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GPSmap 420s
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GPSmap 520s
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GPSmap 525s
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Unit dimensions
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5.7"W x 5.0"H x 2.9"D |
6.4"W x 5.9"H x 2.9"D |
6.4"W x 5.9"H x 2.9"D |
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Display size |
4.0" diag (102mm) |
5.0" diag (127mm) |
6.4"diag (127mm) |
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Display Type
|
256 + Colour QVGA Sunlight Readable |
256 + Colour QVGA Sunlight Readable |
256 + Colour QVGA Sunlight Readable |
|
Display Resolution |
240 x 320 |
240 x 320 |
640 x 480 |
|
Fish Alarms |
yes |
yes |
yes |
|
Shallow/Deep Water Alarm |
yes |
yes |
yes |
|
Waterproof Standard |
IPX7 |
IPX7 |
IPX7 |
|
Whiteline |
yes |
yes |
yes |
|
Blacklit Display |
yes |
yes |
yes |
|
UltraScroll high-reo-rate sonar |
yes |
yes |
yes |
|
Dual Frequency Sonar |
yes |
yes |
yes |
|
Dual Beam Sonar |
yes |
yes |
yes |
|
AutoGain Technology |
yes |
yes |
yes |
|
Voltage Range |
10 - 35 |
10 - 35 |
10 - 35 |
|
Maximum Depth (Sounders/Fishfinders) |
1500ft |
1500ft |
2000ft |
|
Fish Symbol ID |
yes |
yes |
yes |
|
Cone Angel (Sounders/Fishfinders) |
14 or 45 deg (Dual Beam) |
14 or 45 deg (Dual Beam) |
14 or 45 deg (Dual Beam) |
|
Depth Display |
yes |
yes |
yes |
|
Temperature Display (dependant on transducer) |
yes |
yes |
yes |
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Speed Through Water (dependant on transducer) |
yes |
yes |
yes |
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Depth Controlled Gain |
yes |
yes |
yes |
|
See-Thru Technology |
yes |
yes |
yes |
|
Sonar Power Output (max) |
500 W (RMS)4000 W (peak to peak) |
500 W (RMS)4000 W (peak to peak) |
500 W (RMS)4000 W (peak to peak) |
|
Split Screen Sonar/GPS |
yes |
yes |
yes |
|
Water Temprature Log |
yes |
yes |
yes |
|
CANet Compatible |
yes |
yes |
yes |
|
NMEA Compatible (0183) |
yes |
yes |
yes |
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