SU20 User Manual
Introduction
Thank you for choosing the Chord SU20 wireless system. This professional wireless set provides a dual high
quality UHF radio microphone system for freedom of movement without loss of audio quality. The SU20 uses
Chord
’
s NU4 technology to enable 2 sets to operate together on separate frequencies (ensure 2 sets with
different carrier frequencies). 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
•
SU20 UHF wireless receiver
•
19” rack
mounting brackets
•
2 x UHF aerial
•
2 x BNC antenna cable (for front panel mounting)
•
2 x transmitter (SU20-H handheld or SU20-B bodypack)
•
2 x neckband and 2 x lavalier microphones (SU20-B 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.
•
2 receivers may be mounted side by side in a single 19
”
rack space using the supplied jointing plate.
•
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
