China Si System Translation System Interpretation System

Feature

Compliant to IEC 61603-7 and IEC 60914Compatible with any other IR simultaneous interpretation system compliant to IEC 61603-7DigSorting Machine ital infrared processor with DQPSK digital modulation/demodulation technologyTransmitting in 2~8 MHz frequency band eliminates disturbance from high frequency lighting systemsChannel selection via up/down button, at most 4,8,16 or 32 channels availableLCD display with channel number, language name, battery and signal status indicationNumber of available channels is always the same as the number of channels in use by the system, eliminating the need to scroll through unused channelsAdjustable volumeUnique 270º super wide reception angle, ensuring perfect sound quality even when casually placedAudio signal automatically muted when signal is too low, ensuring that the user receives only high quality audio.Ergonomically compact and elegant designLightweight and handy receiver in conjunction with single earphone or headphone for easy and comfortable useCan be hung over the neck via a nice strap or fit into the shirt pocketFreedom of movement within the range of IR power radiatorNo limit to the receiver number within the IR power radiation rangeWorks without errors, even in bright sunlightBuilt-in high precision rechargeable circuitry to prolong battery lifeEnvironmentally-friendly lithium rechargeable battery packNo power consumption and auto-off when headphone is disconnected after 5 minutesCMachinery for Food, Beverage & Cereal ontrols and IndicatorsLCD dRelay & Contactor isplays channel number, language name, battery capacity, signal intensity and volume Power switch
Channel selector buttons
Volume control buttons
InterconnectionsØ 3.5 mm stereo earphone jack
Charging contacts
Technical Specifications
System SpecificationsModulation...............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............Watch Box ...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 xOther Bags & Cases D) ...............159 x 49 x 23 mm
Weight............... excluding battery 85 g
including battery 128g (0.27 lb)
Color...............black with silver