Lowrance HDS Gen3 Polaris Quick Start Guide
![Lowrance HDS Gen3 Polaris Fish Finder manual cover](/images/aXeKySfAnHFWXNKRtZHWurNz/thumbs/thumb175x175.webp)
To update the software, download the latest update from Lowrance's official website onto an SD card. Insert the SD card into the HDS Gen3 unit and power it on. Follow on-screen instructions to complete the update process.
Check the power source connections and ensure that the battery is charged. Inspect the power cable for any damage. If the issue persists, try a different power source or consult a professional technician.
To perform a factory reset, press the 'Pages' button, select 'Settings', then 'System', and choose 'Restore Defaults'. Confirm the action to reset the unit to its original factory settings.
Use a soft, lint-free cloth slightly dampened with water or a mild screen cleaner. Avoid using harsh chemicals or abrasive materials that might damage the screen.
To calibrate the temperature sensor, navigate to 'Settings', select 'Sonar', and then 'Installation'. Adjust the temperature offset to match the known temperature for accuracy.
Ensure that the transducer is properly mounted and free from obstructions. Check the settings for depth range and sensitivity, and adjust them if necessary.
Press the 'Waypoint' button to save your current location. To view waypoints, press 'Pages', select 'Chart', and use the cursor to navigate to saved waypoints on the map.
GPS signal loss can be caused by obstructions such as buildings or heavy foliage, antenna issues, or software glitches. Ensure the GPS antenna is unobstructed and check for software updates.
Navigate to 'Settings', select 'Display', and adjust the brightness slider to your preferred level. Consider enabling the night mode for low-light conditions.
Check the power connection for stability and ensure the battery is adequately charged. A software update might also resolve the issue. If the problem continues, seek technical support.