Physical, Electrical, Sonar – Garmin GSD 21 User Manual
Page 12: Data output
10
GSD 21 Sonar Module
I
NSTALLATION
I
NSTRUCTIONS
S
PECIFICATIONS
Physical
Size:
6.75" L x 4.75" W x 2.00" H
(17.2 cm x 12.1 cm x 5.1 cm)
Weight:
1.5 lbs. (.680Kg)
Case:
Fully gasketed, high-impact plastic and aluminum alloy, waterproof to IEC 529-IPX-7
Temp Range: 5°F to 158°F (-15°C to 70°C)
Electrical
Source:
10-35 Vdc
Usage:
18 watts max.
Fuse:
AGC/3AG - 2.0 Amp
Steering Compass Safe Distance: 3.95" (10.00 cm)
Sonar
Sounder Power: 500 watts (RMS) dual frequency, 400 watts (RMS) dual beam
4,000 watts (peak to peak)
Frequency: 50/200 kHz dual frequency,
80/200 kHz dual beam
Depth:
1,500 foot max depth* dual frequency,
900 foot max depth* dual beam
* Depth capacity is dependent on water salinity, bottom type, and other water conditions.
Data Output
Source:
Proprietary Garmin data format over CANet or Serial