Lowrance HDS Gen3 Operator Manual
![Lowrance HDS Gen3 Fish Finder manual cover](/images/DuDtlWBnuqwdDyYvdMIqBECt/thumbs/thumb175x175.webp)
To perform a software update, download the latest update from the Lowrance website onto a microSD card. Insert the card into the HDS Gen3 unit and follow the on-screen instructions to complete the update.
Check the power connections and ensure the unit is receiving adequate power. If the issue persists, perform a soft reset by holding down the Pages button and powering on the unit.
To calibrate the sonar, access the Sonar menu, select 'Sonar Setup', and follow the on-screen instructions to calibrate sensitivity, noise rejection, and other sonar settings.
Use a soft, lint-free cloth slightly dampened with water or a screen cleaner. Avoid using abrasive materials or chemical cleaners that may damage the screen.
To save a waypoint, press the 'Mark' button on the unit while in the desired location. You can edit the waypoint name and details by accessing it through the Waypoints menu.
Ensure the GPS antenna has a clear view of the sky and is not obstructed by any structures. Check for any firmware updates that might improve GPS performance.
Yes, the HDS Gen3 supports networking via Ethernet and NMEA 2000, allowing you to share data with other compatible Lowrance devices.
Check the transducer installation and ensure it is mounted correctly. Verify that the correct transducer type is selected in the Sonar settings.
To perform a factory reset, go to the System menu, select 'Settings', then 'System', and choose 'Restore Defaults'. Confirm the action when prompted.
Download the updated chart maps to a microSD card from the Lowrance website or a map provider. Insert the card into the unit and follow the instructions to upload the new maps.