GENERAL INFRARED GUIDELINES
Rules And Standards
The Lingua IR systems conforms to IEC 61603 part 7 (for 24 channels), the international standard for digital
infrared transmission of audio signals for conference use and similar applications.
Infrared Bands And Channels
The Lingua IR system can use a maximum of ten infrared bands, each band can have up to four
channels. The maximum amount of channels on your system depends on the license you have (6, 12 or 40
channels).
Infrared Influencing Elements
SENSITIVITY OF THE RECEIVER
The positioning of the receiver relative to the radiator(s) has an effect on how efficiently you will receive a
signal. For maximum sensitivity aim the back side of the receiver (the side with the clip) directly towards the
radiator. When you tilt the receiver this will reduce the sensitivity of the receiver. The receiver has a 270°
wide reception angle.
Figure 1-7 The reception angle of the Lingua IR receiver
AMBIENT LIGHTING
Ambient lighting can disturb the distribution of the infrared signal. For this reason the Lingua IR system
should not be used in outdoor conditions or in rooms with very bright lightning.
GENER AL INFRARED G UIDELINES 34
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