Garmin GPSMAP 4208 Manual

The Garmin GPSMAP 4208 is a high-performance 8.4-inch marine chartplotter featuring a sunlight-readable color display, built-in worldwide basemap, preloaded BlueChart g2 coastal charts, support for radar, sonar, and autopilot integration, NMEA 0183/2000 connectivity, waterproof design (IPX7), and intuitive touchscreen interface. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 8.4-inch color TFT display, Power/data cable, Mounting hardware, Protective cover, NMEA 2000 connector, Antenna input, SD card slot.

Installation

Unpack and inspect contents. Choose appropriate mounting location.

1. Select Mounting Location: Choose a flat, sturdy surface with clear view and easy access.
2. Mount the Bracket: Use provided hardware to secure bracket to surface.
3. Connect Power: Route power cable to 10-32V DC source; connect red to positive, black to negative.
4. Connect NMEA Network: Attach NMEA 2000 cable to backbone or connect NMEA 0183 wires per diagram.
5. Attach Unit: Secure chartplotter to bracket and tighten locking mechanism.

WARNING! Ensure all power is OFF during installation. Route cables away from moving parts and heat sources.

First-Time Setup

Apply power; follow initial setup prompts on screen.

1. Language/Units: Select language and preferred units (nautical miles, knots, etc.).
2. GPS Setup: Allow unit to acquire satellite signal (may take several minutes first time).
3. Chart Orientation: Select North Up or Course Up.
4. Configure Alarms: Set anchor drag, shallow water, and arrival alarms as needed.
5. Network Setup: Detect connected NMEA 2000 devices (sonar, autopilot, etc.).

CAUTION! Perform initial setup in open area with clear view of sky for best GPS reception.

Specifications

• Display Size: 8.4 inches diagonal.
• Resolution: 800 x 600 pixels, VGA.
• Waterproof: IPX7 standard.
• Power: 10-32 V DC, 2.5 A max.
• GPS Receiver: High-sensitivity, WAAS/EGNOS capable.
• Charts: Preloaded BlueChart g2; supports BlueChart g2 Vision, LakeVü g2.
• Memory: Internal; expandable via SD card (up to 4 GB).
• Interface: Touchscreen with tactile feedback.
• Communication: NMEA 0183, NMEA 2000, proprietary Garmin.
• Operating Temp: -15°C to 55°C (5°F to 131°F).

Controls and Settings

Primary control via touchscreen. Physical buttons: POWER, VOLUME, BACKLIGHT.

Touchscreen Menus: HOME (access main functions), MENU (context-sensitive options), ZOOM (+/-), PAGE (cycle through screens).

Settings Categories: System (language, units, backlight), Navigation (routing preferences, alarms), Communications (NMEA setup, sensor configuration), Chart (detail, appearance, shading), Tones (alarm volumes).

Connecting Devices

NMEA 0183: Connect to compatible devices (VHF, autopilot) using designated wires. NMEA 2000: Connect to backbone via Micro-C connector. Radar: Connect compatible Garmin radar via network cable. Sonar: Connect via NMEA 2000 or dedicated sonar module.

1. Power OFF all devices before making connections.
2. Use appropriate cables and connectors for each device type.
3. Access Network settings to configure and detect connected devices.

Tip: Label all cables during installation for easier identification later.

Using Navigation Features

Supports waypoint navigation, routes, tracks, and Go To functionality.

1. Create Waypoint: Touch and hold on chart to mark location; enter name and symbol.
2. Navigate to Waypoint: Select waypoint from list, touch "Go To".
3. Create Route: Touch "Route" > "New", touch points on chart in sequence.
4. Follow Route: Select route, touch "Navigate".
5. Track Recording: Automatically records track; can save and review later.
6. Man Overboard (MOB): Press and hold PAGE button to mark MOB position and begin navigation back.
7. Arrival Alarms: Set alarm to sound when within specified distance of waypoint.

WARNING! Always verify chart data and use navigation aids as primary reference. This device is an aid only.

Chartplotting & Waypoints

Chart Display: Adjust detail level, depth shading, and color scheme. Waypoint Management: Organize by groups, import/export via SD card. Routes: Create, reverse, edit, and save multiple routes. Tracks: View, save, and navigate saved tracks.

Care & Cleaning

Power off and disconnect from power source before cleaning. Use soft, damp cloth with mild soap if needed. Do not use abrasive cleaners or solvents.

CAUTION! Do not spray liquids directly on unit. Ensure connectors are dry before reconnecting power.

Regulatory Information

FCC Compliance: This device complies with part 15 of the FCC Rules. Operation is subject to conditions that device does not cause harmful interference. CE Compliance: Meets applicable EU directives. Copyright © Garmin Ltd. or its subsidiaries. For support, visit www.garmin.com/support or contact Garmin Product Support.

Troubleshooting

Reset: System > Reset > Restore Defaults (note: erases user data).

Service: Contact Garmin Product Support; www.garmin.com/support