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About the COM3 MIC button |
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40 channel UHF FM Transceiver |
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Pressing the COM3 MIC button selects the Com 3 transmitter and receiver. | ||||
Check that the DU button on the front of Com 3 is OUT |
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When COM3 MIC is selected, pressing COM1 and COM2 simultaneously monitors Comms 1 & 2 but transmission is only on Com 3 | ||||
The COM3 MIC indicator light blinks while the Com 3 transmitter is keyed on | ||||
Include these indicators in your panel scan to detect inadvertent transmitter activation |