Inovonics Modulation Monitor Model 551

The Inovonics Model 551 Modulation Monitor Incorporating all the features needed for station configuration, regulatory compliance and remote monitoring, the Inovonics 551 HD Radio Modulation Monitor is the best choice for advanced FM and HD Radio signal monitoring, whether you’re at the transmitter site or on the other side of the world. Simultaneously monitor off-air FM modulation in real time along with up to 4 HD Radio channels. A high-resolution 9-inch LCD touchscreen displays all the essential modulation data for accurate readings in graphical format. The 551 collects histograms of signal parameters and displays the HD Radio™ album cover, station logos and similar visuals on the front panel display and remote web interface. The 551 includes an integrated BandScanner™, a real-time clock and full SNMP functionality, rear panel alarms constantly check for Audio Loss, RF Loss, Multipath and Overmodulation, while advanced notifications alert personnel with email or SMS messages when any or all of the alarms occur. SNMP is fully supported. Key features:
– Monitor off-air analog FM and HD radio signals (HD1-HD8) on the high-resolution front panel touch display and via the web from anywhere in the world. – The 3U package features a 9-inch graphical touch screen, wide-range LED level meters with rear panel meters. – The 551 collects histograms of signal parameters and displays HD Radio™ album covers, station logos and similar visuals on the front panel display and remote web interface. – Front panel alarms and/or rear panel ‘counts’ indicate audio loss, low signal, RDS errors, HD loss, HD feed, FM/HD1 alignment, HD artist experience and many others. – Spectrum graphs include RF baseband, MPX and left/right audio. O-Scope views for MPS, Pilot, RDS and all audio channels.
– Measures real-time audio diversity delay between FM and HD1 broadcast.
– Full-time off-air program audio is available simultaneously as analog L/R streaming, digital AES3 and Dante®-based AES67 AoIP, all with adjustable levels, plus a multi-listener Internet IP stream and front panel headset.