GPS/Chartplotter Calibration and Care

🛠 Tools & Materials Needed

Step-by-Step Instructions

1. 1

   Check manufacturer website for firmware updates and install per their instructions.

2. 2

   Clean the screen with approved screen cleaner and soft microfiber cloth.

3. 3

   Verify chart card or internal charts are up to date (annual updates recommended).

4. 4

   Check GPS antenna connections: clean with contact cleaner if corroded.

5. 5

   Test waypoint entry by creating a test waypoint at your current location.

6. 6

   Verify MOB (Man Overboard) button function by testing in a safe location.

7. 7

   Confirm the unit displays correct time and position compared to phone GPS.

8. 8

   Check AIS integration if equipped: verify targets are showing correctly.

9. 9

   Test depth sounder calibration against a known depth measurement.

10. 10

    Back up all waypoints, routes, and tracks to USB drive or cloud service.