Cb is installed, all grounding is complete, power source connected, I start to calibrate it w the gain, squelch, and volume all turned to complete low and as I turn the toggle to calibrate it is set @ the red mark, then I go to select swr and the reading is beyond the red cal mard, what am I doing wrong or is the coax to short @ 8' ft, should it be the normanl 18' ft with it all tucked under a seat ?
Get you a external swe meter $40 at radioshack the swr on the radios are worth diddly their always off bad so it would do u no good with that one working i never use the internal cause they put out false readings
SOURCE: Cobra 29 SWR, cal meter
Hello there:
Rule of thumb is go by what the manual tells you. providing it is the manual that is for the radio.. that is why they make manuals for that particular radio a 1-1 to a 1-2 swr rating is really good providing you have no saturation on the internal filter. over saturation due to swr being set too high will eventually burn out the finals of a radio
i have delt with radio's for about 17 years now so i really suggest consult the users manual and always use only a authorized dealer for that particular radio just like my cobra 2000 i am not going to send it to a shop that just does radios i want a authorized cobra dealer ok i hope that this really helps ok please dont forget to give this solution a rate for me it helps me out so i can continue to help out others like yourself.
best regards
MICHAEL
SOURCE: I just took my cobra
You seem to have a short or an open circuit . Could be a PL259 connector problem, the ant. is defective and can possibly be a bad ground. Try to add an extra GND. from the ant. base to a central GND. point...This will include the power neg. lead from the radio.
PLS E. Note: If the O/P POwer shown when you key up to check SWR is higher than usual this
will indicate a definate ant. problem................GOOD LUCK and have fun learn'n ! ! !
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