Listen Technologies LR-300, LR-500, LR-400 manual RF Reception Maximization Strategies

RF Reception Maximization Strategies

For proper and dependable operation, Listen receivers should receive a strong and consistent signal from the originating transmitter. The following strategies should be used to maximize this signal:

a. When designing and installing your system, keep in mind that the location of both the transmitter and receivers is critical to maximizing signal strength.

b. Eliminate or minimize obstructions between the transmitter and receivers. c. Minimize the distance between the transmitter and receivers.

d. Move transmitter and receivers away from metal objects.

e. Place the transmitting antenna as high as possible (on stationary transmitters).

f.Orient both transmitting and receiving antennas vertically.

g.For 216 MHz stationary LT-800 transmitter only, consider using a gain antenna such as a Yagi type antenna or the LA-107 ground plane antenna.

h.On portable transmitters and receivers, the cable from the microphone or headset is the antenna; ensure that the cable is not coiled or laying horizontal.

CAUTION: When installing remote antennas, ensure the antenna is clear of power lines.

NOTE: If the RF signal to the 216 MHz models is too high, the audio will be distorted. This may happen

if you are within 40 feet (12m) of the LT-800-216 transmitter or within 5 feet (1.5 m) of the LT-700-216 transmitter.

Coaxial cable, connectors, and optional antenna mounting kits are available from Listen. Visit www.listentech.com or ask your dealer for details.

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