Garmin 520 User Guide

Page of 72
GPSMAP
®
 500 Series Owner’s Manual 
53
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Specifications
Physical Specifications
Size:  
6.4" H x 5.9" W x 2.9" D (16.3 cm x 15.0 cm x 7.4 cm)
Weight:  less than 1.75 lbs (0.8 kg)
Display:   GPSMAP 525/535/545/555: 5.0" diagonal (12.7 cm), Full  
 
 
VGA display with adjustable brightness, 640 x 480 pixels, capable  
 
 
of 4,096 colors. 
 
 
GPSMAP 520/530/540/550: 5.0" diagonal (12.7 cm), QVGA  
 
 
display with adjustable brightness, 320 x 240 pixels.
Case: 
Fully gasketed, high-impact plastic alloy, waterproof to  
 
 
IEC 529 IPX7 standards.
Temp. Range: 5ºF to 131ºF (-15ºC to 55º C)
Compass Safe Distance:    95 cm
Performance
Receiver: Differential-ready 12-parallel channel WAAS-capable receiver
Acquisition Times: 
 
Warm: Approx. 15 seconds 
 
Cold: Approx 45 seconds 
 
AutoLocate: Approx 2 minutes
Update Rate: 1/second, continuous
GPS Accuracy:  
 
Position: <49 feet (15 meters), 95% typical* 
 
Velocity: 0.05 meters/sec steady state
WAAS Accuracy: 
 
Position: <10 feet (3 meters), 95% typical* 
 
Velocity: 0.05 meters/sec steady rate 
 
Dynamics: 6gs
*  Subject to accuracy degredation to 100 m 2DRMS under the U.S.  
    DOD-imposed Selective Availability Program.
Power
Power Source: 10-35 VDC
Usage: 15 Watts max at 13.8 VDC
Fuse: AGC/3AG - 3.0 Amp
Sonar
Power:  1kW Transducer, 1,000 watts (RMS), 8,000 watts (peak to peak)*; 
 
Dual Frequency, 500 Watts (RMS), 4,000 Watts (peak to peak);  
  
Dual Beam, 400 Watts (RMS), 3,200 Watts (peak to peak)
Frequency: 50/200 kHz (dual frequency and 1kW), 80/200 kHz (dual beam)
Depth:  2,500 ft (762 M) (1kW), 1,500 ft (457 M) (dual frequency), 
 900 ft (274M) (dual beam)**
*  1kW transducers are supported by the GPSMAP 525s/535s/545s/555s units  
  only.
**  Depth capacity is dependent on water salinity, bottom type, and other water 
conditions.