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Modulation ....................................... DQPSK, according to
IEC 61603-7 Modulation frequency
Carriers 0 to 5 ......................................... 2 to 6 MHz,
according to IEC 61603-7
Frequency response ........................................... 20 Hz to 10
kHz (-3dB) at standard quality;
20 Hz to 20 kHz (-3dB) at perfect quality THD at
1 KHz ..................................................... <0.05%
Isolation ....................................... >80 dB
Dynamic range ........................................ >80 dB
Weighted SNR… ..................................... >80 dBA
Input range ..................................... …-12 dBV ~ +12 dBV
(adjustable)
Electrical
IR irradiance level ........................................ 4 mW/m2 per
carrier
Angle of sensitivity ........................................ 270º
Headphone output level at 2.4 V 450 mVrms (speech at
maximum volume, 32 Ohm headphone)
Headphone output freq. range ............................................ 20
Hz to 20 kHz
Headphone output impedance ............................................. 32
Ohm to 2 kOhm
Max. SNR ....................................... >80 dBA
Supply voltage ........................................ 3V to
4.2V,nominal 3.7 V
Headphone jack unplugged after 5
minutes ........................................ 0 mA Battery life
Rechargeable battery pack ............................................. 24
hours
Mechanical
Dimensions (H x W x D)...........................................159 x 49
x 23 mm
Weight…..................................... excluding battery 85 g
including battery 128g (0.27
lb)
Color… ................................... black with silver
Chapter 5
Interpreter
Unit
The VIS-INT64 interpreter unit is a fully functional
translation unit, which can carry 63+1 languages
simultaneously, and realize the direct translation and
indirect translation of these languages.
4.8 Features
⚫
Digital audio technology, built-in high-speed
DSP processing.
⚫
Accommodates up to 64 interpretation
channels (incl. floor channel)
⚫
No limit quantity of interpreter units in the
system
⚫
Digital audio technology, built-in high-speed
DSP processing.
⚫
Supporting 48 kHz audio sampling rate, 30 Hz to
20 kHz frequency response on all 64 channels
⚫
Anti-interference by any RF signal with metal
housing design.
⚫
Hot plug and play
⚫
Removable microphone design
⚫
The volume of Loudspeaker and earphone jack
support separated adjustment.
⚫
Direct and relay interpretation available
⚫
Hearing protection direct and relay
interpretation available
⚫
Interpreter unit can be set as operation unit and
all interpreter units support Internal
communication with operator unit
⚫
Language and system configuration from the
interpreter desk’s configuration menu
⚫
Short message and tea service function
⚫
COUGH key to mute the MIC to avoid the
unnecessary sound to the output
⚫
With two groups of the headset microphone and
earphone jacks for two interpreters working on
the interpreter unit
⚫
The speaker and the headset’s volume should be
regulated alone. If all microphones in the same
booth are off, the loudspeaker will play floor
language or interpretation channel
Digital IR Language Distribution System User Manual
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