Garmin GMI 20 User Manual

GMI™ 20

Quick Start Manual

April 2013 190-01609-01_0A Printed in Taiwan

Introduction

WARNING

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

Device Configuration

NOTE: Certain functions may not be available if the appropriate

censors are not connected to the device.
The GMI 20 allows you to view data provided by sensors

connected to the device on a NMEA 2000® or NMEA® 0183
network.

Takes you to the previous menu or to the instrument screen.

Displays additional settings for an instrument or screen.

or Scrolls through the instrument pages and menu items.

Opens the display settings when pressed once. Turns the
device off when held.

Opens the backlight settings when pressed twice.
Opens the power down settings when held.

Profiles

Profiles are collections of instrument pages and settings pages
that can be customized and placed into custom categories.
Profiles can be made up of instrument pages that display similar
data, such as fuel data, or engine data.

Selecting a Profile

Select > Profiles > Select Profile.

1

Select a profile.

2

Renaming a Profile

Select > Profiles > Rename Profile.

1

Select or to scroll through the letters.

2

Select Select to select a letter.

3

Select Done.

4

Creating Custom Profiles

You can create up to three custom profiles. You can add up to
ten pages from multiple instrument collections to a custom
profile.

Select > Profiles > Select Profile.

1

Select Custom 1, Custom 2, or Custom 3.

2

Select a page.

3

Select an instrument or multiple instruments.

4

Select an option:

5

• To continue adding instrument pages to the custom
profile, select Yes.

• To complete the custom profile, select No.

Locking a Profile

You can lock a profile so no changes can be made to the data
fields, page layout, or number of pages that can display at one
time.

Select > Profiles > Lock Profile > Yes.

Unlocking a Profile

Select > Profiles > Unlock Profile > Yes.

Restoring Profiles to their Default Settings

You can restore unlocked profiles to their factory default
settings.

Select > Profiles > Reset Defaults.

1

Select Current Profile or All Profiles.

2

Select Yes.

3

Instrument Pages

Cycling Through Instrument Pages

From the Instrument page, select or .

Configuring the Data Fields

Data provided on an instrument page is can be shown in a
various ways depending upon the instrument page that is
displayed.

Select > Configure Data Fields.

Adding an Instrument Page

Select > Pages > Add Page.

1

Select an instrument page collection.

2

Select or to scroll through the instrument pages.

3

Select an instrument page to add.

4

If necessary, select Yes to add more instrument pages.

5

Removing an Instrument Page

Select > Pages > Remove Page.

1

Select a page to remove.

2

Select Yes.

3

Changing the Order of Instrument Pages

You can change the order of instrument pages.

Select > Pages > Reorder Pages.

1

Select an instrument page.

2

Select or to move the instrument page up or down in

3

the order.
Select Select to place the instrument page in the new

4

location in the order.

Device Configuration

System Settings

Select > Setup > System.
Units: Sets the units of measure.
Heading: Sets the reference used in calculating heading

information.

Beeper: Sets if and when audible sounds are used.
Auto Power: Enables the device to turn on automatically when

the NMEA 2000 network turns on.

Language: Sets the on-screen language.
Operating Mode: Sets the operating mode to normal or store

demo mode.

Fuel Capacity: Sets the maximum fuel capacity for your boat.

2

Time: Sets the time format, time zone, and daylight savings

time for your location.

Speed Sources: Sets the speed sources for fuel economy and

wind.

System Information: Displays software information.
Factory Defaults: Resets the device to factory defaults.

Display Settings

Select > Setup > Display.
Color Mode: Sets the device to display day or night colors.
Configure Colors: Sets the color configuration for each color

mode. For day color mode, you can select a full color or high
contrast color configuration. For night color mode, you can
select a full color, red and black, or green and black color
configuration.

Backlight: Sets the backlight brightness.
Network Sharing: Shares color mode, color configuration, and

backlight settings with devices across the NMEA 2000
network.

Alarm Settings

Select > System > Alarms.
Shallow Water: Sets an alarm to sound when the depth is less

than the specified value.

Deep Water: Sets an alarm to sound when the depth is greater

than the specified value.

Surface Temperature: Sets an alarm to sound when the

transducer reports a temperature that is 1.1°C (2°F) above or
below the specified temperature.

Total Fuel Onboard: Sets an alarm to sound when the fuel

remaining (based on fuel-flow information from a fuel sensor)
reaches the specified level.

Engine Status: Sets an alarm to sound when an engine

indicates there is a problem.

Apparent Wind Speed: Sets an alarm to sound when the

apparent wind speed is at, above, or below the specified
speed.

True Wind Speed: Sets an alarm to sound when the true wind

speed is at, above, or below the specified speed.

Apparent Wind Angle: Sets an alarm to sound when the

apparent wind angle is at, greater than, or less than the
specified angle.

True Wind Angle: Sets an alarm to sound when the true wind

angle is at, greater than, or less than the specified angle.

Unit Voltage: Sets an alarm to sound when the battery voltage

reaches the specified level.

Anchor Drag: Sets an alarm to sound if the boat moves a

specified distance away from the point at which the GPS
received the coordinates from where the anchor was
dropped.

Total Rode Onboard: Sets an alarm to sound when the anchor

is a specified distance away from the boat.

Anchor Docking Dist.: Sets an alarm to sound when the

nearest anchor dock is within a specified distance.

Viewing NMEA 2000 Settings

You can view information about NMEA 2000 devices and
change available device-specific options for the device.

Select > Setup > NMEA 2000 Devices.

1

Select an option:

2

• Select Device List to see view information about the
device, such as the software version and the serial
number.

• Select Label Devices to change the label of a device.

Registering Your Device

Help us better support you by completing our online registration
today.

• Go to http://my.garmin.com.

• Keep the original sales receipt, or a photocopy, in a safe
place.

3

www.garmin.com/support

913-397-8200
1-800-800-1020

[phone] [phone] [phone] + 331 55 69 33 99

[phone] + 39 02 36 699699

00800 4412 454
[phone]

Garmin International, Inc.

1200 East 151st Street

Olathe, Kansas 66062, USA

Garmin (Europe) Ltd.

Liberty House, Hounsdown Business Park

Southampton, Hampshire, SO40 9LR UK

Garmin Corporation

No. 68, Zhangshu 2nd Road, Xizhi Dist.

0808 238 0000
[phone]

+ 35 1214 447 460 + 34 93 275 44 97 + 46 7744 52020

1-866-429-9296 [phone]

0800 - 023 3937
035 - 539 3727

+ 47 815 69 555

Garmin® and the Garmin logo are trademarks of Garmin Ltd.
or its subsidiaries, registered in the USA and other countries.
GMI™ 20 is a trademark of Garmin Ltd. or its subsidiaries.
This trademark may not be used without the express
permission of Garmin.

NMEA®, NMEA 2000®, and the NMEA 2000 logo are
registered trademarks of the National Marine Electronics
Association.

New Taipei City, 221, Taiwan (R.O.C.)

© 2013 Garmin Ltd. or its subsidiaries