Garmin GPS 111 Pilot Manual

The Garmin GPS 111 is a dedicated aviation GPS receiver designed for pilots, offering reliable navigation, flight planning, and situational awareness. It features a sunlight-readable display, intuitive interface, comprehensive aviation databases, and robust connectivity options. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Aviation GPS receiver, Mounting bracket, Power/data cable, Remote antenna (if applicable), Quick start guide.

Installation

Unpack and inspect contents. Ensure aircraft power is OFF during installation.

1. Mount unit: Secure mounting bracket to aircraft panel using provided hardware.
2. Connect antenna: Attach external GPS antenna to designated connector; ensure clear sky view.
3. Connect power: Route power/data cable to aircraft power bus (10-32V DC).
4. Connect avionics: Use RS-232 serial cables to interface with compatible devices (optional).
5. Secure cables: Use tie-wraps to secure cables away from moving parts or heat sources.

WARNING! Installation should be performed by a qualified avionics technician. Ensure all connections are secure and comply with aircraft regulations.

First-Time Setup

Power on unit; follow on-screen prompts.

1. Initialization: Allow GPS to acquire satellite signals (may take several minutes).
2. Set preferences: Configure units (nm/km, ft/m), time format, and display brightness.
3. Load databases: Verify database currency; update via data card or PC if needed.
4. Calibrate sensors: If equipped, follow on-screen instructions for altitude/pressure calibration.
5. Test functions: Verify navigation display, audio alerts, and external connections.

CAUTION! Do not rely solely on GPS for navigation. Always have backup navigation methods available.

Specifications

• Display: Sunlight-readable LCD, adjustable backlight.
• GPS Receiver: GPS/GLONASS, 12-channel.
• Databases: Aviation (airports, navaids, airspace, obstacles).
• Power: 10-32V DC, typical current draw 1.5A.
• Operating Temp: -15°C to +55°C.
• Interfaces: RS-232 serial (2 ports), antenna input, audio output.
• Dimensions: Standard 3.125-inch panel cutout.
• Weight: Approximately 1.5 lbs (0.68 kg).
• Compliance: TSO-C146a, DO-229D (if applicable).

Controls and Settings

Access menus via front panel buttons or optional remote keypad.

Front Panel: POWER, ENT (Enter), CLR (Clear), FPL (Flight Plan), NRST (Nearest), MENU, rotary knob for cursor control.

Navigation Pages: Map, Waypoint Information, Active Flight Plan, Nearest Airports/Navaids.

Settings Menu: System (brightness, contrast, backlight), Navigation (CDI scale, desired track), Units (distance, altitude, fuel), Alerts (terrain, airspace, proximity).

Flight Plan Menu: Create, edit, activate, reverse flight plans; insert/delete waypoints.

Connecting Devices

External connections for enhanced functionality.

1. Traffic receiver: Connect compatible ADS-B or TIS receiver via serial port.
2. Audio panel: Connect audio output to aircraft intercom for audible alerts.
3. External display: Output navigation data to MFD or secondary display (if supported).
4. Data card: Use SD card for database updates and flight log storage.

Tip: Refer to aircraft avionics manual for proper interface configurations and pin assignments.

Flight Planning & Navigation

Create and execute flight plans with waypoint navigation.

1. Create flight plan: Press FPL, select "New," enter waypoints by identifier or from database.
2. Activate flight plan: Highlight plan, press ENT, select "Activate."
3. Direct-to navigation: Enter waypoint identifier, press ENT to initiate direct navigation.
4. Nearest functions: Press NRST to list nearest airports, navaids, or intersections.
5. Altitude awareness: Set altitude alert thresholds for terrain and airspace awareness.
6. Fuel planning: Enter fuel flow and quantity for estimated time and fuel remaining.
7. Airspace alerts: Enable alerts for controlled airspace (Class B, C, D, etc.).

WARNING! GPS navigation is supplemental. Always verify position using traditional navigation methods and current charts.

Safety Features

Terrain Awareness: Visual and audible alerts for proximity to terrain (if equipped). Proximity Alerts: Warn of nearby airspace or special use airspace. System Alerts: Notify of GPS integrity loss, database expiration, or system faults.

Care & Cleaning

Power off and disconnect from aircraft power before cleaning. Use soft, dry cloth for display and casing. For stubborn smudges, lightly dampen cloth with water only.

CAUTION! Do not use solvents, ammonia-based cleaners, or abrasive materials. Avoid liquids near connectors.

Regulatory Information

FCC Compliance: This device complies with Part 15 of FCC rules. Aviation Compliance: Meets applicable TSO standards for supplemental navigation. Copyright © Garmin Ltd. or its subsidiaries. For support, visit www.garmin.com/aviation or contact Garmin Aviation Support.

Troubleshooting

Reset: System > Reset Settings (note: may erase user waypoints and preferences).

Service: Contact Garmin Aviation Support or authorized service center.