Garmin VHF 300i Owner's Manual - Page 17
Listening to NOAA Weather Broadcasts and Enabling Weather Alerts - vhf 300 ais manual
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Basic Operation 3. Press the PTT key on the handset to sound the horn. The horn will stop when you release the PTT key. 4. Turn the Channel knob to adjust the volume of the horn. 5. Select EXIT to return to the Home screen. Adjusting the Sound Frequency of the Foghorn You can increase or decrease the sound frequency of the foghorn. The pitch of the tone will rise with an increase in the frequency, and will fall with a decrease in frequency. The minimum setting is 200 Hz and the maximum setting is 850 Hz. The default setting is 350 Hz. Regulations dictate the correct frequency of foghorns. Typically, these regulations correlate the required foghorn frequency with the size of the vessel. 1. Select the MENU key. 2. Select SYSTEM > FOG FREQUENCY. 3. Use the Channel knob to adjust the frequency in 50 Hz increments. 4. Select ACCEPT to save your changes and return to the Home screen. Select CANCEL to disregard the changes and return to the previous screen. Listening to NOAA Weather Broadcasts and Enabling Weather Alerts NOTE: This functionality is not available with the VHF 300i or VHF 300i AIS. NOAA broadcasts on the WX channels are only available in the USA and certain regions in Canada. There are 10 WX (weather) channels that are pre-programmed into your radio to monitor weather broadcasts from the National Oceanic and Atmospheric Organization (NOAA). WX channels are listen-only channels. These broadcasts are in a continuous loop and are updated regularly. Because the NOAA weather centers broadcasting the information are regional, the weather information will be relevant to your broadcast area. Accessing WX (Weather) Mode 1. While viewing the Home screen, press the Channel knob. "WX" is displayed to indicate that you are listening to WX frequencies. 2. Turn the Channel knob to change the channel. 3. Select EXIT to return to the Home screen. The radio returns to the channel you were listening to before you entered WX mode. VHF 300 Series Owner's Manual 11