I have a cobra 29 ltd buletooth model. ive tested the swr and they're all fine. but the darn antenna warning light keeps comming on and off as the volume and pitch of my voice changes. can anybody help my with the ant. warning light pot? where is it located inside the cobra 29 ltd bluetooth radio?
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I see two possible problems. First, with a magnetic antenna it is difficult to get the proper ground for the antenna. Make sure the magnetic base is clean as well as where you place it. Second, try running your power lead DIRECTLY to the battery and not using the cigarette lighter. Hope it helps.
HELLO STAN FIRST HAS THE RADIO BEEN PEAKED AND TUNED? SECOND IS THE INTERIOR LIGHT IN YOUR PICK UP RIGHT BELOW YOUR ANTENNA,IF SO YOU HAVE A PROBLEM BUT EASY FIX THE WIRING GOING TO THE LIGHT ACTS LIKE AN EXTRA ANTENNA CAUSING YOUR ANTENNA TO RESONATE TO YOUR RADIO CAUSING THE A W I LIGHT TO COME ON MOVE YOU ANTENNA BACK A LITTLE FUTHER AND SHOULD BE GOODif you want to get a bettter antenna get a willson 500 mag mount far better
cobra 29 red light is normal but if you have two red lights that means that your swr is to high. take all that stuff you put on the antenna connection,get rid of the spring and adjust your antenna using an external swr meter. Get the swrs down around 1.5 and the second red light ,which is the AWI or antenna warning indicator,will also go out.
You insert an SWR meter in the antenna line, usually one end goes into the Antenna OUT socket, and the Antenna plugs into the SWR meter, you then tune you antenna coupler, inductor, & final PA, in the final stage, until you achieve a 1:1 SWR reading, this is however quite hard to achieve, so simply tune for the closest 1:1 SWR that you can achieve.
if the antenna warning indicator is lighting during transmission then
the antenna is either located and.or installed improperly or a defect
exists in the antenna mount or the feedline itself, including
Check the ground. Make sure its grounded well on bare metal. To see if the ground is bad, or not making good connection, disconnect the antenna and turn it on. if it does not power up, that means your ground is bad, and it was grounding only through the antenna.
Make sure not to key up with out the antenna connected.
ant. light should only come on if you have a high vswr a bad thing did you check that cb/pa switch is set to cb check your swr this is not a good place to mount ant. as it is close to metal of back of cab
Often an error code "Y" would indicate test/diagnostic result of the antenna. A communication equipment thus equipped would test the SWR and display this error code if:
no antenna detected; or
SWR of antenna is way too high.
Although am not familiar with the version of a Cobra 29LTD with this type of display. Could you pls post back the exact model of the radio, normally there would be two (2) more letters after the LTD something like Cobra 29LTD BT.
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