Garmin GPS Watch Forerunner 405 Manual

The Garmin Forerunner 405 is a GPS-enabled sports watch designed for runners and athletes, featuring ANT+ wireless technology, heart rate monitoring, customizable data screens, training features, and connectivity to Garmin Connect for detailed activity analysis. Below are key sections for safety, features, setup, operation, and troubleshooting.

Features at a Glance

Key components: Touch bezel interface, GPS receiver, Heart rate monitor (ANT+), USB ANT stick, Charging cradle, Customizable watch faces.

Installation & Setup

Unpack and inspect contents. Charge device before first use.

1. Charge watch: Place in charging cradle, connect to USB port or AC adapter.
2. Install Garmin Connect: Insert ANT stick into computer USB port, install software.
3. Pair heart rate monitor: Wear chest strap, go to Settings > Accessories > Heart Rate.
4. Acquire GPS signal: Go outdoors with clear sky view, select Start > Wait for GPS.

WARNING! Do not expose to extreme temperatures. Ensure proper fit of heart rate strap.

First-Time Use

Power on watch; follow on-screen prompts.

1. Set time/date: Touch bezel to navigate to Settings > System > Time.
2. Configure user profile: Enter weight, age, gender for calorie calculations.
3. Customize data screens: During activity, press and hold to add/remove fields.
4. Start activity: Press Start/Stop to begin tracking; press again to pause.

CAUTION! Ensure GPS signal is acquired before starting activity for accurate tracking.

Specifications

• Display: 1.3-inch diameter, 128 x 128 pixels.
• GPS: High-sensitivity receiver.
• Wireless: ANT+ for heart rate and data transfer.
• Battery: Rechargeable lithium-ion.
• Water Resistance: IPX7 (withstands rain/sweat).
• Memory: Stores history and workouts.
• Connectivity: USB via ANT stick.
• Operating Temp: -4° to 140°F (-20° to 60°C).
• Weight: 2.08 oz (59 g).

Controls and Settings

Navigate using touch bezel: Touch top/bottom/left/right edges. Buttons: Start/Stop (begin/end activity), Lap/Reset (mark lap, reset data).

Menus: Main menu (press and hold bezel), Settings (system, accessories, display). Training: Virtual Partner, intervals, auto lap. Alerts: Set for pace, heart rate zones, distance. Display: Backlight timeout, contrast, data screens.

Connecting Devices

Heart rate monitor: Pair via Settings > Accessories. Computer: Use ANT stick with Garmin Connect.

1. Ensure devices are within 3 meters.
2. Enable pairing mode on accessory.
3. Select "Search" in watch menu.
4. Confirm pairing code if prompted.

Tip: Keep ANT stick plugged in during data transfer.

Training Features

Virtual Partner: Set target pace, race against virtual runner. Intervals: Create work/rest intervals. Auto Lap: Automatically mark laps at set distance.

1. Select Training > Workouts.
2. Choose existing or create new.
3. Follow on-screen prompts during activity.
4. Review post-workout summary.

WARNING! Do not rely solely on device for safety; be aware of surroundings.

Data Management

Upload to Garmin Connect: Automatically syncs when ANT stick is connected. View history: On watch, select History > Activities. Delete data: Settings > System > Reset.

Care & Maintenance

Clean with damp cloth; avoid chemicals. Charge regularly. Store in cool, dry place.

CAUTION! Not for swimming or showering; water resistance is for rain/sweat only.

Regulatory Information

FCC ID: IPH-00509. Complies with part 15 of FCC rules. Operation subject to conditions: device must not cause harmful interference. Copyright © Garmin Ltd. For support, visit www.garmin.com or contact 1-800-800-1020.

Troubleshooting

Reset: Settings > System > Reset (clears data).

Service: 1-800-800-1020; www.garmin.com