Beyerdynamic UHF Wireless System Opus 900 User Manual

Connect the antennae to the TNC sockets      and   ( . Set them at an angle (60°).
Please note that for diversity operation both antennae have to be connected. A weighting circuit
silently switches the signal with the better S/N ratio to the output.

On the LC-Display all operating parameters such as RF and AF level will be shown. Using the “Menu“
control      you can select from 6 options. The selected function is surrounded by a square frame and
shown at the bottom of the LC-Display. 

By selecting the ESC button      you can cancel the current entry into the menu to display the 
previous setting.

To select the individual receiving channels of the NE 900 D / Q for entering the menu settings, press
the menu control      until the green LED between the ACT and the SCAN button is flashing. Turn the
menu control to select the receiving channel. The green LED of the selected receiving channel will
flash. Press the menu control to confirm. The green LED will illuminate permanently.

The functions and operation are described in the following.

1. Place the diversity receiver in the same room or area as the transmitters. Make sure the diversity

receiver is placed as close as possible to the transmitter. 

2. Do not place the diversity receiver near digitally controlled equipment.
3. Connect the AF-output to the corresponding input of the mixing console or amplifier.
4. Connect the receiver to AC power.
5. Switch on the receiver     . The red LED will illuminate.
6. If you use the receiver on a tabletop, please stick the supplied rubber pads to the bottom of the

receiver to ensure a sufficient ventilation.

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Each receiving module has two separate receiving circuits, one for each antenna. The signal with the
better S/N ratio is switched to the output. The received diversity channel  is shown in the LC-display.

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