Samyung Srg-1150dn Installation Manual Link

| Problem | Possible solution | |---------|------------------| | No power | Check fuse, wiring, and DC voltage at red/black | | No position | Check sky view, wait longer, move away from radar | | No data on display | Verify NMEA sentence selection & baud rate match | | Intermittent signal | Check cable connectors for corrosion or loose pins |

Critical: The SRG-1150DN uses 10–35V DC (12V or 24V systems). samyung srg-1150dn installation manual

| Wire Color | Connection | |------------|-------------| | Red | Positive (+) battery or distribution panel | | Black | Negative (-) battery or common ground | Enter your vessel’s 9-digit MMSI number exactly as

Warning: This is a one-time programmable step in most DSC radios. You typically have 1-2 attempts. Enter your vessel’s 9-digit MMSI number exactly as issued by your country’s telecom authority. Refer to the manual’s "MMSI Input" section (usually hidden in the menu under [SETUP] > [DSC] > [MMSI]). [MMSI]). Without a valid MMSI

Without a valid MMSI, DSC functions (individual calls, position polling, distress alerts) are disabled.