2-16 Installation
It determines if the output is correctly pre-emphasized for FM transmission (PREEMPH) or if de-
emphasis was applied after the OPTIMOD’s peak limiter (FLAT). If it is FLAT, you must apply pre-
emphasis in the transmitter.
• WORD LENGTH and DITHER
The WORD LENGTH control sets the level of dither that the OPTIMOD applies to this output when you
set DITHER to ON. Set the WORD LENGTH control to match the word length that digital input of your
transmitter accepts.
e) Navigate to INPUT/OUTPUT > DANTE 2, and repeat steps (B) through (D) for this output.
f) Set up automatic fallback to the analog or digital input when DANTE 1 goes silent (optional):
• Navigate to INPUT/OUTPUT > SILENCE DETECT.
• Set the DANTE FALLBACK to DIGITAL or ANALOG if you wish the 5750 to switch automatically from
Dante Input #1 to digital input or analog input respectively when silence is detected. Set the
control to NO to defeat automatic switching.
Dante Firmware Updates
Dante chipset firmware updates require the Dante Firmware Updater, which can be downloaded here:
https://www.Broadway.com/latest-firmware-update-manager
Dante Firmware Update Manager is a software application that allows you to:
• Select a firmware update file for a particular Dante module type
• Discover matching Dante-enabled audio devices on your network.
• Manage the firmware upgrade for these devices.
• Restore Dante-enabled modules in failsafe mode.
The firmware itself is not on Orban’s FTP. Because your OPTIMOD’s software was tested only with certain releases
of Dante firmware, we suggest contacting Orban Customer Service before updating.
If you wish to update your 5750 with the Broadway Ultimo chip to support AES67, you may use Ultimo v4.1.2.5
firmware.
Composite Output and Subcarrier Input
There are two composite outputs. They carry the encoded stereo signal, the stereo pilot tone, and any subcarriers
that may have been applied to the 5750’s subcarrier inputs as well as the internal RDS generator.
These are unbalanced, with the shell connected directly to chassis/circuit ground.
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