VIO DSK is a high definition downstream keyer to mix the serial component digital key and fill HD signals from logo generators or/and character generator machines in HD living program. It incorporates the latest technology to provide an advanced fully digital keyer. VIO DSK provides SDI output for preview, two SDI program outputs which one is bypass output without power supply. Remote control panel going together with it will be putted on the operator desk so users can control keys down or up freely and easily. VIO DSK is ideal for the "On-Air" environment. The SNMP and RS-232 control protocol are built in the machine. All the configuration and operation can be done by three ways, which are MCU on front panel,IE on PC and remote control panel.