7420 is a dual-rate logo inserter that can accept either an SD or HD video input and key still logos and animations overprogram material. The logo insertion capability can be used to add letterbox framing. It can also be used to key sports or event logos, or to source a virtual set background. The on-board memory can play back almost a minute of uncompressed video. It is fitted with a secure digital flash memory card in order to provide an extremely fast and easy way to transfer material. It provides two cascaded, full linear keyers with transparency and a programmable transition rate.