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Diplotop - product comparison - gathers GARMIN GPSMAP 421 users reviews, tests and opinions.With a data base of unprecedented wealth, 83 reviews for the GPS GARMIN GPSMAP 421, Diplotop compares the GPS GARMIN GPSMAP 421 with its competitors in order to find the best.

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GARMIN GPSMAP 421 Reviews

On average, its users find the user-friendliness of the GARMIN GPSMAP 421 reasonable.The find it doesn't really stand out for its reliability nor its sturdiness., However their opinions are divided. If you want to make sure that the GARMIN GPSMAP 421 is the solution to your problems, make the most of the help and assistance of other Diplofix users.

Its users find it fairly efficient., But they are not unanimous. They find that it is very cheap You'll find the answers to all your questions on the GARMIN GPSMAP 421 in the user manual (information, specifications, safety advice, size, accessories, etc.)
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Manual abstract:
See "Initializing Unit Settings. " To turn off the unit, press and hold the Power key. Initializing Unit Settings 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 Off. (This option is only available the first time the unit is turned on. ) welcome--select OK. 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 None for NMEa devices)--Select yes 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. Home Screen Time format--specify whether you want the time shown in a 12-hour, 24-hour, or UTC (Universal Time Coordinated) format. 2 GPSMAP 400/500 Series Owner's Manual Getting Started Time Zone--set the time zone you want displayed for time readings. If auto is selected for the Time Zone, the DST option is not available and is automatically set to auto. System Units--specify units for on-screen measurements as Statute, Metric, or Nautical, or select Custom to individually define units of measure for depth, temperature, distance, speed, elevation, volume, and pressure. Minimum Safe depth--select the minimum safe depth for your boat. Refer to your boat specifications for more information. Shallow water alarm--only available if you are receiving NMEA sonar depth data. Select yes or No. Minimum Overhead Clearance--select the minimum overhead clearance for your boat. Refer to your boat specifications for more information. aiS alarm Range--select the distance at which an alarm will sound if an AIS vessel nears your boat (page 55)...

Ease of use
The users were asked the following question :

Is the GPSMAP 421 easy to use?

83 users answered questions and rated the product on a scale of 0 to 10. The rating is 10/10 if the GARMIN GPSMAP 421 is very user-friendly.

The reviews (rough results) are presented in the following graph :

102491341316714
012345678910

By leaving the mouse on a column for a few seconds, you can see the number of people who voted to make up the score that appears in the horizontal axis.

Statistical data :

= 6.78
= 2.37

The average score balanced by the number of reviews is 6.78 and the standard differential is 2.37.
High-performance
The users were asked the following question :

Is the GPSMAP 421 highly efficient?

83 users answered questions and rated the product on a scale of 0 to 10. The rating is 10/10 if the GARMIN GPSMAP 421 is, in its domain, the best on a technical level, the one offering the best quality, or offering the largest range of options.

The reviews (rough results) are presented in the following graph :

02111012710151015
012345678910

By leaving the mouse on a column for a few seconds, you can see the number of people who voted to make up the score that appears in the horizontal axis.

Statistical data :

= 6.98
= 2.32

The average score balanced by the number of reviews is 6.98 and the standard differential is 2.32.
Reliability
The users were asked the following question :

Is the GPSMAP 421 reliable, sturdy?

83 users answered questions and rated the product on a scale of 0 to 10. The rating is 10/10 if you think that the GARMIN GPSMAP 421 is a sturdy product, which will last a long time before breaking down.

The reviews (rough results) are presented in the following graph :

002371181116619
012345678910

By leaving the mouse on a column for a few seconds, you can see the number of people who voted to make up the score that appears in the horizontal axis.

Statistical data :

= 7.14
= 2.26

The average score balanced by the number of reviews is 7.14 and the standard differential is 2.26.
Value for money
The users were asked the following question :

Is the GPSMAP 421 good value for money?

83 users answered questions and rated the product on a scale of 0 to 10. The rating is 10/10 if you think that the GARMIN GPSMAP 421 is really not expensive considering its features.

The reviews (rough results) are presented in the following graph :

1013610513141119
012345678910

By leaving the mouse on a column for a few seconds, you can see the number of people who voted to make up the score that appears in the horizontal axis.

Statistical data :

= 7.31
= 2.31

The average score balanced by the number of reviews is 7.31 and the standard differential is 2.31.

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