Garmin GNX 21 Marine Instrument Owner s Manual - Page 1

Garmin GNX 21 Marine Instrument Manual

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GNX™ 20/21 Owner's Manual February 2014 190-01659-00_0B Printed in Taiwan

Section	Page
Table of Contents	3
Introduction	5
Device Configuration	5
Using the Race Timer	5
Profiles	5
Selecting a Profile	5
Restoring Profiles to their Default Settings	5
Instrument Pages	5
Cycling Through Instrument Pages	5
Using Auto Scroll	5
Configuring the Data Fields	5
Configuring Graph Data Fields	5
Changing the Layout of Instrument Pages	5
Adding an Instrument Page	6
Removing an Instrument Page	6
Device Configuration	6
Resolving a Combined Network	6
System Settings	6
Selecting the Heading Type	6
Configuring the Beeper	6
Configuring the Position Format	6
Configuring Data Sources	6
Display Settings	6
Viewing and Editing NMEA Settings	6
NMEA 0183 Data Type Information	7
Registering Your Device	7
Appendix	7
Data Fields	7

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GNX

™

20/21

Owner’s Manual

February 2014

190-01659-00_0B

Printed in Taiwan