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If the AMC is active when the carrier is turned down, you will totally shut off the mike audio if the carrier level falls below the threshold for the comparator transistor. If not, the audio level will be seen to fall off as the carrier is reduced. Various 10-meter radios have been made with two AMC trimpots, one for the high side of a carrier switch, the other one for the low side.

Safe to say a lot of operators with a carrier control on the radio also have the AMC bypassed or turned way down.

73

[QUOTE="nomadradio, post: 825741, member: 22"] If the AMC is active when the carrier is turned down, you will totally shut off the mike audio if the carrier level falls below the threshold for the comparator transistor. If not, the audio level will be seen to fall off as the carrier is reduced. Various 10-meter radios have been made with two AMC trimpots, one for the high side of a carrier switch, the other one for the low side. Safe to say a lot of operators with a carrier control on the radio also have the AMC bypassed or turned way down. 73 [/QUOTE]

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