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Configuring Graph Data Fields

Some instrument pages display graph data. You can configure 

the data that displays on the graphs.

1

From the instrument page, select 

 > 

Configure Data 

Fields

.

2

Select an option:
• To view the data as a number instead of a graph, select 

Show Number

.

• To change the type of data shown on the graph, select 

Graph Data

.

• To determine how long the graph data displays, select 

Graph Duration

.

• To configure the scale of values that display on the graph, 

select 

Graph Scale

.

• To reset the graph scale to the default values, select 

Reset Scale

.

Changing the Layout of Instrument Pages

NOTE: 

Instrument page layout can be changed only on pages 

that display more than one instrument.
You can change the layout of instrument pages to display up to 

four instruments from any category.

1

Select 

 > 

Change Page Layout

.

2

Select the number of instrument screens to view at the same 

time.

3

Select 

Change

 to change the instrument.

4

Select a category.

5

Select an instrument.

6

If necessary, select a data style.

7

Select 

Done

.

Adding an Instrument Page

1

Select 

 > 

Pages

 > 

Add Page

.

2

Select an instrument page collection.

3

Select 

 or   to scroll through the instrument pages.

4

Select an instrument page to add.

5

If necessary, select 

Yes

 to add more instrument pages.

Removing an Instrument Page

1

Select 

 > 

Pages

 > 

Remove Page

.

2

Select a page to remove.

3

Select 

Yes

.

Changing the Order of Instrument Pages

You can change the order of instrument pages.

1

Select 

 > 

Pages

 > 

Reorder Pages

.

2

Select an instrument page.

3

Select 

 or   to move the instrument page up or down in 

the order.

4

Select 

Select

 to place the instrument page in the new 

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.

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.

Selecting the Heading Type

1

Select 

 > 

Setup

 > 

System

 > 

Heading

.

2

Select an option:
• To automatically set the magnetic declination for your 

GPS position, select 

Auto Magnetic

.

• To set true north as the heading reference, select 

True

.

• To set the magnetic variation value, select 

User 

Magnetic

.

Configuring the Beeper

1

Select 

 > 

Setup

 > 

System

 > 

Beeper

.

2

Select an option:
• To turn off the beeper, select 

Off

.

• To set the beeper to sound only when alarms are 

triggered, select 

Alarms Only

.

• To set the beeper to sound when the keys are pressed 

and alarms are triggered, select 

On (Keys & Alarms)

.

Enabling Pop-Ups

NOTE: 

You can select a pop-up duration between 1 and 10 

seconds.
Pop-ups inform you when engine trim and trim tabs have 

changed by a specific threshold.

1

Select 

 > 

Setup

 > 

Pop-Ups

.

2

Select a pop-up.

3

Select a pop-up duration.

Customizing Gauge Limits

You can configure the upper and lower limits and the range of 

standard operation of a gauge. When a value exceeds the 

range of standard operation, the gauge becomes red.

NOTE: 

Not all options are available for all gauges.

1

Select 

 > 

Setup

 > 

Set Gauge Limits 

.

2

Select a gauge.

3

Select an option:
• To set the minimum value of the standard operating 

range, select 

Rated Min.

.

• To set the maximum value of the standard operating 

range, select 

Rated Max.

.

• To set the lower limit of the gauge lower than the rated 

minimum, select 

Scale Min.

.

• To set the upper limit of the gauge higher than the rated 

maximum, select 

Scale Max.

.

4

Select the limit value.

5

Repeat steps 3 and 4 to set additional gauge limits.

6

If applicable, select 

Yes

 to share the gauge limit settings 

across all Garmin® devices on the network.

2

Device Configuration

Summary of Contents for GMI 20

Page 1: ...GMI 20 Owner s Manual May 2013 190 01609 00_0A Printed in Taiwan ...

Page 2: ...tion of such changes or improvements Go to www garmin com for current updates and supplemental information concerning the use of this product Garmin and the Garmin logo are trademarks of Garmin Ltd or its subsidiaries registered in the USA and other countries GMI is a trademark of Garmin Ltd or its subsidiaries This trademark may not be used without the express permission of Garmin NMEA NMEA 2000 ...

Page 3: ...ment Pages 1 Cycling Through Instrument Pages 1 Configuring the Data Fields 1 Changing the Layout of Instrument Pages 2 Adding an Instrument Page 2 Removing an Instrument Page 2 Changing the Order of Instrument Pages 2 Device Configuration 2 System Settings 2 Display Settings 3 Alarm Settings 3 Viewing NMEA 2000 Settings 3 NMEA 2000 Data Type Information 3 Registering Your Device 3 Index 4 Table o...

Page 4: ......

Page 5: ... pressure and coolant pressure Fuel information includes fuel flow rate fuel tank level estimated total fuel onboard fuel pressure fuel economy and cruising range Custom 1 2 3 Empty profiles that allow you to build a new custom profile Custom profiles do not contain any preset instrument pages Selecting a Profile 1 Select Profiles Select Profile 2 Select a profile Renaming a Profile 1 Select Profi...

Page 6: ...ly 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 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 Facto...

Page 7: ...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 Win...

Page 8: ...el alarm 3 G gauges limits 2 H heading heading type 2 I instruments 2 adding pages 2 configuration 1 2 page order 2 removing pages 2 M marine alarms setup 3 N NMEA 2000 3 P position format 3 product registration 3 profiles 1 custom 1 locking 1 renaming 1 restoring 1 selecting 1 unlocking 1 R registering the device 3 restoring settings 3 S settings 2 3 system information 2 4 Index ...

Page 9: ......

Page 10: ...99 0800 023 3937 035 539 3727 47 815 69 555 00800 4412 454 44 2380 662 915 35 1214 447 460 34 93 275 44 97 46 7744 52020 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 New Taipei City 221 Taiwan R O C 2013 Garmin Ltd or its subsidi...

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