Non-display radios can access only the first 3 ABC.

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Multiple Choice

Non-display radios can access only the first 3 ABC.

Explanation:
Non-display radios have a fixed, limited set of channels they can access. Without a screen to show or select beyond what’s pre-programmed, they can reach only the first group of channels, which are labeled A, B, and C. Since they can’t navigate to or input higher channels, a fourth channel (D) isn’t accessible, and the radio won’t reach beyond the initial trio. That’s why the accessible set is the first three ABC. Saying it’s only AB would omit the necessary third channel, and saying all channels would ignore the stated limitation. Access to the first three ABC is the correct understanding.

Non-display radios have a fixed, limited set of channels they can access. Without a screen to show or select beyond what’s pre-programmed, they can reach only the first group of channels, which are labeled A, B, and C. Since they can’t navigate to or input higher channels, a fourth channel (D) isn’t accessible, and the radio won’t reach beyond the initial trio. That’s why the accessible set is the first three ABC. Saying it’s only AB would omit the necessary third channel, and saying all channels would ignore the stated limitation. Access to the first three ABC is the correct understanding.

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