Garmin GPSMAP 182/182C Manual

The Garmin GPSMAP 182/182C is a color marine chartplotter featuring a high-resolution display, built-in worldwide basemap, detailed marine cartography compatibility, waterproof construction (IPX7), NMEA 0183 interface, external antenna capability, waypoint and route management, track logging, and fishfinder compatibility. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: High-resolution LCD display (color on 182C), Waterproof casing, Power/data cable, External antenna port, NMEA 0183 interface, Cartridge slot for map data.

Installation

Unpack and inspect contents. Select mounting location with clear view of sky.

1. Mount unit: Use included bracket; secure to flat surface using appropriate marine hardware.
2. Connect power: Route power/data cable to 12-24V DC source; connect red to positive, black to negative.
3. Connect antenna: Attach external GPS antenna if using (optional for improved reception).
4. Connect NMEA devices: Wire NMEA 0183 leads to compatible autopilot or instruments.
5. Install map data: Insert compatible data card into cartridge slot.

WARNING! Ensure all connections are waterproofed. Route cables away from high heat and moving parts.

First-Time Setup

Power on unit; follow initial prompts.

1. Acquire GPS signal: Place unit with clear sky view; allow several minutes for first fix.
2. Set preferences: Use MENU > Setup to configure units (nautical/statute), time format, north reference.
3. Calibrate compass (if applicable): Follow on-screen instructions.
4. Load charts: Insert data card; unit will automatically detect compatible charts.
5. Set initial waypoints: Mark current position or enter coordinates manually.

CAUTION! Ensure secure mounting before operating vessel.

Specifications

• Display Size: 5-inch diagonal.
• Display Type: FSTN LCD (182), Color TFT (182C).
• Resolution: 320 x 240 pixels.
• Waterproof Standard: IPX7.
• Power Requirements: 12-24V DC, 1.5A max.
• Waypoints: 3000 with name and symbol.
• Routes: 50 reversible routes with up to 50 points each.
• Track Log: 10,000 points, 10 saved tracks.
• Interface: NMEA 0183 input/output.
• Operating Temp: -15°C to 70°C.
• GPS Receiver: 12 parallel channel.

Controls and Settings

Front Panel: POWER, PAGE, ROCKER key (up/down/left/right/ENTER), MENU, ZOOM IN/OUT, BACKLIGHT.

On-Screen Controls: Cursor control, Waypoint creation, Route planning, Track management.

Setup Menu: Units (Distance, Speed, Depth, Temperature), Time (Format, Time Zone), Alarms (Anchor, Arrival, Off Course), System (Backlight, Contrast, Beeper, Language). Navigation Menu: Waypoint List, Route List, Track Log, Find (Waypoints, Cities, Intersections). Chart Menu: Chart Setup (Detail, Shallow/Deep Water), Overlay Data (Waypoints, Tracks, Routes).

Connecting Devices

NMEA 0183: Connect to autopilots, instruments, AIS. External Antenna: GA 29 for improved reception. Fishfinder: Compatible Garmin sounder modules.

1. Turn off power before making connections.
2. Use marine-grade connectors and seal against moisture.
3. Follow NMEA wiring diagram: TX/RX to corresponding device pins.
4. Test connections before finalizing installation.

Tip: Keep NMEA cable runs as short as possible to avoid signal degradation.

Navigation Operations

Basic navigation functions and waypoint management.

1. Mark waypoint: Press ENTER at desired location or use MARK function.
2. Go to waypoint: Select waypoint from list, choose GOTO.
3. Create route: MENU > Route > New Route, add waypoints in sequence.
4. Follow route: Select route, choose NAVIGATE.
5. Track recording: Automatically logs track; can save and navigate back.
6. Man overboard: Quick function to mark and navigate to MOB position.
7. Zoom: Use ZOOM keys to change chart scale.
8. Cursor control: Use rocker key to move cursor for information lookup.

WARNING! GPS is an aid to navigation. Always maintain proper lookout and use official charts.

Chartplotter Features

Advanced chart display and data management.

Chart Display: Select detail level, show/hide data layers, set safe depth contours. Data Overlays: Display waypoints, routes, tracks, tide stations, currents. Find Feature: Search for waypoints, cities, intersections, services (marinas, fuel). Tidal Information: Display tide stations and predictions (with compatible data). Alarm Functions: Anchor drag, Arrival, Off course, Depth, Timer.

Care & Cleaning

Disconnect power before cleaning. Use fresh water and mild soap with soft cloth. Rinse after saltwater exposure.

CAUTION! Do not use harsh chemicals, abrasives, or high-pressure spray. Avoid direct sunlight when not in use.

Regulatory Information

FCC Compliance: This device complies with Part 15 of FCC rules. Marine Use: Designed for marine navigation. Copyright © Garmin Ltd. or its subsidiaries. For support, visit www.garmin.com or contact Garmin Product Support. Software may be subject to export controls.

Troubleshooting

Reset: Press and hold PAGE + POWER during startup for system reset (waypoints preserved).

Service: Contact Garmin Product Support or authorized service center.