Products
LS-80-SIR Basic Stationary IR System
LS-80-SIR
FAQs

How many carriers does the LT-82 Stationary IR Transmitter produce?
One.

How many carriers can be produced simultaneously in a room?
Four. You will need one LT-82 Stationary IR Transmitter per carrier.

Is there any performance degradation in stereo mode?
Yes, stereo operation raises the noise floor slightly.

Can I operate some channels in mono and others in stereo?
Yes.

How are radiators connected to the LT-82?
The carrier (signal) is connected using RG-58 coaxial cable; power is connected using standard CAT-5 cabling.

Can the LT-82 be operated on 230 VAC?
Yes, the LT-82 has a universal power supply that can be used anywhere in the world.

How much coverage is provided with the LA-140 radiator?
Approximately 10,000 square feet (929 square meters).

Does the number of carriers affect the coverage?
Yes, for two carriers, the coverage per carrier is halved. For four carriers, the coverage per carrier is one-fourth.

How is power delivered to the radiator?
Power is delivered with CAT-5 cables (connected between the radiator and either the LT-82 transmitter or the LA-205 power supply).

How many radiators can be powered from the LT-82 or LA-205 power supply?
Two.

What is the purpose of the delay compensation switch?
This switch allows you to set up delay timing in a multi-radiator system so that each radiator receives the carrier at exactly the same time. This prevents signal dropouts that can be caused by out-of-phase signals (multi-path). With Listen’s delay compensation switch, it is not necessary to cut all of your coaxial cables to the same length - your shorter runs can use shorter cables, keeping your installation clean (and cost-effective).

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