The SRG-1150DN requires an RF ground, not just a DC ground. Without it, you will experience:
Best practice: Connect the ground lug on the rear of the transceiver to copper strapping or a large copper plate bonded to the hull’s ground (for steel ships) or a dedicated RF ground plate (for fiberglass vessels). samyung srg-1150dn installation manual
Draft for reference only
Critical: The SRG-1150DN uses 10–35V DC (12V or 24V systems). The SRG-1150DN requires an RF ground , not just a DC ground
| Wire Color | Connection | |------------|-------------| | Red | Positive (+) battery or distribution panel | | Black | Negative (-) battery or common ground | Best practice: Connect the ground lug on the
The red DISTRESS button must be protected by a cover or require a long press (typically 5-6 seconds). Physically verify that a short press does NOT trigger an alert. The manual details how to adjust the activation delay (do not disable this safety feature).
Product Type: Marine GPS Chartplotter / Sounder Combo Purpose: This guide covers hardware mounting, power connection, transducer installation, and initial setup for the Samyung SRG-1150DN.