Troubleshooting
Microphone will not charge from the USB jack on my
computer
• Verify that you have the microphone drivers installed. To install
the drivers, you will need to install the FrontRow Microphone
Settings application or Teacher Edition application.* You may
need to reconnect your microphone after installation.
• If using a laptop computer, verify that it is plugged into a
power outlet.
• If using a computer (desktop or laptop) that is plugged into
a power outlet, you may be using a low power USB jack. Try
other USB jacks on the computer.
Microphone is not recognized by my computer
• Verify that you have the microphone drivers installed. To
install the drivers, you will need to install the FrontRow
Microphone Settings application or the FrontRow Teacher
Edition application*. You may need to reconnect your
microphone after installation.
All the lights are flashing on my Pendant or Pass-Around
Microphone
• If all lights are flashing after attempting a firmware update,
open the Microphone Settings application and connect the
microphone to the computer with the USB cable. After a
short time, a message will be displayed that the microphone
needs to be updated. If this message is not displayed,
disconnect the USB cable and remove the battery (see
pages 9 and 13). After about 15 seconds, replace the battery
and battery door and then reconnect the USB cable to the
computer and microphone. The following message should now
be displayed: Click Start Update to proceed. The microphone
will have the original version of the firmware installed. After this
completes, click Check Now to update the microphone to the
current version of the firmware.
The Battery Indicator on the Pendant or Pass-Around
Microphone is flashing green/red
•
Make sure the unit is not excessively hot or cold.
•
Remove microphone from charger for 5 minutes and then
try again.
•
The battery needs to be replaced
The Push-to-Talk function is not working on the Pass-Around
Microphone
•
Verify you are pressing on the lower section of the switch (see
page 11).
•
Verify the battery is charged.
No signal reception
• Check that the microphone is on
(see pages 8, 11)
.
• Check that the microphone is not muted (see page
8
)
(ITM-02 only).
• Verify that you are not blocking either the emitters on the
microphone or the sensors on the wall or ceiling.
• If reception is interrupted when facing a certain direction,
install an additional sensor in that area of the room (see
Installer Guide) or adjust VoiceChoice settings (see page
15
).
• If using more than one microphone, verify that they are not
on the same channel
(see page 16-17)
.
’Dead spots’ or
microphone crackling/noise
• Verify that you are not blocking either the emitters on the
microphone or the sensors installed on the ceiling or wall are
not being blocked.
• If reception is interrupted or noisy when facing a certain
direction, install an additional sensor in that area of the room
(see Installer Guide) or adjust VoiceChoice settings
(see page
15
).
• If using more than one microphone, verify that they are not
on the same channel
(see pages 16-17)
.
• There may be "noisy" electrical wiring. Install an AC line filter.
Feedback (squealing)
•
Lower the Microphone or Master volume.
• Position the microphone closer to mouth.
Weak or no output from speaker(s)
•
Increase t
he Master, Device or Microphone Volume control
• Position the microphone closer to mouth.
• Verify that the microphone is on and not muted.
High- or low-pitched whine or hum coming through speakers
•
There may be a ground loop with the system. Install a ground
loop isolator.
• There may be "noisy" electrical wiring. Install an AC line filter..
Charging light won't come on
•
Check that the charger is connected to a working power outlet.
When playing audio from an audio device such as an
iPhone
™
or other MP3 player, I can hear background
noise through the speakers
•
Your device may be emitting a low level hum that is amplified
by the ezRoom. Use a filtering cable such as a ground loop
isolation transformer cable to eliminate or reduce the noise.
*Available at www.gofrontrow.com/guides-resources
27
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