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Diplotop - product comparison - gathers GARMIN GPSMAP 521S users reviews, tests and opinions.With a data base of unprecedented wealth, 79 reviews for the GPS GARMIN GPSMAP 521S, Diplotop compares the GPS GARMIN GPSMAP 521S with its competitors in order to find the best.

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GARMIN GPSMAP 521S Reviews

Its users find the GARMIN GPSMAP 521S very user-friendly.They think that is very reliable., They nearly all agree on this point. If you have a problem, or need help, the Diplofix forum can help you choose between the GARMIN GPSMAP 521S and another product.

On average, its users find it much more efficient that its competitors., But their opinions differ slightly. They give it a good score for its value for money You won't get any unpleasant surprises if you look at the instructions in the GARMIN GPSMAP 521S user manual before buying.
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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 521S easy to use?

79 users answered questions and rated the product on a scale of 0 to 10. The rating is 10/10 if the GARMIN GPSMAP 521S is very user-friendly.

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

000156614141320
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 :

= 7.80
= 1.91

The average score balanced by the number of reviews is 7.8 and the standard differential is 1.91.
High-performance
The users were asked the following question :

Is the GPSMAP 521S highly efficient?

79 users answered questions and rated the product on a scale of 0 to 10. The rating is 10/10 if the GARMIN GPSMAP 521S 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 :

10024559111923
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 :

= 7.96
= 2.14

The average score balanced by the number of reviews is 7.96 and the standard differential is 2.14.
Reliability
The users were asked the following question :

Is the GPSMAP 521S reliable, sturdy?

79 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 521S is a sturdy product, which will last a long time before breaking down.

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

001122612141625
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 :

= 8.22
= 1.81

The average score balanced by the number of reviews is 8.22 and the standard differential is 1.81.
Value for money
The users were asked the following question :

Is the GPSMAP 521S good value for money?

79 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 521S is really not expensive considering its features.

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

410115712131322
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 :

= 7.59
= 2.56

The average score balanced by the number of reviews is 7.59 and the standard differential is 2.56.

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