Garmin VHF GHS 10i User's Manual

Garmin Marine Radio User's Manual - VHF GHS 10i.
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VHF 300 Series Radio Installation Instructions

These installation instructions are for the following VHF radios and handsets:

North American Models

International Models

VHF 300

VHF 300i


VHF 300i AIS

GHS™ 10

GHS 10i

Throughout these instructions, both the VHF 300 and the VHF 300i will be referred to as the VHF 300 series radio, or “the radio”. The GHS 10 

and the GHS 10i will be referred to as the GHS 10.
Compare the contents of this package with the packing list on the box. If any pieces are missing, contact your Garmin® dealer immediately.

Product Registration

Help us better support you by completing our online registration today. Go to Keep the original sales receipt, or a 

photocopy, in a safe place.

Contact Garmin

Contact Garmin Product Support if you have any questions while using your VHF 300 series radio. In the USA, go to, or contact Garmin USA by phone at (913) 397.8200 or (800) 800.1020.
In the UK, contact Garmin (Europe) Ltd. by phone at 0808 2380000.
In Europe, go to and click Contact Support for in-country support information, or contact Garmin (Europe) Ltd. by 

phone at +44 (0) 870.8501241.

Warnings and Safety Notices
Antenna Mounting and EME Exposure

The VHF 300 series radio generates and radiates radio frequency (RF) electromagnetic energy (EME). Failure to observe these guidelines may 

expose persons to RF radiation absorption exceeding the maximum permissible exposure (MPE).
Garmin declares an MPE radius of 59 in. (1.5 m) for this system, which was determined using 25 watts output to an omni-directional 9 dBi gain 

antenna. The antenna should be installed such that a distance of 59 in. (1.5 m) is maintained between the antenna and all persons.

  WARNING: Radio operators with cardiac pacemakers, life-support machines, or electrical medical equipment should not be exposed to excessive 

radio-frequency fields.

  WARNING: Operate the device in accordance with the instructions supplied.

  CAutIoN: Wear safety goggles and a dust mask when drilling, cutting, or sanding.

  NotICe: The device complies with internationally recognized standards covering human exposure to electromagnetic fields from radio devices.

  NotICe: Check with local authorities for any antenna or operational restrictions that may apply.

  NotICe: To prevent possible damage to your radio, the antenna must be connected to the radio before transmitting. This ensures that the power output 

to the antenna port dissipates properly when transmitting.

Needed Tools

Drill and drill bits
#2 Phillips screwdriver
3 1/2 in. (90 mm) hole saw (for installing the active speaker)
Waterproof, adhesive tape (such as rubber vulcanizing tape)

May 2010 

190-01098-02 Rev. C 

Printed in China

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