• Press RANGE twice to open the range menu, which allows you to automatically adjust the range. • Press to scroll left and right and to highlight options. • Press to scroll up and down and to highlight options. Fishfinder 350C Owner’s Manual...
Water speed (if a water-speed-capable transducer is connected) ➌ Suspended targets ➍ Zoomed depth range ➊ Transducer frequency ➎ Zoom window ➋ Depth as the sonar view scrolls from right to left ➏ Sonar depth range ➌ Fishfinder 350C Owner’s Manual...
Increasing the scale allows you to view more variations in depth or temperature. Decreasing the scale allows you to view more detail. When the scale is set to Auto, the scale automatically adjusts to display all the data within the selected duration. Fishfinder 350C Owner’s Manual...
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Adjusting the Gain Automatically Select DEPTH. Press GAIN twice. Select to select the depth at which the sonar view (the span) will be TIP: You can also select Menu > Gain. shown on the sonar. Select an option: Fishfinder 350C Owner’s Manual...
Water Temp: Sets an alarm to sound when the water temperature varies more than ± 2°F (±.1.1°C) from the entered temperature. NOTE: The device must be connected to a temperature-capable transducer to show the water temperature. Fishfinder 350C Owner’s Manual...
Hiding surface noise helps reduce clutter. Odometer: Shows or hides the odometer on the sonar views, when available. System Settings Select MENU > Setup > System. Language: Sets the language for the text. Fishfinder 350C Owner’s Manual...
(keel clearance), measure the distance from the transducer location to the keel of the boat. Enter this Subtract the water temperature measured in step 1 from the water temperature ➋ value as a positive number. measured in step 2. Fishfinder 350C Owner’s Manual...
Select MENU > Setup > System > System Information > Factory Settings > NOTICE Yes. Avoid chemical cleaners and solvents that can damage plastic components. Clean the outer casing (not the screen) of the device using a cloth dampened with a mild detergent solution. Wipe the device dry. Fishfinder 350C Owner’s Manual...
• Do not remove or attempt to remove the non-user-replaceable battery. Garmin Ltd. and its subsidiaries (“Garmin”) grant you a limited license to use the • When disposing of the unit, take it to a professional service, such as a waste software embedded in this device (the “Software”) in binary executable form in the...
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Write the tracking number clearly on nicks and dents; (ii) consumable parts, such as batteries, unless product damage the outside of the package. Send the device, freight charges prepaid, to any Garmin has occurred due to a defect in materials or workmanship; (iii) damage caused warranty service station.