CB Troubleshooting

CB Noise
The problems you are experiencing may be caused by vehicle noise.   Use this document to identify and reduce vehicle noise. It may not be possible to comple...
CB Squeal
Your CB radio has been thoroughly tested, no squealing problem was observed.  The squealing noise you have experienced may be solved by one of the following...
CB SWR
WHAT IS SWR?   SWR is short for Standing Wave Ratio.  It is a measure of how well the antenna is performing.  Most problems with the antenna or antenna ca...
CB Powers Up On Channel 9
Models:  18WXST, 19DX, 19DXII, 19DXIII   These models do not retain the channel number when power is lost. When power is applied they will come up on chan...
Why do I hear CB radio sound during a phone call when using a BlueParrott headset?
Multipoint Bluetooth headphones connect to multiple devices at once. This allows you to switch between devices effectively.  Performance among various devic...
Adjusting the antenna warning on the 29LX
The 29 LTD (and variants) have an antenna warning on the front panel as described below:   On the 29 LX and the 29 LX LE, it will actually say “Antenna W...
29 LTD BT: Bluetooth Troubleshooting
I cannot get my phone to pair with the radio   Make sure your cell phone has Bluetooth! When asked for a passcode, enter “0000”. For help with your pho...
Why is my headset not working with the All Road VOX feature?
The 75 All Road VOX or ‘voice activated transmission’ feature is only supported through the All Road handset and is not supported with a 3rd party headset (...
29 LX SWR Check
The 29 LX has a built-in SWR meter that lets you check how well the antenna is tuned to the CB band. It is recommended to check the SWR on channels 1, 20, a...
When I turn my 75 All Road handset ON, all I see is the Cobra logo, what do I do?
To correct this issue, first disconnect power to the Blackbox. Next, plug your handset into the Blackbox USB jack and then reconnect power to the Blackbox....