The Garmin GPSMAP 192C is a color marine GPS chartplotter featuring a high-resolution 256-color display, built-in worldwide basemap, WAAS-enabled GPS receiver, waterproof design (IPX7), NMEA 0183 interface, external antenna capability, track plotting, waypoint management, and detailed marine navigation functions. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: Color LCD display, Power/Data cable, External antenna connector, Waterproof housing, Front panel buttons, NMEA 0183 interface.
| Feature | Description |
|---|---|
| Display | High-resolution 256-color LCD, sunlight readable |
| GPS Receiver | 12-channel WAAS-enabled, fast acquisition |
| Basemap | Built-in worldwide marine basemap |
| Waterproof Rating | IPX7 (submersible 1 meter for 30 minutes) |
| Power Input | 10-40 VDC, marine power compatible |
| NMEA 0183 | Serial interface for autopilot/depth sounder |
| External Antenna | MCX connector for optional GA 29 antenna |
| Waypoints | 3000 user waypoints with name/symbol |
| Routes | 50 reversible routes with up to 50 points each |
| Tracks | 10 saved tracks, 3000 points each |
Unpack and inspect contents. Choose mounting location with clear GPS view.
WARNING! Ensure power is off during installation. Drill holes carefully to avoid damaging vessel structure.
Power on unit; follow initial prompts.
CAUTION! Keep magnetic compasses away during installation to avoid interference.
Front Panel: POWER, PAGE, ENTER/MARK, ROCKER key (up/down/left/right), QUIT, ZOOM IN/OUT.
Menu Navigation: Use PAGE to cycle screens; ENTER to select; ROCKER to navigate; QUIT to exit.
Main Pages: Map, Highway, Navigation Data, Active Route, Satellite Status, Main Menu.
Setup Menu: System (contrast, backlight, beeps), Units, Time, Alarms, NMEA, Interface, System Info.
Map Setup: Detail, Orientation (North Up/Course Up), Points, Tracks, Data Fields.
NMEA 0183: Connect to autopilot, depth sounder, VHF radio for position data.
Tip: Use marine-grade connectors and seal against moisture.
Basic navigation: Follow on-screen map and data.
WARNING! GPS is aid to navigation only; always use traditional methods and charts.
Create waypoint: Press ENTER/MARK at location; edit name/symbol/save.
Edit waypoint: Menu > Waypoints > Select > Edit.
Create route: Menu > Routes > New > Add points from waypoints list.
Navigate route: Select route > Activate.
Reverse route: Menu > Routes > Select > Reverse.
Delete waypoints/routes: Select item > Menu > Delete.
Clean with fresh water and mild soap; use soft cloth. Avoid solvents, abrasives.
Store in dry place when not in use. Check cable connections periodically for corrosion.
CAUTION! Do not use high-pressure water spray. Ensure power is disconnected before cleaning connectors.
FCC Part 15: Class B digital device; complies with limits for marine use. CE compliant. Contains GPS technology subject to export regulations. Copyright © Garmin Ltd. For support, visit www.garmin.com or contact Garmin Product Support.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power | Power connection | Check fuse (2A); verify 10-40 VDC at cable; check polarity. |
| Poor GPS reception | Antenna obstruction | Ensure clear view of sky; check antenna connection; try external antenna. |
| Display blank/dim | Backlight/contrast | Adjust contrast/backlight in Setup; check power voltage. |
| NMEA data not received | Wiring/configuration | Verify wiring; enable correct NMEA sentences in Interface menu. |
| Unit freezes | Software issue | Disconnect power for 30 seconds; reconnect. If persistent, contact support. |
Reset: Hold PAGE + POWER during startup for master reset (erases user data).
Service: Contact Garmin Product Support or authorized marine dealer.