Garmin GPS Watch 405 Manual

The Garmin GPS Watch 405 is a high-performance GPS-enabled sports watch designed for runners and athletes. It features GPS tracking, heart rate monitoring, wireless data transfer, customizable data screens, training features, and ANT+ technology compatibility. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Initial Setup 3. Specifications 4. Controls and Navigation 5. GPS and Tracking 6. Heart Rate Monitoring 7. Training Features 8. Data Transfer and Connectivity 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: GPS receiver, touch bezel, heart rate monitor (optional), USB ANT+ stick, charging cable, and wrist strap.

Feature	Description
GPS Receiver	For accurate location tracking and distance measurement
Touch Bezel	For easy navigation through menus and settings
Heart Rate Monitor	Wireless chest strap for real-time heart rate data
Wireless Data Transfer	ANT+ technology for syncing data to computer
Water Resistance	Rated to 50 meters (5 ATM)
Battery Life	Up to 2 weeks in watch mode; up to 8 hours in GPS mode
Training Features	Virtual Partner, intervals, auto lap, and pace alerts
Data Fields	Customizable screens for time, distance, pace, heart rate, etc.
History	Stores up to 1000 laps and multiple activities
Charging Cable	USB cable for charging and data transfer

Initial Setup

Unpack and inspect contents. Charge the watch before first use.

Charge the watch: Connect the charging cable to USB port and attach to watch contacts.
Pair with heart rate monitor: Wear the chest strap, go to Settings > Sensors > Add New.
Set up user profile: Enter age, weight, gender for accurate calorie calculation.
Acquire GPS signal: Go outdoors with clear sky view, select "Start" to acquire satellites.

WARNING! Ensure watch is fully charged before extended use. Do not expose to extreme temperatures.

Specifications

Display: High-resolution, sunlight-readable LCD.
GPS: High-sensitivity GPS receiver with HotFix satellite prediction.
Battery: Rechargeable lithium-ion battery.
Water Resistance: 50 meters (5 ATM).
Wireless Connectivity: ANT+ for heart rate monitor and data transfer.
Memory: Stores history, courses, and workouts.
Compatibility: Garmin Connect, Training Center software.
Dimensions: 1.9" x 1.9" x 0.6" (49mm x 49mm x 15mm).
Weight: 2.2 oz (62g).

Controls and Navigation

Navigate using the touch bezel: Lightly touch and rotate to scroll; press to select.

Buttons: START/STOP (begin/end activity), LAP/RESET (mark lap or reset), BACK (return to previous screen).

Menu Structure: Time/Date, Settings (System, GPS, Sensors), Training, History, Navigation. Customize data screens via Settings > Data Fields. Adjust backlight timeout and sensitivity via System settings.

GPS and Tracking

For accurate tracking, acquire GPS signal before starting activity.

Go outdoors with clear view of sky.
From time screen, press START to enter GPS mode.
Wait for "GPS Ready" message (typically 30-60 seconds).
Press START again to begin tracking; press LAP to mark laps.
Press STOP to pause; save or discard activity when finished.

Tip: Use "GPS On" mode for training; switch to "GPS Off" to conserve battery when not tracking.

Heart Rate Monitoring

Pair with ANT+ heart rate monitor chest strap.

Moisten strap electrodes; wear snugly below chest muscles.
On watch, go to Settings > Sensors > Add New.
Select "Heart Rate Monitor" and follow prompts to pair.
View real-time heart rate data during activity.
Set heart rate zones and alerts via Training menu.

WARNING! Clean strap after each use; replace battery when low. Not for medical diagnosis.

Training Features

Enhance workouts with built-in training tools.

Virtual Partner: Set target pace and race against virtual competitor.
Intervals: Create custom work/rest interval workouts.
Auto Lap: Automatically mark laps at set distance or time.
Pace Alerts: Get alerts if pace falls outside target range.
Courses: Follow previously recorded routes.
Workouts: Download structured workouts from Garmin Connect.

CAUTION! Always train within your physical limits; consult physician before starting new program.

Data Transfer and Connectivity

Transfer data wirelessly using ANT+ USB stick.

Install Garmin Connect or Training Center software on computer.
Plug ANT+ USB stick into computer USB port.
Place watch within 3 meters of USB stick.
On watch, go to History > Transfer Data.
Data syncs automatically; view on computer software.

Tip: Keep watch and USB stick within range during transfer; ensure software is up to date.

Care & Maintenance

Clean with fresh water after exposure to sweat, salt water, or chlorine. Use soft cloth; avoid chemicals.

CAUTION! Do not charge when wet; ensure contacts are dry. Avoid extreme temperatures and impacts.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. CE certified for European market. Copyright © Garmin Ltd. or its subsidiaries. For support, visit www.garmin.com/support or contact 1-800-800-1020.

Troubleshooting

Symptom	Possible Cause	Corrective Action
GPS not acquiring signal	Poor location/battery	Move to open area; ensure GPS is enabled; charge battery.
Heart rate not displaying	Pairing/battery	Re-pair sensor; moisten strap; replace chest strap battery.
Watch not charging	Connections	Clean charging contacts; try different USB port; ensure cable is secure.
Data not transferring	Software/range	Update software; ensure watch is within 3m of USB stick; restart both devices.
Touch bezel unresponsive	Moisture/settings	Dry bezel; adjust sensitivity in Settings > System > Touch.

Reset: Hold LAP + BACK for 10 seconds to soft reset; for factory reset, go to Settings > System > Reset.

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