Garmin VHF 315i Owner's Manual
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Garmin VHF 315i Owner's Manual

Garmin VHF 315i Owner's Manual

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VHF 315 SERIES
Owner's Manual

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Summary of Contents for Garmin VHF 315i

  • Page 1 VHF 315 SERIES Owner’s Manual...
  • Page 2 © 2018 Garmin Ltd. or its subsidiaries All rights reserved. Under the copyright laws, this manual may not be copied, in whole or in part, without the written consent of Garmin. Garmin reserves the right to change or improve its products and to make changes in the content of this manual without obligation to notify any person or organization of such changes or improvements. Go to www.garmin.com...

  • Page 3: Table Of Contents

    Table of Contents Viewing Your MMSI Number....11 Distress Calls.........11 Sending an Undesignated Distress Introduction........1 Call............. 11 Handset Overview........2 Sending a Designated Distress Home Screen........... 3 Call............. 12 System Status Icons......4 Waiting For and Receiving and Acknowledgment for a Distress Basic Operation........
  • Page 4 Turning On and Off ATIS....... 20 Viewing Your ATIS Identification Number..........20 NMEA 0183 and NMEA 2000®..21 Additional Functionality with Other Garmin Devices........21 Communicating Over NMEA 0183 or NMEA 2000........... 21 Configuring DSC NMEA Transmissions........21 System Settings......22 Number Settings........

  • Page 5: Introduction

    Introduction WARNING See the Important Safety and Product Information guide in the product box for product warnings and other important information. Introduction...

  • Page 6: Handset Overview

    Handset Overview Item Key Description Hold to broadcast. Lift the door and press to send a DSC distress call with a programmed MMSI DISTRESS number (Entering Your MMSI Number, page 11). Press the key that corresponds to the on-screen item to select the item. On the home screen, rotate to change the channel.

  • Page 7: Home Screen

    Item Key Description Press to view a menu of DSC options. VOL/SQ Press to switch between volume or squelch. Home Screen Radio system status, settings, and alerts International, Canadian, or USA frequency band Latitude Longitude Time Speed over ground (SOG) or course over ground (COG) Soft-key functions change depending on your current activity Working channel The latitude, longitude, and time appear when the radio has a GPS signal acquired.

  • Page 8: System Status Icons

    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 alerts enabled GPS signal acquired...

  • Page 9: Adjusting The Squelch Level

    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.

  • Page 10: Scanning And Saving Channels

    Scanning and Saving Channels Scanning All Channels When you scan channels, the radio searches for channels that are broadcasting. When a channel is broadcasting, the radio pauses on that channel until the broadcast stops. After four seconds of inactivity on a channel, the radio resumes scanning.

  • Page 11: Monitoring Multiple Channels

    Monitoring Multiple Channels Before you can monitor multiple channels, you must turn off ATIS (Automatic Transmitter Identification System, page 20). You can monitor priority channels and the currently selected channel for broadcasting activity. Channel 16 is the first-priority channel on your radio. Channel 9 is the default second-priority channel. You can program a different channel as your second-priority channel (Selecting a Different Second-Priority Channel, page Select WATCH.

  • Page 12: Switching Between 1 W And 25 W Transmitting Modes

    Switching Between 1 W and 25 W Transmitting Modes You can control the transmitting power of the radio. Low (1 W) is used for local transmissions, and high (25 W) is used for distance and distress transmissions. When two signals broadcast on the same frequency, a VHF radio receives only the stronger of the two signals. You should transmit calls other than distress calls using the lowest power setting that allows you to communicate, to reduce the possibility that your transmissions interfere with the transmissions of others.

  • Page 13: Foghorn

    Foghorn NOTE: Foghorn functionality is not available on all VHF radio models. Before you can use the foghorn, you must provide and install a hailer horn (optional) on the deck or tower of your boat. For more information, see the Installation Instructions. The foghorn is part of the public address system of your radio.

  • Page 14: Tuning Weather Broadcasts

    Tuning Weather Broadcasts 1 From the home screen, press the ENTER dial. WX appears on the screen. 2 Turn the ENTER dial to change the weather channel. Enabling and Disabling Weather Alerts You can enable weather (WX) alerts to sound when you are using standard radio channels. 1 When tuning weather broadcasts, select ALERT to enable or disable weather alerts.

  • Page 15: Entering Your Mmsi Number

    Entering Your MMSI Number NOTICE You can enter your MMSI number only once. If you must change your MMSI number after entering it, you must take your radio to your Garmin dealer for reprogramming. ® The Mobile Marine Safety Identity (MMSI) number is a nine-digit code that acts as a DSC self-identification number, and it is required to use the DSC capabilities of your radio.

