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SIR 320 SIR Infrared System
6 Copyright by beyerdynamic
Important tips
General information
Please read this manual carefully before starting operation. Keep this manual together with the units. If you
pass on the units to other parties, please include this manual.
To avoid damages of the receiver please read the following tips for the use with disposable or rechargeable
batteries carefully!
Don’t use disposable and rechargeable batteries together in one receiver!
You will invalidate the warranty and damage the receiver.
In no case it is allowed to charge receivers with disposable batteries! They can leak or even
explode.
Changing of batteries
When changing the batteries the receiver may stop reacting. In this case please carry out a hardware
reset. (See paragraph Operation > Hardware reset)
The warranty invalidates, if you cause (generate, precipitate) inappropriate use or handling of the unit.
Safety information
Over prolonged period the unit should not be used at the maximum volume
setting (value 15). Prolonged exposure to high sound pressure levels might damage your hearing!
The used headphones may not cross a sound pressure of 100dB SPL at max. adjusted volume value!
Preferably use the headphones indicated by us.
Take care in the use of the lanyard!
Attention! – Polarity
During insertion of new disposable/rechargeable batteries take care of the correct polarity. Wrongly
inserted batteries will cause malfunctions. Wrongly inserted batteries can leak and destroy the
equipment.