Fishfinder 340C Owner’s Manual InstAllIng the fIshfInder 340c > selectIng A locAtIon for the fIshfInderInstallInG the fIshfInder 340cTo ensure the successful operation of your Fishfinder 340C, youmust properly install the Fishfinder and all of its related parts.To install and use your Fishfinder, you must do thefollowing:1. Select a proper location for the Fishfinder.2. Mount the Fishfinder.3. Install your transducer.4. Connect to your power source.5. Test the installation.Each of these steps is described in detail in the following sections.Selecting a Location for the FishfinderConsider the following when you select an installation location:• Provides optimal viewing as you operate your vessel.• Allows easy access to the unit’s keypad.• Is strong enough to support the weight of the Fishfinder andprotect it from excessive vibration or shock.• Allows room for the routing and connection of the power/data and transducer cables. There should be at least a 3-inch(8 cm) clearance behind the case.DO NOT mount the unit in an area that is exposed to extremetemperature conditions.NOTE: The temperature range for the Fishfinder 340C is 5°Fto 131°F (-15°C to 55°C). Extended exposure to temperaturesexceeding this range (in storage or operating conditions) maycause failure of the LCD screen. This type of failure and relatedconsequences are NOT covered by the manufacturer’s limitedwarranty.To get the best possible performance from your Fishfinder 340C:• Read the instructions first, and then follow the instructions toinstall the unit.• Gather the appropriate fasteners and tools.• Verify that all cables can reach the unit mounting locationand the transducer.• Wear safety goggles and a dust mask when drilling, cutting,or sanding.If you experience difficulty installing the unit, contact Garminproduct Support or contact a professional installer.