keyer with 12 inputs and 8 outputs for 3G-SDI. Add DSK-400CK for 4K chroma keying. Connect to an HVS-100 for control via HVS-100OU. Also controllable via dedicated GUI.


  • 1080p/1080i supported
  • 3G-SDI Level-A input and Level-B (only for FILL/KEY) input supported
  • Supported inputs: LINE (3G/HD-SDI x4), FILL/KEY (3G/HD-SDI x4 each)
    - 4K mode: LINE x1, FILL/KEY x1 each
    - HD (3G/1.5G) mode: LINE x4, FILL/KEY x4 each
  • Supported outputs: PGM (SDI x4), AUX (SDI x4)
    - 4K mode: PGM x1, AUX x1
    - HD (3G/1.5G) mode: PGM x4, AUX x4
  • Enables combined FILL/KEYs on LINE input. Equipped with FS on FILL/KEY input
  • Equipped with INPUT STILL on FILL/KEY input. Available as still image source
  • Offers 1080p down-converted output from 4K for monitoring use
  • Supports Genlock, BB or Tri-level Sync. Line lock supported for LINE input
  • Bypass output supported as standard
  • Built-in web server allows individual settings to be configured over web browser
  • GPI input/tally output, with 16 pins assignable to input or output
  • Remote control via RS-422 port available
  • Simultaneous control from up to four DSK-RU, optional remote control unit
  • 4K high-performance DSK-400CK chroma keyer (Option)
  • Redundant DSK-400PSM power supply (Option)

4K keying

When using as 4K chroma keyer with optional DSK-400CK