Troubleshooting - FrontRow 5301R User Manual

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T roubleshooting
Receiver won't turn on (power light doesn't
turn on)
• V erify that the power supply is plugged into
both the receiver and a working wall outlet
• Test with another power supply
'Dead spots' or microphone crackling/noise
• V erify that you are not blocking either the
emitters on the microphone or the sensors
mounted around room
• I f reception is interrupted or noisy when facing
a certain direction, install an additional sensor
in that area of the room (see Installer Guide)
• I f using more than one microphone, verify
that they are not on the same channel
• Recharge or replace the microphone batteries
• T here may be "noisy" electrical wiring. Install
an AC line filter (see Installer Guide)
No signal reception (channel indicator light
on receiver is red)
• Check that the microphone is on
• C heck that the microphone is not muted
(940TM only)
• V erify that you are not blocking either the
emitters on the microphone or the sensors
mounted around the room
• I f reception is interrupted when facing a
certain direction, install an additional sensor
in that area of the room (see Installer Guide)
• I f using more than one microphone, verify
that they are not on the same channel
• Recharge or replace the microphone batteries
Feedback (squealing)
• L ower the Microphone A or B Volume control(s)
on the receiver
• M ake sure that speakers are mounted as close
as possible to the ceiling and to the listening
area; avoid mounting speakers in the teacher's
primary lecture area
• Position the microphone closer to mouth
• S et the gain switch on the pass-around
microphone to "mid" or "low"
• Reduce treble EQ setting
Weak or no output from speaker(s)
• I ncrease the Microphone A or B Volume
or Audio In Volume control(s) on
the receiver
• I f trying to amplify sound from a computer,
DVD player, MP3 player, or other device,
be sure the volume control on that device
is turned completely up
• Position the microphone closer to mouth
• S et the gain switch on the pass-around
microphone to "mid" or "high"
• V erify that the speakers have been properly
installed
High or low pitched whine or hum coming
through speakers
• T here may be a ground loop with the
system. Install a ground loop isolator (see
Installer Guide)
• T here may be "noisy" electrical wiring. Install
an AC line filter (see Installer Guide)
Charger light won't come on or is
blinking red
• C heck that the charger is connected to a
working power outlet
• T he charger can charge only 950H and
940TM microphones with charge contacts.
Refer to page 5, feature 12 to confirm that
your microphone has these contacts.
• Y ou may be attempting to charge an
alkaline battery or a rechargeable battery
that has reached the end of its useful life.
Check the battery and replace with
a FrontRow "silver sleeve" rechargeable
battery.
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