  • Page 16: Sending A Designated Distress Call

    Sending a Designated Distress Call When you send a designated distress call, the nature of your emergency is transmitted to the receiving stations. 1 Lift the spring-loaded door, and press DISTRESS. 2 Turn the ENTER dial, and select the type of distress call. TIP: You can select CLEAR to exit the screen without sending a distress call.

  • Page 17: Revoking A Distress Call

    Revoking a Distress Call You do not transmit a distress call until you hold DISTRESS for at least three seconds. If you inadvertently make a distress call, or are no longer in distress, you should cancel the call immediately by transmitting a voice message to all stations on channel 16.

  • Page 18: Placing All-Ships Calls

    Position data received from stations that respond to position request calls is sent over the NMEA ® network. You can track the vessels on your Garmin chartplotter. 1 Select DSC > POS. REQUEST. 2 Select an option: • To enter the MMSI number manually, select MANUAL, enter the MMSI number, and select ACCEPT.

  • Page 19: Receiving All-Ships Urgency And Safety Calls

    Receiving All-Ships Urgency and Safety Calls When you receive an all-ships urgency or safety call, ALL SHIPS appears on the screen, and URGENCY or SAFETY appears as the type of call. If the channel request is for an invalid channel, INVALID CH REQUEST appears on the screen.

  • Page 20: Position Tracking

    When you enable position tracking, the radio uses interval-based position requests to track up to three vessels. Your radio transmits received position data over the NMEA network, and you can track the vessels using your Garmin chartplotter (Configuring DSC NMEA Transmissions, page 21).

  • Page 21: Call Log

    Call Log When the radio receives a DSC call, it records the date and time, calling station, and type of call in the call log. The radio also records the latitude and longitude of the calling station if that data is transmitted with the call. DSC calls are logged as distress, position, or other calls.

  • Page 22: Saving A Vessel Or Station To The Directory From The Call Log

    Saving a Vessel or Station to the Directory from the Call Log 1 Select DSC > CALL LOG. 2 Select a call-log category. 3 Select the MMSI number you want to save. 4 Select SAVE. 5 Enter or edit the name for the saved vessel or station (optional) (Entering Text, page Deleting a Call Log Entry 1 Select DSC.

  • Page 23: Editing A Group

    Editing a Group 1 Select DSC > GROUP > EDIT ENTRY. 2 Select a group. 3 Edit the group MMSI number, the name, or both (Entering Text, page 4 Select ACCEPT. Deleting a Group 1 Select DSC > GROUP > DELETE. 2 Select a group.

  • Page 24: Automatic Transmitter Identification System

    Garmin dealer for reprogramming. NOTE: You can access the ATIS settings on the radio after the ATIS feature is activated by your Garmin dealer. 1 Select MENU > ATIS > MY ATIS ID.

  • Page 25: Nmea 0183 And Nmea 2000

    When you connect the radio to the same NMEA 2000 network as a Garmin chartplotter, and you initiate a man- overboard distress call from the radio, the chartplotter prompts you to navigate to the man-overboard location.

  • Page 26: System Settings

    System Settings Select MENU > SYSTEM. DISPLAY: Sets the backlight and contrast levels. BEEPER: Sets the volume or disables the beeper tone that sounds when you press a key or turn a dial. AUTO POWER-ON: Sets the radio to turn on automatically when it receives power. LANGUAGE: Sets the language for the radio.

  • Page 27: Changing A Channel Name

    Changing a Channel Name Channel names appear on the home screen using nine characters. If a channel name is longer than nine characters, the full name scrolls across the top of the screen, then switches to the short name. You can change the name of a channel to reflect a local meaning.

  • Page 28: Vhf 315 Series Specifications

    Geographic position (latitude and longitude) GNSS fix data Recommended minimum specific Loran-C data Recommended minimum specific GNSS data The device withstands incidental exposure to water of up to 1 m for up to 30 min. For more information, go to www.garmin.com/waterrating. Appendix...

  • Page 29: Nmea 2000 Pgn Information

    NMEA 2000 PGN Information Transmit Description 059392 ISO acknowledgment 060928 ISO address claim 061184 Single-frame proprietary 126208 NMEA request group function 126464 PGN's group function 126720 Fast-packet proprietary 126993 Heartbeat 126996 Product information 126998 Configuration information 129799 Radio frequency/mode/power 129808 DSC call information Receive Description...
  • Page 30 February 2022 GUID-2427D940-C342-48E4-ACB0-3B1CC0ABDD5F v4...

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