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12
Troubleshooting
Issue
Indicator Status
Solution
No sound or faint sound
Receiver RF bars and battery
• Verify all sound system connections or adjust gain as needed (see
LED illuminated
Adjusting Gain)
• Verify that the receiver is connected to mixer/amplifier
Receiver RF bars and battery
• Turn on transmitter
LED off
• Make sure the batteries are installed correctly
• Perform transmitter setup (see Single System Setup)
• Insert fresh batteries
Receiver screen off
• Make sure AC adapter is securely plugged into electrical outlet.
• Make sure receiver is powered on
.
Transmitter indicator LED
Replace transmitter batteries (see Changing Batteries)
.
flashing red
Audio artifacts or dropouts
Receiver RF bars and battery
• Change receiver and transmitter to a different group and/or channel.
LED flickering
• Identify nearby sources of RF interference, and shutdown or remove
source.
• Replace transmitter batteries.
• Ensure that receiver and transmitter are positioned within system
parameters
• System must be set up within recommended range and receiver kept
away from metallic surfaces.
• Transmitter must be used in line of sight from receiver for optimal
sound
Distortion
Audio meter on receiver
Reduce transmitter gain (see Adjusting Gain)
.
indicates overload (OL)
Sound level variations when
N/A
Adjust t~ansmitter gain as necessary (see Adjusting Gain).
switching to different sources
Receiver/transmitter won't turn
LED indicator flashing rapidly,
See Locking and Unlocking Controls.
off
lock icon shown on receiver
display
Transmitter beyond receiver
Receiver display dimmed to
Move transmitter closer to receiver
range
50%
Furnished Accessories
Rack mount kit
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Optional Accessories
Power supply
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1 /4-wave antennas (2)
Antenna Combiners and Accessories
The following optional accessories are available from Shure. Please visit
www.shure.com for more information.
• Antennas and receivers must be from the same band.
• The supplied 1/4 wave antennas can be used when mounted directly to
the UA844. If antennas are remote mounted, 1/2 wave antennas must
be
used.
• Antennas and cables are for use with antenna distribution systems, and
cannot be used with stand-alone receivers
Passive Antenna/Splitter Combiner Kit
(recommended for 2 receivers)
25
ft.
BNC-BNC Coaxial Cable
50
ft.
BNC-BNC Coaxial Cable
100
ft.
BNC-BNC Coaxial Cable
1 /2 Wave Antenna Remote Mount Kit
UHF Antenna Power Distribution Amplifier
(recommended for 3 or more receivers)
1 /2 Wave Antenna
Single Rack Mount Kit
Dual Rack Mount Kit
UA844
T
UA221
UA825
UA850
UA8100
UA505
UA844
UA8
RPW503
RPW504
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