Radio Shack TRC-504 User Manual (English)

Questions and Answers:

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Courtney CruzJul 31, 2025
What to do if Radio Shack TRC-504 CB has trouble transmitting?
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  William WilsonJul 31, 2025
  If your Radio Shack CB radio is having trouble transmitting, ensure the transceiver power is on and that the antenna and microphone are securely connected. Check for corrosion on all connections, cleaning and tightening them as necessary. Firmly press the microphone connector into the jack if it seems loose. Make sure the PA/MON/CB switch is set to CB, and that the radio is on an active channel. Also, verify that the PUSH TO TALK button is fully pressed.
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Courtney FosterAug 5, 2025
How to fix Radio Shack TRC-504 Radio CB when it has trouble receiving?
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  karennguyenAug 5, 2025
  If your Radio Shack Radio CB is not receiving properly, first, ensure the transceiver power is on and the microphone and antenna are securely connected. Adjust the squelch if it's too high, and make sure the radio is set to an active channel. Confirm that the PA/MON/CB switch is set to CB. Also, adjust the VOLUME and RF GAIN as needed.
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Lori TaylorAug 9, 2025
What to do if Radio Shack Radio CB does not work at all?
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  Morgan ReynoldsAug 10, 2025
  If your Radio Shack Radio CB is not working at all, check that the power and microphone are securely connected. If the issue persists, the fuse might need replacing. Replace it with an identical fuse.
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Peter RomeroAug 15, 2025
Why is the sound distorted on my Radio Shack TRC-504?
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  Timothy HoodAug 15, 2025
  If the sound from your Radio Shack Radio is distorted, try adjusting the RF GAIN and VOLUME to see if that improves the audio quality.
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Scott JohnsonAug 20, 2025
What to do if I cannot select a channel on my Radio Shack TRC-504 Radio?
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  Oscar MurphyAug 20, 2025
  If you cannot select a channel on your Radio Shack Radio, ensure that the PA/MON/CB switch is set to CB and that the PUSH TO TALK button is released. Also, make sure the OUT/CH9/CH19 switch is set to OUT.
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Dr. Mary FoxAug 26, 2025
What to do if the PA does not work on my Radio Shack TRC-504?
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  Dawn GillespieAug 26, 2025
  If the PA on your Radio Shack Radio is not working, ensure that a PA speaker is connected securely. Also, verify that the PA/MON/CB switch is set to PA and adjust the VOLUME.