Physical, Electrical, Sonar – Garmin GSD 21 User Manual

Page 12: Data output

GSD 21 Sonar Module

NSTALLATION

NSTRUCTIONS

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