Shure Incorporated
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When there is an RF overload indicator on the inline amplifier, the amplifier might not be necessary, or it should be placed fur
ther down the cable run at a midpoint between the antenna and receiver. The gain switch only affects output gain, and cannot
compensate for input overload at the amplifier.
If there is an RF overload signal on the receiver, reduce the gain on the inline amplifier, or move it further up the cable run so
there is more cable between the receiver and the amplifier. Note that the overload level for the amplifier might be greater than
that for the receiver input, so it cannot be used to indicate whether the signal will overload the receiver at that point in the cable
run.
Installation
Connect between the antenna and receiver (or antenna distribution system), as shown. The
DC POWER
LED illuminates
green when the receiver is powered on.
Use Shure low-loss coaxial antenna cable (or any 50 ohm, low-loss cable.
The quality of the cable, not just the length, contributes to signal loss. A lighter grade 50 foot cable may require more gain
than a 100 foot, low-loss cable.
Active antennas, such as the UA874, have a built-in amplifier, and may not require additional amplification.
Caution:
Use only Shure antenna accessories to ensure the best operation. Do not use splitters, combiners, or antennas that
provide a DC ground. If necessary, use a BNC DC block device (compatible with the receiver RF band).
Attach the antenna to the connector labeled
TO ANTENNA
