Garmin VHF 315 Series Installation Instructions Manual
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Garmin VHF 315 Series Installation Instructions Manual

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Important Safety Information
See the Important Safety and Product Information guide in the product box for product warnings and other
important information.
To avoid possible personal injury, always wear safety goggles, ear protection, and a dust mask when drilling,
cutting, or sanding.
When drilling or cutting, always check what is on the opposite side of the surface to avoid damaging the vessel.
Tools Needed
• Pencil
• Drill
7
• 22 mm (
/
in.) drill bit or hole saw
8
1
• 3 mm (
/
in.) drill bit
8
1
• 13 mm (
/
in.) drill bit
2
3
• 4.76 mm (
/
in.) wrench (for mounting the handset connector)
16
• Additional drill bits appropriate for the surface and hardware
• Phillips screwdriver
• Rotary cutting tool or jigsaw (for mounting the active speaker)
• Marine sealant (optional)
Mounting Considerations
This device should be mounted in a location that is not exposed to extreme temperatures or conditions. The
temperature range for this device is listed in the product specifications. Extended exposure to temperatures
exceeding the specified temperature range, in storage or operating conditions, may cause device failure.
Extreme-temperature-induced damage and related consequences are not covered by the warranty.
• You must mount the device in a location where it will not be submerged.
• You must mount the device in a location with adequate ventilation where it will not be exposed to extreme
temperatures.
June 2021
VHF 315 SERIES
INSTALLATION INSTRUCTIONS
WARNING
CAUTION
NOTICE
NOTICE
GUID-395B9869-0DCF-4E17-A266-0D9FF08A27DE v3

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Summary of Contents for Garmin VHF 315 Series

  • Page 1 VHF 315 SERIES INSTALLATION INSTRUCTIONS Important Safety Information WARNING See the Important Safety and Product Information guide in the product box for product warnings and other important information. CAUTION To avoid possible personal injury, always wear safety goggles, ear protection, and a dust mask when drilling, cutting, or sanding.

  • Page 2: Mounting The Device

    This device generates and radiates radio frequency (RF) electromagnetic energy (EME). Failure to observe these guidelines may expose people to RF radiation absorption exceeding the maximum permissible exposure (MPE). Garmin declares an MPE radius of 2.48 m (97.64 in.) for this system, which was determined using 5 W output ®...

  • Page 3: Active Speaker Mounting Considerations

    GHS 11 STATION 1 port on the VHF radio. If needed, additional extension cables are available from your Garmin dealer.
  • Page 4 Mounting the Active Speaker NOTICE Be careful when cutting the hole to mount the speaker. There is only a small amount of clearance between the case and the mounting holes, and cutting the hole too large could compromise the stability of the speaker after it is mounted.
  • Page 5 Installing the Handset Connector in the Mounting Surface Before drilling a hole to mount the handset connector from the active speaker, you should mount the active speaker and verify that the cable from the active speaker is long enough to reach the handset-connector mounting location (Mounting the Active Speaker, page If you do not install the active speaker, you must verify that the included extension cable is long enough to...

  • Page 6: Ghs 11 Mounting Considerations

    • You must connect the primary handset (installed in the wheelhouse or adjacent room, in accordance with FCC law) to the GHS 11 STATION 1 port. • You can connect up to three handsets to the radio. You can purchase additional handsets from your Garmin dealer.

  • Page 7: Connecting A Vhf Antenna

    NOTE: You can purchase a VHF extension cable. Go to buy.garmin.com or contact your Garmin dealer. 2 Connect the VHF antenna cable to the VHF antenna port on the VHF device. Connecting the Active Speaker to the VHF Radio and Handset...

  • Page 8: Nmea 2000 Connections

    NMEA 2000 devices will drain your battery if the NMEA 2000 power cable is connected to the battery directly. If you are unfamiliar with NMEA 2000, you should read the “NMEA 2000 Network Fundamentals” chapter of the Technical Reference for NMEA 2000 Products. Go to garmin.com/manuals/nmea_2000. Item Description...

  • Page 9: Connecting The Device To A Remote Gps Antenna

    Item Description NMEA 2000 T-connector NMEA 2000 terminator or backbone cable Connecting the Device to a Remote GPS Antenna This device must receive GPS information for proper functionality. You can connect the device to a NMEA 2000 network with a GPS antenna, or you can install a remote GPS antenna (not included) and connect it to the device.
  • Page 10 This diagram illustrates two-way connections for both sending and receiving data. You can also use this diagram for one-way communication. To receive information from a NMEA 0183 device, refer to items , and when connecting the Garmin device. To transmit information to a NMEA 0183 device, refer to items , and when connecting the Garmin device.

  • Page 11: Vhf 315 Series Specifications

    1W (with 4 ohms at 10% distortion) 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. 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.

  • Page 12: Active Speaker Specifications

    50 cm (19.6 in.) Water rating* IEC 60529 IPX7 Audio output power 2.5 W nominal, 4 W max. 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.
  • Page 13 NMEA 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...

  • Page 14: Nmea 0183 Information

    Recommended minimum specific GNSS data © 2018 Garmin Ltd. or its subsidiaries Garmin and the Garmin logo are trademarks of Garmin Ltd. or its subsidiaries, registered in the USA and other countries. GHS is a trademark of Garmin Ltd. or its ®...

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