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Troubleshooting
Issue Solutions
No audio
Make sure that the transmitter and receiver are both powered
on.
Ensure the transmitter’s batteries are installed correctly.
Check that the transmitter is not muted.
Confirm that the CR99 receiver adapter is correctly connected
and plugged into an electrical outlet.
Make sure the audio output cables are securely connected to
the CR99 receiver.
Ensure that the receiver and transmitter are in line of sight
with one another.
Check the receiver and audio input device level controls.
Ensure that the transmitter and receiver are set to the same
operating channel. If unsure, reset the channel by performing
an IR set.
Distorted audio
The receiver output level or audio input device level may be
too high.
Check the transmitters batteries, and replace if low.
The input gain on the transmitter or audio source level may
be too high.
Audio dropout
The transmitter may be too far away from the receiver. Move it
closer to the receiver, or reposition the antennas.
Remove any sources that may cause RF interference such as
cell phones, cordless phones, lighting equipment, computers,
metal structures, etc.
Move receiver to the top space of the equipment rack or place
on top of equipment to ensure there are no obstructions block-
ing line of sight from the transmitter.
Receiver will not
power on
Check the adapter to ensure it is properly connected and
plugged into an outlet providing power.
Transmitter will not
power on
Replace the transmitter batteries.
Unwanted noise or
interference
If using multiple systems, make sure none of the systems
are operating on the same channel. If the problem persists,
change one or all of the systems channels.
If using multiple systems, set all receivers to the same Group.
Perform a channel scan within the Group to select the opti-
mum Channels.