THIS PRODUCT IS NO LONGER IN PRODUCTION
Based on The NAB's new "Super Radio" specifications, The Sentinel receives AM and C-QUAM stereo with full NRSC compliance as well as FM/FMX stereo and all SCA/RDS subcarriers.
The receiver sports audio diagnostics for easy comparison of off-air signals. Included are readouts for total modulation, CBS loudness metering, program dynamic range, four-band spectral profile analysis, stereo balance and graphic display of stereo image width and mono compatibility.
Total Modulation is peak-responding and incorporates a peak-hold function.
Total Modulation readout shows peaks between 16% nd 130% in 3% increments. The button below the display can be used to switch in an additiona gain of X10 (20dB).
Panel Readouts for AM Carrier Modulation, Asymmetrical AM Modulation and AM Display Errors.
Total Modulation indication of 100% factory calibrated to ±75kHz deviation.
A multipath Detector has been built in with a Multipath display near the frequency readout. The Detector is interconnected with the Toatal Modulation display.
The Sentinel can be switched to monitor SCA or RDS subcarriers.
Left and Right Channel displays are peak-responding, and will closely follow the Total Modulation dispplay in response to program peak content.
Left and Right Chanel bargraphs are dB-linera displays with a normal range of +10dB to -29dB. The button beneath the readout switches-in an additional 20dB Gain, changing the scaling to a range of -10dB to -49dB.
Left and Right Channel program signals are matrixed into Left + Right “Sum”, and Left - Right “Difference” channels, and displayed alongside the the independent Left and Right Channel readouts.
To approximate non-coherent, acoustical combination of Left and Right Channel program signals, Inovonics has developed the “QDM” or Quadrature-Derived Monaural Channel.