Garmin GNX 21 Manuale d'uso - Pagina 5

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Introduction

See the Important Safety and Product Information guide in the

product box for product warnings and other important

information.

Device Configuration

NOTE: Certain functions are available only when the

appropriate sensors are connected to the device.

The GNX 20 Marine Instrument with Standard LCD or the GNX

21 Marine Instrument with Inverted LCD allows you to view data

provided by sensors connected to the device using a NMEA

2000 ® or NMEA ® 0183 network.

Select to return to the previous menu or to the instrument

page.

Select to view the menu for an instrument page.

Select to scroll through instrument pages and menus.

Select to view the display settings.

Select twice to view backlight settings.

Hold to view the power off settings.

Using the Race Timer

You can use the race timer to count down to a race, and then

measure the duration of the race. You can add the race timer as

a data field on a page.

TIP: To quickly open the race timer screen, hold

page.

From a page with the race timer active, select

CONFIGURE DATA FIELDS > RACE TIMER SETTINGS.

Select an option:

• When the device is in prerace mode and is stopped or

running, select RESET, START, or SETUP.

• When the device is in prerace mode and is running, sync

the timer to the next minute up or the next minute down,

or select STOP.

• When the device is in race mode and the race timer is

counting up, sync the timer back to 0:00, or select STOP.

Profiles

Profiles are collections of instrument pages that can be

customized. Profiles can be made up of instrument pages that

display similar data, such as GPS speed information and GPS

course information.

Introduction

WARNING

from a main

During the initial setup, you can select a preset profile, or you

can create a custom profile. You can select a different profile at

any time.

POWERBOAT: This profile displays instruments useful when in

a powerboat. Available default instruments include GPS

speed information, GPS course information, depth, bearing

to waypoint, distance to the next waypoint, and water

temperature.

SAIL CRUISE: This profile displays instruments useful when

cruising in a sailboat. Available default instruments include

true wind speed, GPS speed information, GPS course

information, bearing to waypoint, distance to the next

waypoint, true wind angle, and depth.

SAIL RACE: This profile displays instruments useful when

racing in a sailboat. Available default instruments include

GPS speed information, true wind speed, true wind angle,

heading, bearing to waypoint, and distance to the next

waypoint.

CUSTOM: This profile allows you to customize the page to

display instruments useful to your specific boating needs.

The default page displays speed over ground information.

Selecting a Profile

Select

> SETUP > PROFILES.

Select a profile.

Restoring Profiles to their Default Settings

You can restore profiles to their factory default settings.

Select

> SETUP > PROFILES > RESET DEFAULTS.

Select CURRENT PROFILE or ALL PROFILES.

Instrument Pages

Cycling Through Instrument Pages

From the home page, select

Using Auto Scroll

You can use auto scroll to automatically cycle through all of the

instrument pages.

Select

Select SETUP > AUTO SCROLL.

Select how long each instrument page displays.

Configuring the Data Fields

Data provided on an instrument page can be shown in various

ways depending upon the instrument page that is displayed.

Select

> CONFIGURE DATA FIELDS.

Configuring Graph Data Fields

Some instrument pages display graph data. You can configure

the data that displays on the graphs.

From the instrument page, select

FIELDS > GRAPH SETTINGS.

Select an option:

• To determine how long the graph data displays, select

GRAPH DURATION.

• To configure the scale of values displayed in the graph,

select GRAPH 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

three instruments from any category.

> CONFIGURE DATA