Question about Midland 1001Z 40-Channels Base CB Radio
The light you see lighting up dictate how much power you have on transmit (TX) and the strength of your receive (RF) The more lights on transmit the stronger your signal. The more lights lit up on receive dictates how hard they are hitting your radio. Either by power or distance. Is this setup in your car or at you home? Many use a mobile CB in there home off a power supply. Either way I am very concerned about you only getting out a couple blocks. I will help you fix this. First your antenna is a major part of your set up. Spare nothing when buying this. I recommend Wilson 300 or higher for the mobile and IMAX 2000 for home. Some Wilson antennas tune and some don't follow the instructions that come with it and ask me if you are unsure. A good 50ohm coax is necessary too. RG58 or better. For just the CB in the mobile RG58 will do just fine. Now we get to your SWR (Standing Wave Ratio) which deals with return loss and reflection coefficient. To high of an SWR and you will lose a lot of your signal and you can burn up your radio. Your radio does not come with an SWR meter so you will need to purchase an SWR/watt meter and put it inline. The coax from your antenna will run into your meter and then run another coax from your meter to the radio and follow the instructions on how to adjust and check your SWR. So now we are at the point where your set up is properly set up and now to tune that radio up. These radios do not carry much power or have much modulation. The limiter in your CB is what limits the modulation. In your CB there is a pot that will adjust this. Here is what you need to do to get more power and more modulation out of your CB. VR2 is the modulation pot. Adjust this for maximum modulation. Now spread the coils marked LT5/LT12 just a little and spread the coils marked LT7/LT11 a lot. Being a new radio it should not need a receive adjustment at all. Moding the receive includes jumping the PLL and I don't recommend that. You may try to replace that potentiometer but outside of this and the steps above you should have a great CB when completed. Good luck, this should fix your CB set up just fine.
Posted on Mar 20, 2011
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Posted on Jan 02, 2017
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