chord NU2 Quad Dual UHF Wireless System User Manual

NU2 Dual UHF Wireless System

Item ref: 171.974UK, 171.975UK, 171.976UK, 171.977UK
User Manual

Caution: Please read this manual carefully before operating
Damage caused by misuse is not covered by the warranty

Introduction

Thank you for choosing the Chord NU2 wireless system. This professional wireless set provides 2 high quality microphones with UHF radio system for freedom of movement without loss of audio quality. Please read this manual before using this equipment in order to avoid damage through incorrect operation and to get the best performance from your purchase.

Package Contents

• NU2 dual UHF wireless receiver
• 19” rack ears
• 2 x UHF aerials
• 2 x BNC antenna cables (for front panel mounting)
• 2 transmitters (NU2-H handhelds or NU2-N bodypacks)
• 2 x neckband and 2 x lavalier microphones (NU2-N only)
• Mains power adapter
• 6.3mm mono jack lead
• 4 x 1.5V AA battery

If you find any accessory is missing or the product has arrived with any problems, contact your retailer.

These products contain no user-serviceable parts inside. Do not attempt to try to fix or modify these items yourself as this will invalidate the warranty. We recommend you keep the original package and proof of purchase for any possible replacement or returned demand.

Warning

To prevent the risk of fire or electric shock, do not expose any of the components to rain or moisture.

If liquids are spilled on any component, stop using immediately, allow unit to dry out and have checked by qualified personnel before further use.

Avoid impact or heavy vibration to any of the components, dropping the microphone can cause capsule failure. No user serviceable parts inside transmitter or receiver – refer servicing to qualified service personnel.

Safety

• Ensure that the correct power adaptor is used with adequate current rating (350mA minimum) and that the mains voltage is as stated on the adapter.
• Avoid ingress of water or particles into the transmitters or receiver
• Use alkaline or NiMH batteries in the transmitters and remove if unused for long periods.
• Observe the correct polarity when replacing batteries

Placement

• Keep all components out of direct sunlight and away from heat sources.
• Do not place heavy objects on top of the receiver or transmitters
• If rack-mounting, use rack ears provided and do not place heavy equipment above the receiver.
• Keep the transmitters and receiver away from damp or dusty environments.

Cleaning

• Use a soft cloth with a neutral detergent to clean the body of the handheld transmitter and receiver.
• Lightly damp sterile wipes may be used on the microphone grille for hygiene purposes
• To avoid damage, do not use solvents to clean the components

Receiver Front Panel

1. VOLUME control – Channel A
2. RF carrier signal indicator – Channel A
3. AF audio signal indicator – Channel A
4. RF carrier signal indicator – Channel B
5. AF audio signal indicator – Channel B
6. VOLUME control – Channel B
7. Power on/off switch

Receiver Rear Panel

8. Power on/off switch
9. BNC antenna connector – Channel B
10. Balanced XLRM output – Channel B
11. Unbalanced 6.3mm jack mix output
12. Balanced XLRM output – Channel A
13. Po BNC antenna connector – Channel A

Transmitters

14. On indicator (handheld)
15. On/off switch (handheld)
16. Battery compartment (handheld)
17. Antenna
18. On indicator (bodypack)
19. On/off switch (bodypack)
20. 3.5mm threaded jack socket
21. Battery compartment

Setting Up

Insert the supplied AA batteries into the handheld transmitters by carefully unscrewing the base to reveal the battery compartment inside the microphone body, connect the batteries (ensure + and – are the correct way round for each cell) and carefully screw the base back on. For bodypack transmitters, squeeze and flip forward the front cover to reveal the battery compartment and insert AA batteries, observing correct polarity.

Connect the 3.5mm jack connector from the neckband or lavalier microphone to the input on top of the bodypack transmitter and rotate to secure the thread.

Position the receiver within the best available line of sight to the transmitters and connect the DC jack of the supplied power adapter to the receiver and the plug-top to the mains outlet.

Connect both antennas to the BNC connectors on the rear panel or alternatively, attach to the rack ears, connecting via the BNC extension leads supplied. Turn mic levels down on the receiver.

A choice of mixed output of both microphones on 6.3mm jack or individual balanced XLR outputs is available on the rear panel of the receiver. Connect jack or XLR (optional) leads to the relative output connector(s), turn down the volume of any equipment (mixer, amplifier etc.) that the signal will be fed into and then connect the jack or XLRs to the equipment.

Warning! – take care not to point microphones towards speakers – this can cause damaging feedback (loud whistle or howling noise) – try to aim microphones away from the speaker cabinets.

Operation

Switch on power to the receiver unit.

Move the switch on the handheld transmitter(s) to the fully up position (ON) and gradually increase the microphone level on the receiver (for bodypack transmitters, move the top slide switch to “ON”), then increase the volume on the mixer or amplifier until the sound from each microphone can be heard through the equipment.

After use, slide the transmitter switch to the “OFF” position, which mutes and deactivates the radio signal and powers down the transmitter. Turn down the volume of the mixer or amp and then switch off the receiver.

Please note that each transmitter slide switch has a “MUTE” centre position, which is not used with the NU-series system. Switching the transmitter off automatically mutes the reception channel.

Unplug signal leads from the receiver and mixer or amplifier when moving or packing away.

If the system is not to be used for long periods of time, remove the batteries from the transmitters and unplug the power adapter from the receiver and the mains outlet.
Folding away or removing the antennas can also help avoid damage when the system is not in use.

Specifications

Troubleshooting

Disposal: The “Crossed Wheelie Bin” symbol on the product means that the product is classed as Electrical or Electronic equipment and should not be disposed with other household or commercial waste at the end of its useful life.

The goods must be disposed of according to your local council guidelines.
Hereby, AVSL Group Ltd. declares that the radio equipment type 171.981UK, 171.982UK, 171.983UK, and 171.984UK is in compliance with Directive 2014/53/EU

The full text of the EU declaration of conformity for 171.981UK is available at the following internet address: 171981UK [pdf]

The full text of the EU declaration of conformity for 171.982UK is available at the following internet address: 171982UK [pdf]

The full text of the EU declaration of conformity for 171.983UK is available at the following internet address: 171983UK [pdf]

The full text of the EU declaration of conformity for 171.984UK is available at the following internet address: 171984UK [pdf]

Errors and omissions excepted. Copyright© 2020. AVSL Group Ltd.
Unit 2-4 Bridgewater Park, Taylor Rd. Manchester. M41 7JQ

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