Loop receiver/Testing device
Univox Loop Listener is a easy-to-use, low cost instrument
that should be at hand with every loop installation. With the Univox
Loop Listener you get two functions in one instrument, it can be used a
basic test instrument or as a loop receiver.
A testing device should always be available where a loop is
installed. The person who is responsible for the venue can with a quick
and simple check make sure that the system is operational. A yellow or
green LED will indicate if the loop is properly working. Green
indicates that the loop fulfills the international standard IEC 60118-4
level requirement. A yellow LED indicates that the loop is operational
but does not meet the IEC level requirement, but will still benefit the
user. You may also listen to the loop system through the speaker or
earphones that connects to the instrument’s 3.5mm output. Loop Listener
gives a calibrated field strength measurement for speech according to
IEC 60118-4 (125msec, rms). Some high crest music material may give
1-2dB increased value.
The instrument may also be used by a person with a hearing
deficiency, who does not wear a hearing aid or if the hearing aid does
not have a T position. It allows the person to listen direct to the
signal source, thus avoiding problems that the distance to the source
brings, like low volume, reverberation and echo.
according to IEC 60118-4
listening and automatic adjustment to the correct, vertical operating
position
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