Garmin GPSMAP 210 Chartplotter Manual

The Garmin GPSMAP 210 is a marine chartplotter featuring a high-resolution 5-inch display, built-in worldwide basemap, waterproof design (IPX7), NMEA 0183 interface, external antenna support, waypoint and route management, track plotting, and detailed chart plotting capabilities. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Navigation & Chartplotting 8. Waypoints & Routes 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 5-inch high-resolution display, Power/Data cable, External GPS antenna connector, NMEA 0183 interface, Waterproof housing, Mounting bracket.

FeatureDescription
Display5-inch, 256-color FSTN, sunlight readable
Waterproof RatingIPX7 (submersible 1 meter for 30 minutes)
GPS Receiver12 parallel channel, external antenna capable
Chart CompatibilitySupports Garmin BlueChart and MapSource
Waypoints1000 user waypoints with name and symbol
Routes50 reversible routes with up to 50 points each
Tracks10 saved tracks, 10,000 points total
InterfaceNMEA 0183 input/output
Power Input10-40 VDC, 1.5A max
MountingFlush or bracket mount included

Installation

Unpack and inspect contents. Choose mounting location carefully.

  1. Mount the unit: Select location with clear view; use template to mark holes; secure bracket.
  2. Connect power: Route power/data cable to 10-40 VDC source; observe polarity.
  3. Connect GPS antenna: Attach external antenna if required for optimal reception.
  4. Connect NMEA devices: Wire NMEA 0183 connections for data sharing.
  5. Secure all cables and apply waterproof sealant if needed.

WARNING! Ensure power is off during installation. Use appropriate marine-grade wiring and fuses.

First-Time Setup

Power on unit; follow initial setup prompts.

  1. Acquire GPS signal: Place unit with clear sky view; allow several minutes for first fix.
  2. Set language: Navigate to System Setup > Language.
  3. Set units: Configure nautical/statute miles, knots/MPH, depth units.
  4. Set time: Choose time zone and format (12/24 hour).
  5. Calibrate compass (if applicable): Follow on-screen instructions.
  6. Load charts: Insert compatible Garmin data card or connect to PC.

CAUTION! Ensure secure mounting before operating vessel.

Specifications

Controls and Settings

Front panel buttons: POWER, PAGE, ENTER, ROCKER key (up/down/left/right), QUIT, ZOOM IN/OUT.

Display Pages: Map, Highway, Navigation Data, Active Route, Trip Computer, Satellite Status.

System Setup: Language, Units, Time, Alarms, NMEA Settings, System Information. Navigation Setup: Route Preferences, Track Settings, Proximity Waypoints. Chart Setup: Detail Level, Chart Orientation (North Up/Course Up), Depth Shading, Waypoint Display.

Connecting Devices

NMEA 0183 devices: Connect to NMEA In/Out terminals. External GPS antenna: Use MCX connector. PC connection: Optional RS-232 cable for data transfer.

  1. Turn off power before making connections.
  2. Match NMEA wiring correctly (TX/RX, Ground).
  3. Use waterproof connectors for external connections.
  4. Test connections before final securing.

Tip: Keep cable runs as short as possible and away from engine ignition sources.

Navigation & Chartplotting

Basic navigation functions and chart display.

  1. View charts: Press PAGE to cycle to Map page.
  2. Zoom: Use ZOOM IN/OUT buttons or rocker key.
  3. Pan: Use rocker key to move around chart.
  4. Cursor control: Move cursor with rocker key; press ENTER to mark waypoint.
  5. Follow route: Select Go To or Follow Route from menu.
  6. Display data: Press PAGE to Navigation Data pages for speed, course, etc.
  7. Set alarms: Configure anchor drag, arrival, off-course alarms in Setup.

WARNING! Always maintain traditional navigation skills. GPS is an aid to navigation.

Waypoints & Routes

Creating and managing waypoints and routes.

  1. Mark waypoint: Position cursor and press ENTER > Mark Waypoint.
  2. Edit waypoint: Select waypoint from list > Edit > change name/symbol/position.
  3. Create route: Routes > New Route > Add points from waypoint list.
  4. Navigate route: Select route > Navigate.
  5. Reverse route: Select route > Reverse.
  6. Track recording: Setup > Tracks > Record Track.
  7. Save track: Save current track as Saved Track.

Note: Regularly backup waypoints and routes to PC or data card.

Care & Maintenance

Use soft, damp cloth for cleaning. Do not use harsh chemicals or abrasives.

CAUTION! Ensure unit is powered off before cleaning. Do not spray liquids directly on unit. Store in dry place when not in use for extended periods.

Regulatory Information

FCC Compliance: This device complies with Part 15 of FCC rules. Operation subject to conditions: (1) device must not cause harmful interference, (2) device must accept any interference received. This product contains technology owned by Garmin Ltd. For support, visit www.garmin.com or contact Garmin Product Support. Copyright © Garmin Ltd. All rights reserved.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower connectionCheck fuse, wiring, voltage at unit; ensure proper polarity.
Poor GPS receptionAntenna obstructionEnsure clear view of sky; check antenna connection; relocate if needed.
No chart displayData card/formatEnsure compatible chart card is inserted properly; check card format.
Inaccurate positionPoor satellite geometryWait for better satellite coverage; ensure current almanac.
NMEA data not sharingWiring/baud rateCheck NMEA wiring; verify baud rate matches connected device.
Display unreadableContrast/brightnessAdjust contrast in display settings; check for sunlight glare.

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

Service: Contact Garmin Product Support or authorized service center.

Garmin GPSMAP 210 Chartplotter Manual © - All Rights Reserved 2025