Raytheon Radio Communications - Recent Questions, Troubleshooting & Support

That model is meant for marine (boat) use. You can pre-test it anywhere as long as you are providing the proper power source. It's meant for 12vdc. If you have a marine battery, or a car battery handy, just power it up from that. You do not want to plug it in to household current, you would fry it in a matter of seconds. I would suggest hooking it up to the power 12v outlet in your car of truck to test it.

Try replacing the volume potentiometer (knob.) See if that helps

Sounds like a bad speaker. Try plugging in an external one and see if that works if so replace the bad speaker.

Sounds like your IF filter is bad they are usually the same in most mobiles if you can not find the original take a used one out of an old mobile to replace yours.

Go to the Nearest Truck Stop they have many types of Mic holders i am sure one will work for you.

I use two L brackets myself, you can get them at any hardware store.......hope this was helpful..

best height is as high as possible.
height = might

make sure that you havent pulled one of the wires loose inside.. it is pretty easy to do.. I did it myself and didnt realize it until i had the same problem.. check where the mic. plugs into the radio first, if that is okay then it may be in your mic itself.. what kind of mic do you have it hooked up to

No you cannot, they are on different frequencies. This simply will NOT work. It may receive but will cook the output devices on Transmit die to the SWR being way off.