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Kristi PierceAug 14, 2025
What to do if no GPS position information is displayed on my Comar Systems CSB200?
- MMs. Katherine Alvarez MDAug 14, 2025
If no GPS position information is being displayed (or the graph shows only blue bars), it's possible the unit hasn't acquired a GPS fix. To resolve this, check the GPS antenna connections and power cycle the AIS unit.