Question about Cobra GPS
Set the switches to: 1) S/RF, 2) OFF, 3) CB, 4) HI and 5) NOR. You may change any of these to any desired position except for the CB / PA switch. This switch must remain in the CB position to transmit "over the air" - whereas the PA selection simply sends the audio to the PA jack on the rear of the radio to an external, Public Address speaker and the WX position is to select Weather Band radio reception. It is not possible to transmit on the Weather Band channels.
Choose a channel and set the squelch to MIN and Volume to a comfortable level (you can increase the Squelch slowly just until the speak shuts off if you don't want to hear static sounds). Dynamike and RF Gain both should be set to MAX. Delta tune should normally be left at the mid point. The Dimmer and SWR/CAL knobs should be set to any position you like.
Make sure you have a properly tuned 27 Mhz CB antenna connected to the back of the radio. You should review the Calibrate for SWR procedure in the manual - SWR of 1.5:1 or less are ideal, and those greater than 2:1 are bad. SWR of 2.5:1 and up may damage the radio if left unfixed. Check this list of articles of how to tune a CB antenna if you have more questions about this very important subject.
You should download & review the manual . I hope this helps
Posted on Oct 08, 2010
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Posted on Jan 02, 2017
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