WARRANTY ........................15 INTRODUCTION Thank you for choosing the Nady U-81 OCTAVO wireless system, we know you will be very pleased with its performance and features. The Nady U-81 OCTAVO is a professional 8-channel UHF wireless system which offers the clearest, most natural sound available in wireless today.
LINE level SUM 1⁄4” jack output for 8-in-1 MIX audio output with separate volume control for each channel • Nady’s exclusive patented companding circuitry with 120dB dynamic range and highest quality audio for an unsurpassed UHF performance • Dual removable high gain antennas with TNC connector, front or back mounting •...
5. AF LED Display The U-81 OCTAVO receiver is equipped with an AF LEDs indicator (8). The AF LED indicator lights whenever an audio signal is being received from a modulated transmitter signal. The AF LED indicator is not a peak level indicator so it can light continuously during audio signal input to the transmitter.
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The individual receiver outputs are all fixed mic level. • The U-81 OCTAVO also has a MIX unbalanced output (10), which is a SUM line level output of all the channels. To use it, just plug an audio cable with a 1⁄4” mono plug into the MIX out (10) and plug the other end to your amplifier or mixing board.
• The microphone is now ready to use. The RF Signal LED (7) on the corresponding channel of the U-81 OCTAVO receiver should now be lit, indicating a received signal from the same frequency transmitter. When ready to speak, slide the ON/STDBY/OFF switch (13) to the ON position.
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To conserve battery life, turn unit off when not in use. • The U-81 transmitter is now ready to use. The RF Signal LED (7) on the corresponding channel of the U-81 OCTAVO receiver should now be lit, indicating a received signal from the same frequency transmitter.
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UB-81 BODYPACK MIC TRANSMITTER • Adjust the volume of the receiver as per the Connecting Audio Outputs, section 6 of the U-81 OCTAVO receiver instructions above. [Note: Observe care in selecting P.A. volume, transmitter location and speaker placement so that acoustic feedback (howling and screeching) will be avoided.
CAUTIONS AND TROUBLESHOOTING 10. No Audio If you are not getting audio through the U-81 OCTAVO system, slide the transmitter POWER or MUTE (STDBY) switch to ON, carefully check all connection and system setup. Check or replace transmitter battery. Check that the receiver is powered.
3 feet away from a wall or metal surfaces. All operating transmitters should be also at least 3 feet from the U-81 OCTAVO receiver. Keep antennas away from noise source such as motors, automobiles, neon light, signal processor, computer, as well as large metal objects.
If your unit is out of warranty, please enclose a cashier’s check or money order (or pay by credit card) per instructions by the Nady Service Department. Ship your unit prepaid to: Nady Systems, Service Department, 6701 Shellmound Street, Emeryville, CA 94608.
RA number clearly marked on the package. 3) Per the above, Nady will perform all warranty service and return the unit to you at no charge. Nady Systems will inform the buyer if product sent in does not meet the terms of this warranty and will provide a quote for fixing the unit and/or shipping it back exclusively at the buyer’s expense.
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6701 Shellmound Street | Emeryville, CA USA 94608 T 510.652.2411 | F 510.652.5075 | www.nady.com...
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