Installation guide for Garmin GPSMAP 500/700 and echoMAP 50/70 series with safety, mounting, wiring and NMEA connection instructions.
This guide provides safety warnings, required tools, and step‑by‑step instructions for installing Garmin GPSMAP 500/700 and echoMAP 50/70 chartplotters on a vessel. It covers both bracket‑type and embedded installations, including optional flat‑mount kits and the use of marine‑grade sealants.
Detailed wiring information is included for power, NMEA 0183, and NMEA 2000 connections, as well as guidance on connecting external GPS antennas, radar, and alarm devices. The document also lists the physical and electrical specifications for the 5‑inch and 7‑inch models and explains how to update the device software via a memory card. This manual is written in Chinese.
| 5‑inch model dimensions (W×H×D) | 155 × 151 × 61 mm |
|---|---|
| 5‑inch model weight | 779 g |
| 7‑inch model dimensions (W×H×D) | 230 × 143 × 58 mm |
| 7‑inch model weight | 1.048 kg |
| Operating temperature range | -15 °C to 55 °C |
| Input voltage range | 10–32 V DC |
| Required fuse | 3 A fast‑acting |
| Maximum power consumption (10 V DC) | 27 W |
| Typical current draw (12 V DC) – 5‑inch | 450 mA |
| Maximum current draw (12 V DC) – 5‑inch | 2.7 A |
| Compass safety distance – 5‑inch | 450 mm |
| Compass safety distance – 7‑inch | 600 mm |
| NMEA 2000 power consumption (max) | 100 mA |
A 3 A fast‑acting fuse is required as specified in the product specifications.
The devices can operate from –15 °C up to 55 °C.
It accepts an input voltage of 10 V to 32 V DC.
The device includes two built‑in NMEA 0183 ports.