Audio

You may need to perform a factory reset, to learn how to do this click here.

You may be using the wrong channel type, ensure that you are only using the simplex channels when testing. For example, you can use channels 6, 8, 9, 10, 13, 67, 72, or 73.

First, verify that noise is audible from the speakers by setting the squelch level to zero. If you don’t hear any noise, try adjusting the volume.

If you can hear audio or noise, press the Vol/Sq knob a few times until squelch is displayed, then adjust the squelch level until the noise stops.

If you still don’t hear any audio after completing these steps, contact support@em-trak.com for help.

If the audio settings are incorrect, try a factory reset. To perform a reset, click here.

Check if the microphone is clear or any dirt or debris, if you’re experiencing muffled audio during communication, a quick check and clean of the mic port can often resolve the issue, ensuring clear sound for effective communication.

You may be using the wrong channels when testing the communication with another vessel, ensure you are only using Simplex channels. For example, you can use channels 6, 8, 9, 10, 13, 67, 72, or 73 to ensure proper functionality.

The transmission power might be set to 1W, which is often not enough to communicate with vessels that are farther away. To increase the power, press the Hi/Lo button on the fist mic or use the softkey on the VHF radio screen.