Lowrance M52i S/GPS Addendum I Additional Instructions

About this manual

This document serves as an addendum to the main manual (part number 988-0152-001) for the Lowrance M52i sonar/GPS unit. It specifically details how to connect data cables and set up the communications port for NMEA 0183 output, allowing the unit to send position data to compatible marine electronics like VHF radios.

What's inside

• NMEA 0183 Data Cable Connections
• Wiring Diagram A (Uniden)
• Wiring Diagram B (RS-232)
• Com Port Configuration
• Setting Baud Rate
• Activating NMEA Output
• Configure NMEA Sentences

Specifications

Frequently asked questions

How do I connect to a Uniden VHF radio?

Connect the radio's NMEA Wire to the M52i data cable's yellow wire and the Ground/Shield wire to the black shield wire.

How do I connect to a true RS-232 device?

Remove the Uniden adapter segment from the end of the M52i data cable before connecting.

How do I activate NMEA Output?

Navigate to System Setup > Com Port, highlight 'NMEA Output', and press ENT to check (turn on) the box.