Garmin GPSMAP 441s Manual

The Garmin GPSMAP 441s is a 4-inch waterproof marine chartplotter with built-in BlueChart g2 U.S. coastal charts, high-sensitivity GPS receiver, sunlight-readable display, and support for sonar (with optional transducer). It features detailed mapping, waypoint management, route planning, and compatibility with various marine networks. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 4-inch sunlight-readable display, GPS antenna, Power/data cable, Mounting hardware, Waterproof housing (IPX7).

Installation

Unpack and inspect contents. Choose mounting location carefully.

1. Mount the bracket: Select a flat, sturdy surface on helm. Use included hardware to secure bracket.
2. Connect power: Route power/data cable to 10-32 V DC source. Connect red wire to positive, black to negative.
3. Install unit: Slide chartplotter onto bracket until it clicks into place.
4. Connect optional devices: For sonar, connect GSD 22 module. For NMEA devices, connect to appropriate wires.

WARNING! Ensure power is off during installation. Drill holes carefully to avoid damaging vessel structure.

First-Time Setup

Power on unit; follow initial prompts.

1. Acquire GPS signal: Place unit in open sky view; wait for "GPS Ready" message.
2. Set language: In System Settings, select ENGLISH (default).
3. Configure units: Set distance, speed, depth, and temperature units (nautical/statute).
4. Calibrate sensors: If connected, calibrate compass and water speed sensor.
5. Set time: Choose automatic GPS time or set manually.

CAUTION! Do not operate while driving boat during initial setup. Ensure secure mounting.

Specifications

• Display Size: 4 inches diagonal.
• Display Resolution: 320 x 240 pixels.
• Waterproof Standard: IPX7.
• GPS: High-sensitivity, WAAS enabled.
• Charts: Built-in BlueChart g2 U.S. coastal charts.
• Waypoints: 3000.
• Routes: 50 routes, 250 points per route.
• Tracks: 10,000 points.
• Power: 10-32 V DC, 1.5 A max.
• Operating Temp: -15°C to 55°C (5°F to 131°F).
• Dimensions: 14.2 x 10.4 x 5.6 cm (5.6" x 4.1" x 2.2").

Controls and Settings

Access menus via PAGE and MENU buttons. Front Panel: POWER, PAGE, MENU, ROCKER (up/down/left/right/ENTER).

Key Functions: PAGE cycles through display pages (Chart, Sonar, Compass, Highway). MENU accesses context-sensitive options. ROCKER navigates menus and moves cursor.

Settings Categories: System (Language, Units, Time), Navigation (Route Preferences, Alarms), Chart (Detail, Orientation, Tides), Sonar (Setup, Alarms), Communications (NMEA Settings).

Connecting Devices

Power: Red/black wires to DC source. NMEA 0183: Connect to TX/RX wires. NMEA 2000: Use appropriate cable to network. Sonar: Connect GSD 22 module to power and transducer.

1. Turn off power before making connections.
2. Use waterproof connectors for all external wiring.
3. Route cables away from engine interference and sharp edges.
4. Secure cables with ties to prevent movement.

Tip: Test all connections before final cable management.

Using Navigation Features

Create and follow waypoints, routes, and tracks.

1. Mark waypoint: Press ENTER at desired location, select "Mark Waypoint," edit details if needed.
2. Create route: MENU > Route > New Route. Use rocker to select points, press ENTER to add.
3. Navigate to waypoint: Select waypoint from list, choose "Go To."
4. Follow route: Select route, choose "Navigate Route."
5. Create track: Automatic track log can be saved and reversed.
6. Set alarms: Configure anchor drag, arrival, and off-course alarms.

WARNING! Navigation aids are supplements only. Always maintain proper lookout and use official charts.

Chartplotter Functions

Utilize built-in mapping capabilities.

1. Chart display: Zoom in/out with rocker. Pan by moving cursor.
2. Chart details: Adjust detail level in Chart Setup menu.
3. Chart orientation: Choose North Up, Course Up, or Head Up.
4. Tide and current data: Access from chart by selecting tide station.
5. Marine services: View marinas, fuel stations, and other points of interest.
6. Man overboard (MOB): Press and hold ENTER to mark MOB position and initiate navigation back.

Care & Cleaning

Disconnect power before cleaning. Use fresh water and mild soap for exterior. Wipe display with soft, damp cloth.

CAUTION! Do not use harsh chemicals, abrasives, or high-pressure spray. Avoid direct sunlight 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) not cause harmful interference, (2) accept any interference received. Contains transmitter module FCC ID: IPH-00217. For EU: Complies with R&TTE Directive 1999/5/EC. Copyright © Garmin Ltd. or its subsidiaries. BlueChart and GPSMAP are trademarks of Garmin Ltd. For support, visit www.garmin.com or contact Garmin Product Support.

Troubleshooting

Reset: System > Reset > Reset Settings (or Master Reset for full clear).

Service: Contact Garmin Product Support or authorized service center.