The SL-7036 SD/HD Tri-Level Sync Generator from Astro Systems is a sync generator capable of outputs and genlocks to both HD and SD (NTSC/PAL). Its (12) output channels can be assigned exclusively to HD or SD, or may be split equally at (6) channels to each format.
This unit provides superior genlock capabilities, including the ability to genlock to a reference source different from the output format. Its master and slave architecture allow it to support multiple output channels without delays. This system also works well as a bridge between HD and SD systems.