Cobra 148NWST User Manual

Name: Cobra 148NWST
Brand: Cobra
Rating: 5 (1 reviews)

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Technical Bulletin 10020 Page 2 of 2

Checking Microphone Sensitivity

1. Connect an audio source to the microphone input.

2. Connect a modulation meter to the antenna connector.

3. Turn Soundtracker off.

4. Adjust the audio source for 50% modulation.

5. The audio level should be between 1mV to 2mV. If the audio level is below 1mV, increase R126.

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