Garmin GSD 24 Digital Black Box Network Sounder [010-00957-00] Category_Shore Power The Auto Guidance feature¹ uses

The Auto Guidance feature¹ uses your desired depth and overhead clearance to calculate a route and a suggested path to follow

Armrests: Yes

Then you can sync  your data from the cloud to your TZtouch3 system

The Alarm Module mounts in a standard electric box or or can be flush mounted on any surface

Garmin GSD 24 Digital Black Box Network Sounder [010-00957-00] Category_Shore Power The Auto Guidance feature¹ usesGSD 24 Digital Black Box Network Sounder The GSD 24 features a vastly improved digital sonar design for superior target definition and deep water performance. Get the Whole Picture With up to 2,000 Watts of transmit power and a high dynamic range receiver, the GSD 24 brings high definition imaging to your compatible Garmin chartplotter. The system is dual frequency (50 200 kHz) capable and offers selectable transmit power (600 W, 1 kW and 2 kW,