| Wire color (typical) | Connection | |----------------------|-------------| | Red | DC positive (+10 to +36V) | | Black | DC negative (ground) |
On the main screen, look for a "GPS" or "LAT/LON" icon. If flashing, re-check NMEA wiring and baud rate. No valid position = no automatic position in a distress message.
Always keep the physical manual on the bridge. While digital PDF versions are available, having a hard copy is invaluable when your electronics go down and you need a wiring diagram immediately.
💡 Tip: If sharing power with other electronics, use a noise filter to prevent interference.
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