Garmin GPS c340 Manual

The Garmin GPS c340 is a portable automotive navigation system featuring a 3.5-inch color touchscreen, preloaded street maps of North America, turn-by-turn voice guidance, points of interest (POI) database, automatic route calculation, and an SD card slot for additional maps. Powered by vehicle power adapter or internal battery. 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 to Computer 7. Basic Navigation 8. Advanced Features 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Touchscreen display, Vehicle power adapter, Dashboard mount, USB cable, SD card slot, Internal speaker, Power button.

Feature	Description
Touchscreen Display	3.5-inch color TFT for map viewing and input
Preloaded Maps	Detailed street maps of North America
Voice Guidance	Turn-by-turn spoken directions
Points of Interest	Database of restaurants, hotels, gas stations, etc.
SD Card Slot	For loading additional maps or data
Vehicle Power Adapter	Powers unit and charges internal battery
Dashboard Mount	Secure mounting with suction cup
USB Port	For connecting to computer for updates
Power Button	Turns unit on/off
Volume Controls	Adjusts voice and system volume

Installation

Unpack and inspect contents. Install in vehicle safely.

Mount device: Clean dashboard area, attach suction cup mount securely.
Connect power: Plug vehicle adapter into 12V power port (cigarette lighter).
Position device: Attach GPS unit to mount; adjust for clear view.
Power on: Press POWER button to start.

WARNING! Do not mount in airbag deployment zone. Secure cables to avoid distraction while driving.

First-Time Setup

Power on GPS; follow on-screen prompts.

Initial calibration: Touch screen as prompted to calibrate touch sensitivity.
Set language: Select preferred language (default ENGLISH).
Set time zone: Choose correct time zone for accurate time display.
Acquire satellites: Place unit in clear view of sky; wait for satellite lock.
Set home location: Enter your home address for quick navigation.

CAUTION! Perform setup while vehicle is parked. Do not operate while driving.

Specifications

Display: 3.5-inch color TFT touchscreen.
GPS Receiver: High-sensitivity WAAS-enabled receiver.
Memory: Internal flash memory; expandable via SD card.
Battery: Rechargeable lithium-ion (up to 8 hours use).
Maps: Preloaded City Navigator NT street maps.
Voice: Text-to-speech for street names.
Interface: USB 2.0 for data transfer.
Power Input: 12V DC vehicle adapter.
Operating Temp: -4° to 140° F (-20° to 60° C).

Controls and Settings

Access menus via touchscreen. Physical buttons: POWER, Volume up/down.

Touchscreen: Where To?, View Map, Volume, Main Menu, Back.

Navigation Settings: Route preferences (Fastest Time, Shortest Distance, Avoidances). Display Settings: Brightness, Color Mode (Day/Night). Sound Settings: Voice volume, Guidance prompts. System Settings: Units (Miles/Kilometers), Time Format, Language. Map Settings: Detail level, POI display.

Connecting to Computer

Use USB cable to update software or load custom points of interest.

Install Garmin software from included CD onto computer.
Connect GPS to computer using USB cable.
Follow on-screen instructions to register device and check for updates.
Safely eject device using computer's removal tool before disconnecting.

Tip: Keep unit software updated for best performance and latest maps.

Basic Navigation

Follow these steps for route guidance.

Select destination: Tap "Where To?" > choose from Address, Points of Interest, Recent, etc.
Confirm route: Review route summary; tap "Go!" to start navigation.
Follow guidance: Voice and on-screen prompts guide each turn.
Detour: Tap "Detour" to recalculate route around traffic or road closures.
Stop navigation: Tap "Stop Navigation" when destination reached.

WARNING! Always pay attention to road conditions. GPS is a navigation aid only.

Advanced Features

Custom Points of Interest: Create and upload via computer. Route Planning: Plan multi-stop trips. Track Log: Record and save traveled routes. Simulator Mode: Practice navigation without GPS signal.

Care & Maintenance

Clean screen with soft, dry cloth. Store in cool, dry place when not in use. Avoid extreme temperatures.

CAUTION! Do not use harsh chemicals or abrasive materials on screen. Keep away from liquids.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. Copyright © Garmin Ltd. or its subsidiaries. For support, visit www.garmin.com or contact 1-800-800-1020. Maps provided by NAVTEQ.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power connection	Check vehicle adapter connection; ensure power port is active.
Poor GPS signal	Obstruction	Move to clear view of sky; avoid metal roofs or tinted windows.
Touchscreen not responding	Calibration needed	Recalibrate screen in System Settings.
Incorrect route	Settings/Map data	Check route preferences; ensure maps are current.
No voice guidance	Volume settings	Check volume settings; ensure not muted.

Reset: Hold POWER for 10 seconds to perform soft reset.

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