Garmin VHF 315 Owners Manual PDF - Page 5

Introduction WARNING See the Important Safety and Product Information guide in the product box for product warnings and other important information. Handset Overview Item Key PTT À DISTRESS Á  ENTER à PWR North America: 16/9 International: 16+ HI/LO CLEAR MENU DSC VOL/SQ Description Hold to broadcast. Lift the door and press to send a DSC distress call with a programmed MMSI number (Entering Your MMSI Number, page 4). Press the key that corresponds to the onscreen item to select the item. On the home screen, rotate to change the channel. On the home screen, press to toggle weather channels (NOAA® Weather Broadcasts and Alerts, page 4). Rotate to change the volume or squelch level after pressing the VOL/SQ key. Rotate to highlight an item in a list. Press to select an item. Hold to turn the radio on and off. Press to toggle between preset channels. Press to change the transmission mode and power settings. Press to return to the previous menu option. Press to cancel or mute an incoming DSC call. From the home screen, press to view configuration options. From a menu, press to return to the home screen. Press to view a menu of DSC options. Press to switch between volume or squelch. Home Screen Radio system status, settings, and alerts. À International, Canadian, or USA frequency band Á *Latitude  *Longitude à *Time Ä **Speed over ground (SOG) or course over ground (COG) Å Soft-key functions change depending on your current activity Æ Working channel Ç *The latitude, longitude, and time appear when the radio has a GPS signal acquired. You can enter data manually when the radio does not have a GPS signal. ** The SOG and COG appear when the radio has a GPS signal acquired, and the option is enabled in the menu (Number Settings, page 9). System Status Icons Icon Status Receiving an incoming signal Transmitting Transmitting at 25 W Transmitting at 1 W Saved channel Local receiver mode, often used in areas with radio frequency interference (harbors) ATIS enabled Position tracking enabled Auto channel changing disabled Incoming or missed DSC call Weather alert GPS signal acquired Basic Operation Turning On and Off the Device Hold PWR. TIP: You can set the device to turn on automatically (System Settings, page 9). Adjusting the Volume 1 Set the squelch level to MIN before you adjust the volume (optional). 2 Select VOL/SQ twice. VOLUME appears on the screen. 3 Turn the dial to increase or decrease the volume. Adjusting the Squelch Level You can adjust the sensitivity level of the squelch to filter out background noise. When you increase the squelch level, you hear fewer weak background signals when you are receiving. 1 Select VOL/SQ. SQUELCH appears on the screen. 2 Turn the dial counter-clockwise until you hear audio. 3 Turn the dial clockwise until there is no background noise. Introduction 1