The Garmin GPSMAP 296 is a portable aviation GPS with a large, sunlight-readable color display, detailed terrain mapping, Jeppesen database compatibility, moving map display, and extensive navigation features for both VFR and IFR flight planning. It includes a built-in worldwide basemap, supports external data cards, offers terrain and obstacle alerts, and provides weather data interface capability. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: Large color TFT display, internal GPS antenna, external antenna connector, data card slot, serial and power ports, dedicated aviation buttons.
| Feature | Description |
|---|---|
| Display | Sunlight-readable 256-color TFT, 480x320 pixels |
| GPS Receiver | 12 parallel channel, WAAS enabled |
| Database | Jeppesen NavData compatible, worldwide basemap |
| Terrain Mapping | Built-in terrain database with alerting |
| Moving Map | Track-up or North-up orientation |
| Flight Planning | Direct-to, flight plan creation, nearest airport info |
| External Interfaces | Serial port for weather/data, power input |
| Data Card Slot | Supports Garmin data cards for additional maps/data |
| Audio Alerts | Terrain, obstacle, and navigation alerts |
| Power Source | Internal battery or external 10-32V DC |
Unpack and inspect contents. Choose mounting location in aircraft cockpit.
WARNING! Installation should be performed by qualified personnel. Ensure mounting does not obstruct aircraft controls or visibility.
Power on unit; follow initial configuration prompts.
CAUTION! Do not rely solely on GPS for navigation. Always have backup navigation methods.
Access menus via dedicated buttons and rotary knob. Front Panel: POWER, ENTER, PAGE, MENU, rotary knob with press-to-enter.
Dedicated Keys: Direct-to, Nearest, FPL (flight plan), WPT (waypoint), NAV, COM, MSG.
Map Display: Zoom in/out, pan, change orientation (Track up/North up). Navigation: Create/edit flight plans, activate leg, suspend navigation. System: Set up units, time, display brightness, backlight timeout, interface settings. Alerts: Configure terrain, obstacle, and airspace alerts. Database: Select active database, check data card info.
External Power: 10-32V DC input. Serial: RS-232 for weather/data. Antenna: External GPS antenna connector.
Tip: Use Garmin-approved cables and connectors for reliable operation.
Supports VFR and IFR navigation with detailed waypoint database.
WARNING! GPS is supplemental navigation aid. Always verify information with official charts and ATC instructions.
Jeppesen NavData: Subscription required for current aviation data. Updates via data card.
Note: Database expires; using expired data for navigation is not recommended.
Turn off and disconnect power before cleaning. Use soft, slightly damp cloth; avoid solvents.
CAUTION! Do not submerge unit. Keep connectors dry. Avoid extreme temperatures.
FCC Part 15: Class B digital device. Complies with FAA TSO-C146 for standalone GPS navigation. Copyright © Garmin Ltd. or its subsidiaries. Jeppesen data © Jeppesen Sanderson, Inc. For support, visit www.garmin.com or contact Garmin Aviation Product Support. Warranty: One-year limited warranty.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power | Battery/connections | Check external power connection; charge internal battery; verify fuse. |
| Poor GPS reception | Obstruction/antenna | Ensure clear view of sky; connect external antenna; check for interference. |
| Database not loading | Card/damage | Ensure data card is properly inserted; try different card; check for corrosion. |
| Display issues | Settings/backlight | Adjust contrast/brightness; check backlight setting; ensure not in sunlight washout. |
| Serial communication failure | Cable/settings | Verify cable connections; check baud rate and protocol settings in Interface menu. |
Reset: Hold PAGE and POWER while powering on for master reset (erases user data).
Service: Contact Garmin Aviation Product Support; www.garmin.com/aviation