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RF Reception/Resetting
14
For proper and dependable operation, Listen receivers should receive a strong and
consistent signal from the originating transmitter. The following strategies should
be used maximize this signal:
a. When designing and installing your system, keep in mind that the location of
both the transmitting and receiving antennas is critical to maximizing signal
strength.
b. Eliminate or minimize obstructions between the transmitting antenna and the
receiving antenna.
c. Minimize the distance between the transmitting and receiving antennas.
d. Move transmitting and receiving antennas away from metal objects.
e. Place the transmitting antenna as high as possible.
f. Orient both transmitting and receiving antennas vertically.
g. For 216MHz unit only, consider using a gain antenna such as a Yagi type
antenna.
CAUTION: When installing antennas, ensure the antenna is clear of power lines.
NOTE: If the RF signal to the 216MHz models is too high, the audio will be dis-
torted. This may happen if you are within 40 feet of the LT-800-216 transmitter.
Coaxial cable, connectors, and optional antenna mounting kits are available from
Listen. Visit www.ListenTech.com or ask your dealer for details.
RF Reception Maximization Strategies
In an overload condition, the LR-100 will go into a protective state to protect the
unit and power supply from excessive current and heat. This condition will occur if
the speaker terminals are shorted to each other or if they are shorted to the chassis
for over 15 seconds. In this condition, the LR-100 will no longer function normally.
If the LR-100 stops functioning normally, do the following:
1. Turn the unit off and unplug it from power. If you are operating the LR-100 with
an external +12VDC source such as a battery, disconnect the power source from
the unit.
2. Remove the short to the speaker terminals.
3. Wait 30 seconds or longer.
4. Plug the unit back in and turn the power on.
The LR-100 should now function normally. If the unit is still not functioning nor-
mally, contact Listen Support.
Resetting After an Overload Condition