Available with version 9.3 software, Sentry provides scalable HEVC solution for monitoring quality of service (QoS) and quality of experience (QoE). Support for 4K/UHD, which lets VSPs and network operators detect critical issues in real-time, and in-depth reporting enable continual network improvements. Supporting transition to 4K, monitors also feature digital program insertion monitoring capabilities that support blackout descriptor tags specified in SCTE-35 2012.