Garmin GPSMAP 421s 010-00764-01 Manuale Utente

Getting Started

To turn on the unit, press and release the   

 key. When the 

Warning screen appears, select 

 to view the Home screen.

NOTE: The first time you turn on your unit, you must configure the 

initial settings. See “Initializing Unit Settings.”
To turn off the unit, press and hold the   

 key.

The first time you turn on your unit, you must configure the initial 

settings.
NOTE: You can change these settings later using the Configure 

screen (

page 5)

.

Language—select the language to display on the screen.
Store demonstration—select 

. (This option is only available the 

first time the unit is turned on.)
welcome—select 

.

NMEa devices—if you have NMEA 0183 devices connected to a 

serial port, specify which ports are connected.
aiS Receiver (not available if you select 

 for NMEa 

devices)—Select 

 if one of the devices connected to a serial port 

is an AIS (Automatic Identification System) receiver.
Position format—specify the coordinate system to use for location 

readings.
Time format—specify whether you want the time shown in a 

12-hour, 24-hour, or UTC

(Universal Time Coordinated) format.