Dante Inovonics 552, Installation & User Manual, Page: 32 / 60

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Response:
set to
Average
gives a steady and accurate level
readout,
Peak
shows the peak value of the signal.
Hold
will ac-
cumulate and display the highest peak value until the function
is manually reset.
At the bottom, the display
Averages:
the number of FFT compu-
tations selected in the drop-down box. 200 is the factory de-
fault, a lower number may be set for a faster (and busier) re-
fresh rate.
The FM
Baseband
Spectrum
Select MPX at the top
of the screen to view
the FM baseband spec-
trum. The L+R ‘main’
channel, 19kHz stereo
pilot, 38kHz DSB ‘sub’
channel and 57kHz
RDS subcarrier are
easy to identify.
An
Average setting of
Response:
yields a sta-
ble and meaningful
display, and the de-
fault 10 FFT Averages:
proves a good compromise for a display that is both dynamic
and easy to read. Selecting Peak will reveal peak levels of the
spectrum components, and
Hold
accumulates the highest peak
value for as long as it remains selected.
Audio Spectrum
Display
Select Audio at the top
to present a spectral
display of left and
right program audio;
left channel yellow,
right channel blue, as
pictured here. The
View: buttons select be-
tween main-channel
FM audio or program
audio from any of the
station’s HD channels.
Response:
and
Aver-
ages: settings offer the
same options described above for the MPX display.
HISTORY PLOTS
The 552 offers plots of nearly all reception and audio parame-
ters viewable over the past minute, or may be selected to show
a full, 24-hour time-study.