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How to set dk on cobra29 ltd classic - Cobra Radio Communications

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Reverse the procedure in the way you turn it up. You need a watt meterand a small non metallic screw driver.hook the meter between the radio and the antenna and turn it on.Now find l14 , it will be near the final. Watch your meter and turn the screw slow and it will either go up or down ,which ever way you need it to go. Have a great day.

Posted on Aug 23, 2014

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Posted on Jan 02, 2017

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SOURCE: when i hook up my

HI, my name is John. Red to hot fuse under dash or battery and black to ground hope this was helpful.... good luck John

Posted on Oct 08, 2010

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Broken wire on sf/swr meter cobra29 ltd


first it was an orange wire nows it a red wire.Take the wire in hand and stretch it out. Look for a WR post and see if it has a wire in it .If it doesn't thats probably the spot.

Apr 29, 2014 | Cobra Radio Communications

1 Answer

Cb wont cal


put an external meter on it to get a match.

Dec 03, 2012 | Cobra 29-LTD 29 LTD Classic CB Radio

1 Answer

I have a cobra29 LTD Classic and the ant warning led lights each time I key the mike. I have the radio mounted in an overhead dash, the radio is grounded to the truck via the power plug. That ground goes...


A VSWR meter is your best bet. They are cheap for cb's . If the antenna is badly mismatched you will get an antenna warning lamp on. If the antenna has a tuning coil you will see usually continuity to ground from the whip. Use the vswr meter on the radio. Set to calibrate first, transmit on channel twenty while rotating the swr cal knob. set needle on orange triangle at top right of scale. Select VSWR mode and transmit. needle should move up slightly if antenna is tuned correctly. Try chaneel 1 and 40 with same procedure. You can tell if antenna is tuned more toward the high or low frequency by how high the needle is on the scale. The higher the reading the worse the match is. If there is always a high scale reading then try another antenna that you know works.Watch for flattened/damaged/water in between braid and jacket or corrosion on coax as this will change the coax impedance drastically

May 13, 2012 | Cobra Radio Communications

1 Answer

I have a cobra ltd 29 bt hooking to a 102 inch whip and cannot get m swr readings down under 3 or it will go up higher then the calibrate triangle instead of down. my antenna is mounted with a gumdrop...


  • Sounds to me like you need to check the connectors and connections on that coax. A cobra29 and a 102" whip is a simple enough set up and should not produce that high of SWR unless the coax or the connectors on the coax are pretty messed up. Also i recommend putting an SWR meter in line.
  • The meters on them Cobras can be accurate sometimes but I trust an inline meter much more.
  • Ground it again to make sure.
Regards, Tony

May 17, 2011 | Cobra 29 LTD CB Radio

1 Answer

When i hook up my cobra29 LTd to my pickup it keeps blowing fuses. What do i need to do or whats wrong.


HI, my name is John. Red to hot fuse under dash or battery and black to ground hope this was helpful.... good luck John

Oct 08, 2010 | Cobra 29 LTD CB Radio

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