Omnia Audio Omnia.11 - Manual (Page 47)

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Diversity Delay
The 3 buttons below the numerical diversity delay time display are used to set the precise diversity delay time
(typically used for HD Radio installations) that will be applied to any output that is set to the FM channel.
If diversity delay is not used, be sure the numerical display is showing all zeros.
To activate the diversity delay, start by touching the sec button and use the jog wheel to set the course delay time in
seconds.
Similarly, you can touch the msec and usec buttons to finely adjust the delay time in milliseconds and
microseconds.
SCA IN LVL (Control on Rear Panel)
The SCA input level control is an analog trimpot and does not appear in the menu. This trimpot is located just
above the SCA Input BNC jack on the rear panel. A small flat-blade screwdriver will be needed to adjust it.
Signals input to the SCA jack are simply mixed into both composite outputs through the trimpot.
The gain range is from 0.034 (-29dB) to 1.35 (+2.6dB). At the lowest gain setting, you can feed it a 10V SCA
signal and get 8.6% injection on a 3.6V composite output setting. At the highest gain setting, you can feed it a
0.25V SCA signal and get 8.6% injection on a 3.6V composite output setting. (The composite + 9% pilot should be
3.6 V p-p in these cases. The SCA adds to this, making the total higher and the SCA 8.6% of the total).